This should be easy Which is NOT equal 1/8 to ? A.13 B1.3 C13% D13/100
Answers
Answer: B
Step-by-step explanation:
1/8 is equal to 12.5, and 12.5 rounded to the nearest whole is 13.
1.3 does not equal 13. It is 11.7 less than 13.
The answer to the question is B.
Related Questions
if a distribution of scores is shown in a bar graph, you know that the scores were measured on a(n) _________ scale of measurement.
Answers
If a distribution of scores is shown in a bar graph, it suggests that the scores were measured on an ordinal scale of measurement.
An ordinal scale is a type of measurement scale that categorizes and orders variables or data points based on their relative ranking or position. In this case, the bar graph represents the frequencies or counts of different categories or ranges of scores, indicating an ordered arrangement of the data. However, the bar graph alone does not provide information about the exact numerical differences between the scores or their precise magnitudes.
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suppose that you need to build as many chairs as possible. each chair requires one seat, one back, and four legs. if you have 12 seats, 15 backs, and 44 legs, which of the chair components limits the number of chairs you can make? legs seats backs how many chairs can you make with the 12 seats, 15 backs, and 44 legs? what chair components will be leftover after making as many chairs as possible? seats and backs legs and backs seats and legs
Answers
The maximum number of chairs that can be made will be the minimum of 12, 15, and 11. That exists, 11 chairs can be made, limited by the number of available legs.
What is meant by probability?The study of probabilities, which are determined by the ratio of favorable occurrences to probable cases, is known as probability.
The maximum number of chairs that can be made will be the minimum of the number of parts divided by the number of parts required for each chair, as calculated across the various types of parts required.
seats: 12 available, used 1 per chair: 12/1 = 12 chairs possible
backs: 15 available, used 1 per chair: 15/1 = 15 chairs possible
legs: 44 available, used 4 per chair: 44/4 = 11 chairs possible
The maximum number of chairs that can be made will be the minimum of 12, 15, and 11. That exists, 11 chairs can be made, limited by the number of available legs.
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Dr. Jones is a billionaire and an amateur mathematician. Today, she wants to invest 80 million dollars at a fixed annual interest rate of 10% and use this fund to set up a "Nobel prize" for mathematicians: in each year, she awards a sum of money to the most outstanding mathematician. To combat inflation, the size of the prize is x for the first year, 1.045x in the second year, and $1.045t-1x in year t. Suppose that the first prize is scheduled to be given out immediately and Dr. Jones wants this to become a legacy that lasts forever, what is the highest possible value of x in millions of dollars? (For example, if your answer is 5 million, please enter 5 without adding "million".)
Answers
The highest possible value of x in millions of dollars is approximately 76.4 million.
To find the highest possible value of x in millions of dollars, we need to determine the value of x that will allow the fund to last forever.
The value of the fund in year t can be expressed as:
V(t) = x + 1.045x + (1.045^2)x + ... + (1.045^(t-1))x
This is a geometric series with a common ratio of 1.045. The sum of a geometric series is given by the formula:
S = a * (1 - r^t) / (1 - r)
where a is the first term, r is the common ratio, and t is the number of terms.
In this case, a = x, r = 1.045, and we want the sum to be infinite (to last forever). Therefore, we can set up the following equation:
V = x / (1 - 1.045) = 80 million
Simplifying this equation, we get:
x / (0.955) = 80 million
x = 80 million * 0.955
x ≈ 76.4 million
So, the highest possible value of x in millions of dollars is approximately 76.4 million.
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The highest possible value of x in millions of dollars is approximately 76.4 million.
To find the highest possible value of x in millions of dollars, we need to determine the value of x that will allow the fund to last forever.
The value of the fund in year t can be expressed as:
V(t) = x + 1.045x + (1.045^2)x + ... + (1.045^(t-1))x
This is a geometric series with a common ratio of 1.045. The sum of a geometric series is given by the formula:
S = a * (1 - r^t) / (1 - r)
where a is the first term, r is the common ratio, and t is the number of terms.
In this case, a = x, r = 1.045, and we want the sum to be infinite (to last forever). Therefore, we can set up the following equation:
V = x / (1 - 1.045) = 80 million
Simplifying this equation, we get:
x / (0.955) = 80 million
x = 80 million * 0.955
x ≈ 76.4 million
So, the highest possible value of x in millions of dollars is approximately 76.4 million.
