The bridge can hold an additional weight of 318 kg.
What do you mean by addition?In maths, addition is the process of adding two or more numbers together. the numbers being added are known as addends, while the outcome of the addition process, or the final response, is known as the sum.
Calculating Nevine's family's total weight and deducting it from the bridge's weight limit will allow us to determine how much extra weight the bridge can support.
Total weight of Nevine's family = Nevine's father's weight + Nevine's mother's weight + Nevine's weight
= 82 kg + 61 kg + 39 kg
= 182 kg
Weight limit of the bridge = 500 kg
Additional weight the bridge can hold = Weight limit of the bridge - Total weight of Nevine's family
= 500 kg - 182 kg
= 318 kg
Therefore, the bridge can hold an additional weight of 318 kg.
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Will give brainliest if correct.
Step-by-step explanation: The x-intercept is
the point where a line crosses the x-axis.
So the x-intercept for the line on the graph is (7, 0).
All x-intercepts have a y-coordinate of zero.
The y-intercept is a point where a line crosses the y-axis.
So the y-intercept for the line on the graph is (0, 5).
All y-intercepts have a x-coordinate of zero.
can you help me solve this
Answer:
Step-by-step explanation:
13)
x=93
y=84
yeah 14 confused me
Answer:
As worked out below
Step-by-step explanation:
13) for x use the given equations and set it equal to 96 .. b/c that angle is complementary... well it's the same.. but in fancy math jargon.. sooo
6x+54=96
6x=42
x=7 nice
for y use that 180 is what the two angles add up to
y+96=180
y=84 so I think butterfly got that one right
14) for x use that the two angles together must be 180 b/c the M and N lines are parallel :)
9x+48 + 4x+54 =180
13x+102=180
13x=78
x=6 yay!
for y use that the lines are at right angles so it must be equal to 90
2y+34=90
2y=56
y=28 yay :)
If the function f is given by f(x)=2x2−4, then which of the following represents the value of c such that f(c)=28?
Select one:
A. 0
B. 2
C. 4
D. 8
What is an auditor's evaluation of a sample for attributes when a test of 50 documents results in one exception if the tolerable rate is 6%, the expected population exception rate is 1%, and the allowance for sampling risk is 3%?
Group of answer choices
a) Modify the planned assessed level of control risk because the sample exception rate plus the allowance for sampling risk exceeds the tolerable rate.
b) Modify the assessed level of control risk because the tolerable rate plus the allowance for sampling risk exceeds the expected population exception rate.
c) Accept the sample results as support for the planned assessed level of control risk because the sample exception rate plus the allowance for sampling risk is less than the tolerable rate.
d) Accept the sample results as support for the planned assessed level of control risk because the tolerable rate minus the allowance for sampling risk equals the expected population exception rate.
The correct answer is: a) Modify the planned assessed level of control risk because the sample exception rate plus the allowance for sampling risk exceeds the tolerable rate.
In attribute sampling, the auditor evaluates a sample to assess the control risk associated with a particular attribute or characteristic. In this case, the attribute being tested is the exception rate among the documents.
Given the information provided:
Sample size (n) = 50 documents
Number of exceptions found in the sample = 1
Tolerable rate = 6%
Expected population exception rate = 1%
Allowance for sampling risk = 3%
To evaluate the sample results, we need to consider the sample exception rate plus the allowance for sampling risk and compare it with the tolerable rate.
Sample exception rate = (Number of exceptions found / Sample size) * 100
= (1 / 50) * 100
= 2%
Sample exception rate + Allowance for sampling risk = 2% + 3% = 5%
Since the sample exception rate plus the allowance for sampling risk (5%) exceeds the tolerable rate (6%), the auditor needs to modify the planned assessed level of control risk. This means that the auditor should conclude that the control is not operating effectively at the desired level and may need to adjust their assessment of control risk accordingly.
Therefore, the correct answer is a) Modify the planned assessed level of control risk because the sample exception rate plus the allowance for sampling risk exceeds the tolerable rate.