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At an animal rescue, 40% of the animals are dogs and 60% of the animals are cats. If the average age of the dogs is 9 months and the average age of the cats is 2 months, what is the average age of all the animals?
3.6
4.8
5.5
6.2
Answers
Answer:
B. 4.8
Step-by-step explanation:
The average age of all the animals is B. 4.8.
How to calculate the average?From the information, at the animal rescue, 40% of the animals are dogs and 60% of the animals are cats. If the average age of the dogs is 9 months and the average age of the cats is 2 months.
To find the average age of all the animals, we need to calculate the weighted average of the ages of the dogs and cats, where the weights are the proportions of dogs and cats in the rescue.
The average age of all the animals is:
(0.4 * 9 months) + (0.6 * 2 months)
= 3.6 months + 1.2 months
= 4.8 months.
So the average age of all the animals at the rescue is 4.8 months.
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Find the missing number:
√25 x √25 = 25 x?
(A) 1
(B) 5
(C) 10
(D) 25
Answers
Step-by-step explanation:
since sqrt(25)×sqrt(25) = 25, then x can be any number, because x = x in all cases. and then both sides of the equation are always equal, no matter what value we give x, as long as x is a factor in both sides.
sqrt(25)×x×sqrt(25) = 25x
is always true for every x.
if the question would be
sqrt(25)×x×sqrt(25) = 25
then the answer can only be x = 1. because for every other value of x the equality is destroyed.
The table represents the cost of flowers at the Tigerlily Flower Shop.
Cost of Flowers
Quantity
Price
1
$2.00
2
$3.50
3
$5.00
4
$6.50
5
$8.00
6
$9.00
Which graph is the best interpretation of this table?
Answers
Answer:
A
Step-by-step explanation:
can I get the crown plz? UwU
The question is below thanks
Answers
this is ur complete Venn diagram
I’m confused on what number 4 means. Can someone please help?
Answers
Answer:I think you can say like the most bought music in class B is alternative and the lowest one is classical and so on
Step-by-step explanation:
Brandon take a rectangular piece of fabric and make a diagonal cut from one corner to the oppoite corner. The cut he make i 13 inche long and the width of the fabric i 5 inche. What i the fabric' length?
Answers
The length of the fabric which Brandon formed a rectangle, is 11 inches.
To find the length of the fabric, we can use the Pythagorean theorem. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.
In this case, the length of the fabric is one of the other two sides, and the diagonal cut is the hypotenuse. So, we can write the equation:
\(L^2 + 5^2 = 13^2\)
where L is the length of the fabric.
Solving for L, we get:
\(L^2 = 144 - 25 = 119, and L =\sqrt{119} = 11.\)
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I need help can someone please answer this for me
Answers
The mean time required to repair breakdowns of a certain copying machine is 93 minutes. The company which manufactures the machines claims that breakdowns of its newer model are easier to fix. To test this claim, a sample of 18 breakdowns of the new model were observed, resulting in a mean repair time of 86.8 minutes with a standard deviation of 14.6 minutes. Using a significance level of a = 0.10, determine if the new copy machines are faster to repair. State clearly what your null and alternative hypotheses are, show your work, and state your conclusion.
Answers
A significance level of 0.10, we have enough evidence to conclude that the new copy machines have a significantly faster mean repair time compared to the older model.
To test if the new copy machines are faster to repair, we can set up the following null and alternative hypotheses:
Null Hypothesis (H₀): The mean repair time for the new copy machines is the same as the mean repair time for the older model.
Alternative Hypothesis (H₁): The mean repair time for the new copy machines is less than the mean repair time for the older model.
Let's perform a one-sample t-test to test these hypotheses. The test statistic is calculated as:
t = (sample mean - population mean) / (sample standard deviation / √(sample size))
Given:
Population mean (μ) = 93 minutes
Sample mean (\(\bar x\)) = 86.8 minutes
Sample standard deviation (s) = 14.6 minutes
Sample size (n) = 18
Significance level (α) = 0.10
Calculating the test statistic:
t = (86.8 - 93) / (14.6 / sqrt(18))
t = -6.2 / (14.6 / 4.24264)
t ≈ -2.677
The degrees of freedom for this test is n - 1 = 18 - 1 = 17.