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a man is now 9 times as old as his daughter. in four years time he'll be five times as old as his daughter. what are their present ages
Answer: The father is 36 right now and the son is 4
Step-by-step explanation: 9x4 is 36 and 36/9=4.
PLEASE HELP ITS DUE SOON, ILL GIVE BRAINLEST
Answer:
363.0449
Step-by-step explanation:
Use the Pythagorean Theorem to solve for the height.
To find a squared, add 13 squared plus 5 squared then find square root.
13.93 is about it.
Then do 13 squared plus 13.93 squared and find the square root.
363.0449
This is about solving proportions with maps, please help me asap! (please and ty!!!)
(Please do NOT answer just for the sake of getting brainly points, thx)
Answer:
18m
Step-by-step explanation:
1cm=2m
9cm=9×2m
9cm=18m
Which of the following represents the total area of the figure?
10.663 in2
24.413 in2
28.448 in2
34.335 in2
TheThe figure that represents the total area of the figure is: B. 24.413 in².
How to find the total area?Total area = 1/2 × 3.3×3.15 + 4.6×3.15 + 1/2×3× (6.3 - 3.15)
Total area = 5.1975 + 14.49 + 4.725
Total area = 24.4125in²
Total area = 24.413 in² (Approximately)
Therefore the correct option is B.
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a company sold it's bond to interested members of the public and paid them an interest rate of 15percent per annum. how much will Mr Rogers receive if he bought a bond worth k 200 000.00
The amount that Mr Rogers would receive per annum is K 30,000.
How much would Mr Rogers receive per annum?
The amount of money that Mr Rogers would receive per annum is a function of the worth of the bond bought and the interest rate.
Interest= bond value x interest rate
0.15 x 200,000 = $30,000
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What does it mean to solve an equation
1.4y = 3.5
Answer:
y =2.5
Step-by-step explanation:
1.4y = 3.5
Divide each side by 1.4 to isolate y
1.4y /1.4 = 3.5/1.4
y =2.5
Answer:
2.5
Step-by-step explanation:
1.4 y=3.5
y=3.5/1.4
y=2.5
Solve the triangle. B=67∘51′,c=36m,a=74m What is the length of side b ? b=m (Round to the nearest whole number as needed.) What is the measure of angle A ? A= (Round to the nearest whole number as needed.) What is the measure of angle C ? C= (Round to the nearest whole number as needed.)
The length of side b is 56m, angle A is 45°, and angle C is 67°.
What is the length of side b in the given triangle?In the given triangle with side lengths a = 74m, b ≈ 56m, and c = 36m, the length of side b is approximately 56m.
To solve the triangle, we can use the Law of Cosines and the fact that the sum of angles in a triangle is 180 degrees. Given angle B = 67°51', we have:
Length of side b:Using the Law of Cosines, we have:
b² = a² + c² - 2ac * cos(B)
Substituting the known values:
b² = 74² + 36² - 2 * 74 * 36 * cos(67°51')
Calculating the value of b:
b ≈ √(74² + 36² - 2 * 74 * 36 * cos(67°51'))
b ≈ 55.92m (rounded to the nearest whole number, b ≈ 56m)
Measure of angle A:Using the Law of Cosines again, we have:
cos(A) = (b² + c² - a²) / (2 * b * c)
Substituting the known values:
cos(A) = (56² + 36² - 74²) / (2 * 56 * 36)
Calculating the value of A:
A = cos⁻¹((56² + 36² - 74²) / (2 * 56 * 36))
A ≈ 45° (rounded to the nearest whole number)
Measure of angle C:Using the fact that the sum of angles in a triangle is 180 degrees:
C = 180° - A - B
Substituting the known values:
C ≈ 180° - 45° - 67°51'
Calculating the value of C:
C ≈ 67°9' (rounded to the nearest whole number, C ≈ 67°)
Therefore, in the given triangle, the length of side b is approximately 56m, angle A is approximately 45°, and angle C is approximately 67°.
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HELP!