Now, we need to determine the critical value for the t-distribution with 17 degrees of freedom and a one-tailed test at a significance level of 0.10. Consulting a t-table or using statistical software, the critical value is approximately -1.333.
Since the test statistic (t = -2.677) is less than the critical value (-1.333), we reject the null hypothesis.
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What percent of 80 is 48? Round your answer to the nearest hundredth if necessary.
Answers
Answer:
60%
Step-by-step explanation:
Ava' s cell phone plan allows her to send up to 125 text messages per month if she sent 90 text so far what percent of her monthly message limit has she used
Answers
Answer:
90/125*100=9000/125
9000/125=72
72%
what would be the sum and carry for this function on a truth table
Q = (X*2) + (Y/2) + Z
Answers
To find the sum and carry for this function on a truth table, we must first complete the truth table by computing the function's values for all possible inputs.
The given function is\(Q = (X*2) + (Y/2) + Z\)
Here's the truth table:X Y Z Q0 0 0 00 0 1 10 1 0 20 1 1 31 0 0.5 1.51 0 1 21 1 0.5 3.5 1 1 3
From the truth table above, we can see that the sum of Q for all eight input combinations is 12.
To find the carry, we will need to determine the maximum output value for the given function.
We can observe that the highest output value is 3.5.
Therefore, there is no carry for this function since the highest output value is less than four.
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★PLSSSSS HELPPPPPPPPP★
Answers
Answer:
Cellular respiration
Step-by-step explanation:
hurry!
You work at a campus book store and a customer needs a textbook that you do not have in stock. You can order the textbook from Campus Corner for $129.95, prior to a rebate of $9.00. Books R Us sells the same textbook for $145.00, prior to a discount of 15%. What is the percent difference in the final cost of the two items?
O 0.018%
O 0.019%
O 1.87%
O 1.90%
O 2.10%
Answers
Answer:
.187
Step-by-step explanation:
4-2(x+7)=3(x+5) can ya'll help me with the steps.
Answers
Answer:
x = -5
Step-by-step explanation:
4-2(x+7)=3(x+5)
Distribute
4 -2x-14 = 3x+15
Combine like terms
-2x-10 = 3x+15
Add 2x to each side
-2x-10+2x= 3x+15+2x
-10 = 5x+15
Subtract 15 from each side
-10-15 = 5x+15
-25 = 5x
Divide by 5
-25/5 = 5x/5
-5 =x
Answer:
x = -5
Step-by-step explanation:
4 - 2(x+7) = 3(x+5)
4 - 2*x - 2*7 = 3*x + 3*5
4 - 2x - 14 = 3x + 15
4 - 14 - 15 = 3x + 2x
-25 = 5x
x = -25/5
x = -5
Check:
4 - 2(-5+7) = 3(-5+5)
4 - 2*2 = 3(0)
4 - 4 = 0
What theorem shows that TUV ≅ WVU?
Answers
The theorem that shows that TUV ≅ WVU is law of congruent triangles
What is law of congruent triangles?If two triangles have the same size and shape they are called congruent triangles. If we flip, turn or rotate one of two congruent triangles they are still congruent. If the sides of two triangles are the same then the triangles must have the same angles and therefore must be congruent.
Therefore two triangles are said to be congruent if the three sides and the three angles of both the angles are equal in any orientation.
from the shape,
Since line UW = VT and Line UV is common to both ∆TUV and ∆WUV, then TU = VW
Therefore ∆TUV and ∆WUV are congruent.
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Can someone help me ?
Answers
Answer:
3
Step-by-step explanation:
PLEASE HELP WITH MY MATH HOMEWORK
ill give brainliest
Answers
Answer:
The answer is that the ball was in the air for 0.56 seconds when it was 54 feet above the ground. This was determined by using the Quadratic Formula to solve the equation 54 = -16s^2 + 96s for the variable s.
Step-by-step explanation:
To solve this equation, we can use the Quadratic Formula, which states that for a quadratic equation in the form ax^2 + bx + c = 0, the solutions are given by:
x = (-b +/- sqrt(b^2 - 4ac)) / (2a)
In this case, a = -16, b = 96, and c = -54. Plugging these values into the Quadratic Formula, we get:
s = (-96 +/- sqrt(96^2 - 4 * -16 * -54)) / (2 * -16)
= (96 +/- sqrt(9216 + 4352)) / -32
= (96 +/- sqrt(13,568)) / -32
Since we want the time (in seconds) that the ball was in the air, we need to find the positive solution to this equation. Thus, we have:
s = (96 + sqrt(13,568)) / -32
= (96 + 120) / -32
= 0.5625 seconds
Rounding this value to the nearest hundredth of a second, we get 0.56 seconds. This means that the ball was in the air for 0.56 seconds when it was 54 feet above the ground.
To solve this equation, we used the Quadratic Formula. This method allowed us to find the time (in seconds) that the ball was in the air by solving for the value of the variable s in the given equation. This helped Vue answer his question by providing a numerical value for the amount of time that the ball was in the air when it was 54 feet above the ground.
The functions f(x), g(x), and h(x) are shown below. Select the option that represents the ordering of the functions according to their average rates of change on the interval -1≤x≤4 goes from least to greatest.
Answers
SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the formula for the rate of change
\(\begin{gathered} rate\text{ of change}=\frac{f(b)-f(a)}{b-a} \\ rate\text{ of change}=\frac{y_2-y_1}{x_2-x_1} \end{gathered}\)STEP 2: Write the given intervals
\(-1\leq x\leq4\)STEP 3: Find the average rate of change of f(x)
\(\begin{gathered} Picking\text{ two points on the graphs, we have:} \\ (x_1,y_1)=\left(-1,5\right) \\ (x_2,y_2)=(4,0) \end{gathered}\)We substitute the coordinates into the rate of change formula:
\(rate\text{ of change}=\frac{0-5}{4-(-1)}=-\frac{5}{5}=-1\)STEP 4: Find the rate of change of g(x)
\(\begin{gathered} (x_1,y_1)=(-1,17) \\ (x_2,y_2)=(4,2) \\ rate\text{ of change}=\frac{2-17}{4-(-1)}=\frac{-15}{5}=-3 \end{gathered}\)STEP 5: Find the rate of change of h(x)
\(\begin{gathered} h(x)=-x^2-5x+37 \\ x_1=-1 \\ h(-1)=-(-1^2)-5(-1)+37=-1+5+37=41 \\ x_2=4 \\ h(4)=-(4^2)-5(4)+37=-16-20+37=1 \\ The\text{ new points become:} \\ (x_1,y_1)=(-1,41) \\ (x_2,y_2)=(4,1) \\ Average\text{ rate of change:} \\ \frac{1-41}{4-(-1)}=\frac{-40}{5}=-8 \end{gathered}\)STEP 6: Write the average rates of change for the functions
\(\begin{gathered} f(x)=-1 \\ g(x)=-3 \\ h(x)=-8 \end{gathered}\)The average rates of change in ascending order will be -8,-3,-1
Hence, the arrangement of the functions according to their ascending order of average rates of changes are:
\(h(x),g(x),f(x)\)What is m CD ?
Plzz help
Answers
Given:
Arc(AB) = 78 degrees
Measure of angle CMD = 106 degrees
To find:
The measure of arc CD.
Solution:
Secant intersection theorem: If two secant of a circle intersect each other inside the circle, then the intersection angle is the average of intercepted arcs.
Using secant intersection theorem, we get
\(m\angle CMD=\dfrac{1}{2}(Arc(AB)+Arc(CD))\)
\(106^\circ=\dfrac{1}{2}(78^\circ+Arc(CD))\)
Multiply both sides by 2.
\(212^\circ=78^\circ+Arc(CD)\)
\(212^\circ-78^\circ=Arc(CD)\)
\(134^\circ=Arc(CD)\)
Therefore, the measure of arc CD is 134 degrees and the correct option is C.
0.0493 to one significant figure
Answers
Answer:
0.05
Step-by-step explanation:
if p(-2,3), q(5,0),r(0,2) and s (-4,0) are plotted on the graph which ofthem would lie on x axis?
PLEASE GIVE THE GRAPH ALSO TO BECOME BRAINLIEST
Answers
Answer:
Points (-4,0) and (5,0) will lie on the x axis.