The area of a rectangular room is 750 square feet. The width of the room is 5 feet less than the length of the room. Which equations can be used to solve for y, the length of the room? Select three options. y(y + 5) = 750 y2 – 5y = 750 750 – y(y – 5) = 0 y(y – 5) + 750 = 0 (y + 25)(y – 30) = 0
Answer:y(y +5)=750 y(y-5)=750 & 750-y(y-5)=0
Step-by-step explanation:
If y=width and (y+5)=length then A: y( y+5)=750
If y=length and (y-5)=width Then B: y(y-5)=750
and 3rd set everything = to
C: 750-y(y-5)=0
Please help! This is due soon
Answer:
slope is 1/2
Step-by-step explanation:
pls help plssssss
it would really help
The measure of angle Y is given as follows
m < XYZ = 72.9º.
What are the trigonometric ratios?The three trigonometric ratios are defined as follows:
Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.For angle Y, we have that:
The adjacent side length is of 4 cm.The opposite side length is of 13 cm.Applying the tangent function, the measure is obtained as follows:
tan(Y) = 13/4
Y = arctan(13/4)
Y = 72.9º.
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what is the value of In x when In x = e to the power -x
In the Logarithm prompt above, note that the value of In x when In x = e to the power -x is x = 1/e.
What is the rationale for the above response?The above assertion is right because the definition of the natural logarithm denoted as In x or ln x, is that it is the inverse function of the exponential function, denoted as e to the power x or ex.
This means that if we have an equation of the form In x = ex, then we can find the value of x by simply taking the inverse of both sides of the equation.
So, if we take the inverse of both sides of the equation In x = ex, we get x = In (ex) = In e to the power x = 1/e.
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Find the volume of this sphere.
Use 3 for TT.
V = πr³
V =TT4³
V≈
V≈ [?] cm³
Hint: Calculate the value of () × (3) × (64)
X
8 cm
()(3)(64)
Answer:
256 cm³
Explanation:
\(\sf Volume\:of\:sphere=\dfrac{4}{3} \pi (radius)^3\)
Here given:
diameter: 8 cmradius: diameter/2 = 8/2 = 4 cmSolve for volume:
\(\sf Volume\:of\:sphere=\dfrac{4}{3} \pi (4)^3\)
take π as 3
\(\sf Volume\:of\:sphere=\dfrac{4}{3} (3) (4)^3\)
simplify exponent
\(\sf Volume\:of\:sphere=\dfrac{4}{3} (3) (64)\)
evaluate following
\(\sf Volume\:of\:sphere=4(64) = 256 \ cm^3\)
Answer:
V = 256 cm³
Step by step explanation:
Given that, diameter of the sphere is: 8cm
First, let us find the radius of the sphere:
d = 2 r
8 = 2 r
8/2 = 2r / 2
4cm = r
The formula to find the volume of the sphere:
\(V=\frac{3}{4} \pi r^{3} \\\)
Here,
r ⇒ radius
Let us find it now.
\(V=\frac{3}{4} \pi r^{3} \\\\V=\frac{3}{4} *\pi *4^{3} \\\\V=\frac{768}{4} \\\\V=256cm^{3}\)
if the diagonals of a quadrilateral each other, then the quadrilateral is a parallelogram. question 18 options: a) bisect b) are parallel to c) never intersect d) are perpendicular to
If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram. To prove this statement, we need to show that if the diagonals of a quadrilateral bisect each other, then the opposite sides of the quadrilateral are parallel.
Here are the steps to prove this:
1. Let's assume that the diagonals of the quadrilateral bisect each other at point O.
2. From point O, draw segments connecting the opposite vertices of the quadrilateral.
3. By definition, the diagonals of a quadrilateral bisect each other if they divide each other into two equal parts. This means that segment OA is congruent to segment OC, and segment OB is congruent to segment OD.
4. Now, we need to show that the opposite sides of the quadrilateral are parallel. We can do this by showing that the corresponding angles formed by the segments are congruent.
5. Since segment OA is congruent to segment OC, and segment OB is congruent to segment OD, we can conclude that angle A is congruent to angle C, and angle B is congruent to angle D.