Step-by-step explanation:
To know if a point lies on the x axis, the y - value of a coordinate will always be zero. Here is the graph below:
Salma and jared each threw 5 darts at the target shown. Salma scored 19 points by landing 2 darts in A and 3 in B.How many points are given for a dart landing in A?
Answers
Answer:
5
Step-by-step explanation:
Salma and Jared each threw 5 darts at the target shown. Salma scored 19 points by landing 2 darts in A and 3 in B. Jared scored 17 points by landing 1 dart in A and 4 in B. How many points are given for a dart landing in A?
this can be solved using simultaneous equation. Two equations can be formed from the question
2a + 3b = 19 equation 1
1a + 4b = 17 equation 2
Multiply equation 2 by 2
2a + 8b = 34 equation 3
Subtract equation 1 from 3
5b = 15
divide both sides of the equation by 5
b = 3
Substitute for b in equation 1
2a + 3(3) = 19
2a = 9 = 19
collect like terms
2a = 10
divide both sides of the equation by 2
a = 5
Find the second deriventive of the function. f(x)=3x^(2)+7x
Answers
The second derivative of the function \(f(x) = 3x^2 + 7x\) is \(f''(x) = 6\). The second derivative of the function \(f(x) = 3x^2 + 7x\) can be found by taking the derivative of its first derivative.
The first derivative of \(f(x)\) is obtained by applying the power rule and the constant rule:
\(f'(x) = \frac{d}{dx}(3x^2) + \frac{d}{dx}(7x)\)
\(f'(x) = 6x + 7\)
To find the second derivative, we differentiate the first derivative \(f'(x)\) with respect to \(x\):
\(f''(x) = \frac{d}{dx}(6x + 7)\)
\(f''(x) = 6\)
Therefore, the second derivative of the function \(f(x) = 3x^2 + 7x\) is \(f''(x) = 6\).
The function \(f(x) = 3x^2 + 7x\) is a quadratic function, and its second derivative is a constant. When taking the first derivative of \(f(x)\), the power rule is applied to each term individually, resulting in \(6x\) from \(3x^2\) and \(7\) from \(7x\). When differentiating the first derivative again to find the second derivative, the derivative of any constant term (such as \(7\)) is always zero, and the derivative of the linear term \(6x\) is \(6\), since the derivative of \(x\) is \(1\) and the derivative of a constant times \(x\) is the constant itself. Thus, the second derivative of \(f(x)\) is a constant value of \(6\), indicating that the graph of \(f(x)\) is a straight line with a slope of \(6\) and no curvature.
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(–12h4 + h) – (–6h4 + 3h2 – 4h) help plssssssssssss
Answers
Your store cost on a loaf of bread is $0. 75, and your retail price is $3. 85. You are having a promotion which discounts the bread 20%. What is your margin on the discounted bread?.
Answers
The margin on the discounted bread is $2.33
Given,
In the question:
Your store cost on a loaf of bread is $0. 75,
and your retail price is $3. 85.
You are having a promotion which discounts the bread 20%.
To find the margin on the discounted bread.
Now, According to the question:
Given store cost on a loaf of bread is $0.75 and retail price is $3.85.
Discount is always given on retail price.
The amount of discount is 20%
Discount given on $3.85 = 20% of 3.85= .20(3.85)= 0.77.
Cost of bread after discount =3.85-0.77= 3.08
The discounted bread costs $3.08.
The difference in store cost and discounted cost = 3.08-0.75=$2.33
Hence, the margin on the discounted bread is $2.33
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If mn, solve for x.
(3x + 9) (x + 21)
Answers
2
3x. + 63x + 9x + 189
Step-by-step explanation:
Use distributive law, in other words multiply the first bracket terms by the second bracket terms
5. A car costs $22,000. After a down payment of $4,000, the balance will be paid off in 48 equal monthly payments with the interest of 12% per year on the unpaid balance. Find the amount of each payment. 6. A car costs $22,000. After a down payment of $4,000, the balance will be paid off in 60 equal monthly payments with the interest of12%per year on the unpaid balance. Find the amount of each payment.
7. A car costs $22,000. After a down payment of $4,000, the balance will be paid off in 72 equal monthly payments with the interest of 12% per year on the unpaid balance. Find the amount of each payment.