6. By the definition of a parallelogram, opposite angles of a parallelogram are congruent. Therefore, angle A is congruent to angle C, and angle B is congruent to angle D, which implies that the opposite sides of the quadrilateral are parallel.
Therefore, if the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.
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Yuvia works in a computer store, where she earns a commission of 8 percent of her sales. On monday, her sales were $2,500. She calculates the amount she made on commission: ($2,500)(0. 08) = yuvia also earns a base salary of $45 per day. What is the total amount she earned that day? [total salary = base pay + commission].
If Yuvia also earns a base salary of $45 per day. The total amount she earned that day will be $245.
What is percentage?It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.
The usage of percentages is widespread and diverse. For instance, numerous data in the media, bank interest rates, retail discounts, and inflation rates are all reported as percentages. For comprehending the financial elements of daily life, percentages are crucial.
It is given that, Yuva works in a computer store, where she earns a commission of 8 percent of her sales. On Monday, her sales were $2,500.
Commission = 8 % of sales
Commission =($2,500)(0. 08)
Commission =$ 200
If yuvia also earns a base salary of $45 per day,
Total salary = base pay + commission].
Total salary =45 +200
Total salary =$245
f Yuvia also earns a base salary of $45 per day. The total amount she earned that day will be $245.
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What is 2/5 (3/5)?
6/25 2/3 5/5 6/5
Answer:
6/25
Step-by-step explanation:
2 x 3 = 6
5 x 5 = 25
= 6/25
Christine received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.22 per pound. After buying the coffee, she had $65.34 lett
on her card. How many pounds of coffee did she buy?
pounds
Answer:
Step-by-step explanation:
90 - 65.34= 24.66
24.66 divided by 8.22 is 3 so the answer is 3 pounds
chegg what is the standard deviation of a random variable q with the following probability distribution? (do not round intermediate calculations. enter your answer in numbers not in percentage. round your answer to 4 decimal places.) value of q probability 0 0.22 1 0.21 2 0.57
Based on the probability distribution of a random variable "q" which goes as,
Value of "q" Probability
0 0.22
1 0.21
2 0.257
The standard deviation of "q" will be
As per the question statement, we are provided with a probability distribution of a random variable "q" which goes as,
Value of "q" Probability (P)
0 0.22
1 0.21
2 0.57
We are required to determine the standard deviation of "q"
From the question mentioned table,
Expected value (qₙ) of random variable = [(q₁ * P₁) + (q₂ + P₂) + (q₃ + P₃)]
= [(0 * 0.22) + (1 * 0.21) + (2 * 0.57)] = 1.35
Therefore, Variance (V) of the random variable = ∑[P * (q - qₙ)²]
= [{0.22 * (0 - 1.35)²} + {0.21 * (1 - 1.35)²} + {0.57 * (2 - 1.35)²}]
= [{0.22 * (-1.35)²} + {0.21 * (-0.35)²} + {0.57 * (0.65)²}]
= [(0.22 * 1.8225) + (0.21 * 0.1225) + (0.57 * 0.4225)]
= (0.419175 + 0.025725 + 0.240825)
= 0.686265
Finally, Standard Variance of the variable "q" = √V
= √(0.686265)
= 0.8284
≈ 0.83
Standard Deviation: In Statistics and Probability Theory, the standard deviation is the average amount of variability in a dataset, i.e., It tells us, on average, how far each value in the set lies from the mean.To learn more about Standard Deviation, click on the link below.
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what is the answer to this question im having trouble 3 x 2 - x?
Answer and Step-by-step explanation:
3 x 2 - x = ? Well, if you simplify it's just 5x. But, if you are trying to solve this then you have to know what x is or what your answer is. But, if you're trying to solve 3 x 2 = x then x would equal 6. Of course, if you know the answer or what x equals then plug it in as such, let's say x = 2 then you would plug 2 in for x and solve, 3 x 2 = 6 - 2 = 4. But, if you are trying to solve for x then look at the answer, let's say it is 24 so, 3 x 2 - x = 24, x would equal -18.
Hope this helped you out! Have a wonderful day!