8. (Bad credit): A car costs $22,000. After a down payment of $4,000, the balance will be paid off in 48 equal monthly payments with the interest of 18% per year on the unpaid balance. Find the amount of each payment.
Answers
The equal monthly payments for a car costs $22,000 with a down payment of $4,000 based on each scenario are:
Interest of 12% with 48 equal monthly payments = $621.92.Interest of 12% with 60 equal monthly payments = $505.01.Interest of 12% with 72 equal monthly payments = $383.63.Interest of 18% with 48 equal monthly payments = 704.26Let's discuss each scenario we have.
5. For calculating the amount of each payment, the first thing to do is to find the balance after the down payment is made.
The amount of the down payment is $4,000.
The total cost of the car is $22,000.
Hence the balance is:
Balance = Total cost of the car − Down payment
Balance = $22,000 − $4,000 = $18,000
Now we can calculate the amount of each payment.
The payment is to be made in 48 equal monthly installments.
The interest rate is 12% per year.
We need to convert this into the monthly interest rate by dividing by 12.
Hence:
Monthly interest rate = 12% / 12 = 1% = 0.01
Let x be the amount of each monthly payment. Then the equation that represents the above conditions is given by:
18000=x(1−(1+0.01)−48)/0.01
Using the formula (1−(1+ r/n)−nt) = (1−(1+r)^−n), we can simplify the above equation to:
18000=x(1−(1+0.01)−48)/0.01x
=18000/28.95x
≈621.92
Hence the amount of each equal monthly payment is approximately $621.92.
6. For calculating the amount of each payment, the first thing to do is to find the balance after the down payment is made.
The amount of the down payment is $4,000.
The total cost of the car is $22,000.
Hence the balance is:
Balance = Total cost of the car − Down payment
Balance = $22,000 − $4,000 = $18,000
Now we can calculate the amount of each payment.
The payment is to be made in 60 equal monthly installments.
The interest rate is 12% per year.
We need to convert this into the monthly interest rate by dividing by 12.
Hence:
Monthly interest rate = 12% / 12 = 1% = 0.01
Let x be the amount of each monthly payment.
Then the equation that represents the above conditions is given by: 18000=x(1−(1+0.01)−60)/0.01
Using the formula (1−(1+ r/n)−nt) = (1−(1+r)^−n), we can simplify the above equation to:
18000=x(1−(1+0.01)−60)/0.01x
=18000/35.643x
≈505.01
Hence the amount of each payment is approximately $505.01.
7. For calculating the amount of each payment, the first thing to do is to find the balance after the down payment is made.
The amount of the down payment is $4,000.
The total cost of the car is $22,000.
Hence the balance is:
Balance = Total cost of the car − Down payment
Balance = $22,000 − $4,000 = $18,000
Now we can calculate the amount of each payment.
The payment is to be made in 72 equal monthly installments.
The interest rate is 12% per year.
We need to convert this into the monthly interest rate by dividing by 12.
Hence:
Monthly interest rate = 12% / 12 = 1% = 0.01
Let x be the amount of each monthly payment.
Then the equation that represents the above conditions is given by:
18000=x(1−(1+0.01)−72)/0.01
Using the formula (1−(1+ r/n)−nt) = (1−(1+r)^−n), we can simplify the above equation to:
18000=x(1−(1+0.01)−72)/0.01x
=18000/46.869x
≈383.63
Hence the amount of each payment is approximately $383.63.
8. For calculating the amount of each payment, the first thing to do is to find the balance after the down payment is made.
The amount of the down payment is $4,000.
The total cost of the car is $22,000.
Hence the balance is:
Balance = Total cost of the car − Down payment
Balance = $22,000 − $4,000 = $18,000
Now we can calculate the amount of each payment.
The payment is to be made in 48 equal monthly installments.
The interest rate is 18% per year.
We need to convert this into the monthly interest rate by dividing by 12.
Hence:
Monthly interest rate = 18% / 12 = 1.5% = 0.015
Let x be the amount of each monthly payment.
Then the equation that represents the above conditions is given by:
18000=x(1−(1+0.015)−48)/0.015
Using the formula (1−(1+ r/n)−nt) = (1−(1+r)^−n), we can simplify the above equation to:
18000=x(1−(1+0.015)−48)/0.015x
=18000/25.525x
≈704.26
Hence the amount of each payment is approximately $704.26.
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