**Note, I didn't understand what you were asking, that's why I went into so much detail to help you out. Please, be clearer with your questions. Make sure you got all the whole question in there! Thank you!**
The population of a city has increased by 28 since it was last measured. if the current population is 80000, what was the previous population?
According to the given statement The preceding population was = 62,500.
In mathematics, what is a percentage?A % is a relative figure that represents the hundredth part of any amount. One percent (symbolized 1%) is a one-hundred part; consequently, 100 percent denotes the complete amount and 200 percent defines twice the supplied amount.
What is the significance of the term "percentage"?Percent originated from the Latin adverbial phrase per centum, which means "by the hundred." The Latin phrase made its way into English in the 16th century. Later, it was abbreviated to % with a period. The period was eventually eliminated, and the two components amalgamated to form the contemporary one-word form %.
According to the given data:The current population of a city = 80000
A city's population has grown by 28% since the last census.
measured.
We have to calculate the previous population before increasing 28%.
Let the previous population be p
p +(28% × p) = 80000
p + 0.28p = 80000
1.28p = 80000
p = 80000/1.28
p = 62,500
The preceding population was = 62,500.
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The fundamental question addressed by the correlational method is
a. "Does variable A cause variable B?"
b. "How is a control group influenced by the absence of an independent variable?"
c. "What impact does random assignment have on psychological behavior?"
d. "Are two or more variables related in some systematic way?"
The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. So the correct option is D.
Correlational method is a research technique used to explore the relationship between two or more variables. In this method, researchers collect data on the variables of interest and analyze their patterns of association. The fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way. This means that researchers are interested in exploring whether changes in one variable are associated with changes in another variable.
For instance, a researcher may be interested in exploring the relationship between stress and job performance. The researcher may collect data on the levels of stress and job performance in a sample of employees and then use statistical analysis to determine if there is a systematic relationship between the two variables. If the results show that higher levels of stress are associated with lower levels of job performance, then the researcher can conclude that there is a negative correlation between the two variables.
It is important to note that correlation does not imply causation. While a correlation between two variables indicates that they are related, it does not necessarily mean that changes in one variable are causing changes in the other variable. Therefore, researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
Therefore, the fundamental question addressed by the correlational method is whether two or more variables are related in some systematic way, and researchers must be cautious when interpreting correlational data and should consider other factors that may be influencing the relationship between variables.
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Develop a spreadsheet model that simulates the points scored by each team and the difference in their point totals. What are the average and standard deviation of points scored by the Iowa Wolves
To develop a spreadsheet model that simulates the points scored by each team and the difference in their point totals, you can follow these steps:
1. Create a spreadsheet with columns for the team names, points scored by each team, and the difference in their point totals.
2. Assign a cell to represent the average points scored by the Iowa Wolves. Let's say it's cell A1.
3. Assign a cell to represent the standard deviation of points scored by the Iowa Wolves. Let's say it's cell A2.
4. Use the "=NORM.INV(RAND(), A1, A2)" formula in a cell to generate a random value representing the points scored by the Iowa Wolves in a particular game.
5. Repeat step 4 for each game or simulation you want to run, populating the points scored by the Iowa Wolves in the respective cells.
6. Calculate the average of the generated points scored by the Iowa Wolves by using the "=AVERAGE()" formula on the range of cells containing the simulated points.
7. Calculate the standard deviation of the generated points scored by the Iowa Wolves by using the "=STDEV()" formula on the same range of cells.
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Simplify: 4y2 + 5y + 2 + 8y2 + 4y + 5.
Answer:
12y² + 9y + 7
General Formulas and Concepts:
Algebra I
Terms/CoefficientsStep-by-step explanation:
Step 1: Define
Identify
4y² + 5y + 2 + 8y² + 4y + 5
Step 2: Simplify
Combine like terms (y²): 12y² + 5y + 2 + 4y + 5Combine like terms (y): 12y² + 9y + 2 + 5Combine like terms: 12y² + 9y + 7Answer:
12y² + 9y + 7
Step-by-step explanation:
4y² + 5y + 2 + 8y² + 4y + 5
Simplify :-
4y² + 5y + 2 + 8y² + 4y + 5
arranging like terms4y² + 8y² + 5y + 4y + 2 + 5
Combine like terms12y² + 9y + 7
Jessie kristen and kendell all went shopping together and bought shirts. Kristen bought a shirt that cost $8.50. Jessie shirt cost $12.75. If there total bill was $39.45 how much did kendall's shirt cost?
Answer:
Kendall's shirt cost 18.20
Step-by-step explanation:
12.75+8.50=21.25
39.45-21.25=18.20
Example 17 Using the squeeze principle, evaluate the following limits: (1) lim θ→0
(sinθ) (2) lim θ→0
(cosθ). Show that given a function f(x),lim x→a
∣f(x)∣=0⇒lim x→a
f(x)=0.
Using the squeeze principle, we can conclude that lim θ→0 (sinθ) = 0 and lim θ→0 (cosθ) = 0. For a function f(x), if lim x→a ∣f(x)∣ = 0, then it follows that lim x→a f(x) = 0, provided that the function is continuous at x = a.To evaluate the limits using the squeeze principle:
(1) For lim θ→0 (sinθ):
We know that -1 ≤ sinθ ≤ 1 for all values of θ. Therefore, by the squeeze principle, since the limits of the upper bound and lower bound are both zero as θ approaches 0, we can conclude that lim θ→0 (sinθ) = 0.
(2) For lim θ→0 (cosθ):
Similar to the previous example, we know that -1 ≤ cosθ ≤ 1 for all values of θ. Again, by the squeeze principle, as θ approaches 0, both the upper bound and lower bound approach zero. Thus, lim θ→0 (cosθ) = 0.
To show that a function f(x), lim x→a ∣f(x)∣ = 0 ⇒ lim x→a f(x) = 0:
Suppose lim x→a ∣f(x)∣ = 0. By the definition of absolute value, ∣f(x)∣ ≥ 0 for all x. Therefore, if the limit of ∣f(x)∣ is 0, it implies that the function f(x) is bounded above and below by 0 as x approaches a. Thus, lim x→a f(x) = 0.
Note: Please ensure that the function f(x) is continuous at x = a for the statement to hold true.
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jim is six feet tall, and his shadow is $16$ feet long. the flagpole he is standing next to casts a shadow that is $72$ feet long. how tall is the flagpole, in feet?
The height of the flagpole is 27 feet.
Given,
If two triangles are similar, sides of these triangles will be proportional.
Height of the flagpole = h feet
Shadow castes by the flagpole = 72 feet
Height of the person = 6 feet
Shadow casted by the person = 16 feet
By using the property of similar triangles,
Hence, h/6 = 72/16
h = (6×72)/ 16
h = 27 feet
Therefore, The height of the flagpole is 27 feet.
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a newsletter publisher believes that less than 65% 65 % of their readers own a personal computer. for marketing purposes, a potential advertiser wants to confirm this claim. after performing a test at the 0.02 0.02 level of significance, the advertiser decides to reject the null hypothesis. what is the conclusion regarding the publisher's claim?
The conclusion regarding the publisher's claim is that it is incorrect if the potential advertiser rejects the null hypothesis. A newsletter publisher believes that less than 65% 65 % of their readers own a personal computer. For marketing purposes, a potential advertiser wants to confirm this claim. After performing a test at the 0.02 0.02 level of significance, the advertiser decides to reject the null hypothesis.
What is a null hypothesis?
The null hypothesis is a fundamental idea in inferential statistics that represents the null assumption. It's frequently utilized to compare datasets and decide whether any differences between them are real or just by chance.
It is also called H0. It is the default theory that no difference exists between two tested populations or data sets.
A hypothesis test is a way of deciding whether the data supports or disproves the null hypothesis. If the null hypothesis is incorrect, it is referred to as a Type I error. If it is true and the data leads to its rejection, it is known as a Type II error.
Thus, after performing the test at the 0.02 level of significance, if the potential advertiser decides to reject the null hypothesis, the publisher's claim is incorrect.
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