Answer:
The alphabet
Step-by-step explanation:
c or a
Answer:
it supports the Alphabet
Step-by-step explanation:
answer is A
What is the cluster of this dotplot?
Use long division to convert 11/20 to a decimal.
It should be noted that converting 11/20 to a decimal through division will gives 0.55.
How to illustrate the information?This can be illustrated as follows. It should be noted that the quotient is the value obtained by dividing one value by another. The quotient is 11.
The divisor is the value that divides. It should be noted that in this case, this is illustrated as 20.
It should be noted that 11 is the numerator and 20 is the denominator.
Therefore, it should be noted that converting 11/20 to a decimal through division will gives 0.55.
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What type of line is y = x?
Answer:
A slanted line slanting right on the graph
Step-by-step explanation:
It’s c
1.)The density of gold is 19.3 g/cm3. What is this value in kilograms per cubic meter? a. 193×104 kg/m 3
b. 1.93×104 kg/m3
c. 19.3×104 kg/m 3
d. 1.93 kg/m 3
2.) The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360 horsepower and had a displacement of 327 cubic inches. Express this displacement in liters (L) by using only the conversions 1 L=1000 cm 3
and 1in.=2.54 cm. a. 5.36 L b. 4.36 L c. 3.36 L d. 6.36 L 3.) If an object accelerates with a constant acceleration of 4 m/s 2
for 1 hour, its velocity will be: a. 14.4 km/s b. 17.28 km/s c. 1.44 km/s d. 1.728 m/s
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In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they had exercised in the past 24 hours.For the 39 randomly selected upperclassmen, the sample mean was 0.76 and sample standard deviation was 0.75.For the 35 randomly selected underclassmen, the sample mean was 0.60 and the sample standard deviation was 0.73.What is the point estimate of the difference in the population mean exercised between underclassmen and upperclassmen?
The point estimate of the difference in the population mean exercised between underclassmen and upperclassmen is 0.16 hours.
In this case, we are estimating the difference in population means between two groups - upperclassmen and underclassmen. The point estimate is calculated by subtracting the sample mean of the underclassmen from the sample mean of the upperclassmen, which gives us
0.76 - 0.60 = 0.16.
the point estimate of the difference in population mean exercised between underclassmen and upperclassmen is 0.16 hours, which was calculated by subtracting the sample mean of underclassmen from the sample mean of upperclassmen.
Point Estimate = (Sample Mean of Upperclassmen) - (Sample Mean of Underclassmen)
Point Estimate = (0.76) - (0.60)
Point Estimate = 0.16
Hence, the point estimate of 0.16 suggests that, on average, upperclassmen exercised 0.16 hours more than underclassmen in the past 24 hours. This is a rough estimate of the difference between the two population means based on the provided sample data.
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94. Juan is practicing archery using a simple circular target with a radius of 18 inches. The target's a bullseye has a circumference of 18pi inches. What is the area of the portion of the target that is not part of the bullseye?
Answer: 763.02 in^2
Step-by-step explanation:
For a circle of radius R, we know that:
The area is:
A = pi*R^2
the circumference is:
C = 2*pi*R
where pi = 3.14
We know that the circumference of the bullseye is 18*pi, then the radius of this circle is:
2*pi*R = 18*pi
2*R = 18
R = 18/2 = 9
The radius of the bullseye is 9 inches.
Now, the area of the target that is not part of the bullseye is equal to the difference between the area of a circle of radius 18in (the total target area) and a circle of radius 9in (the bullseye area)
This is:
A = pi*(18in)^2 - pi*(9in)^2 = 3.14*( (18in)^2 - (9in)^2) = 763.02 in^2
Equation in slope intercept form that represents their shown
Answer:
I think the answer would be Y= -2X+5 .
Hope it helps u ^^♥️
State the most specific name for each figure.
7)
The most specific name for the figure is an isosceles trapezoid
How to state the most specific name for the figure.From the question, we have the following parameters that can be used in our computation:
The figure
The properties of the given figure are
A pair of parallel sidesA pair of non- parallel sides pointing towards different directionsUsing the above as a guide, we have the following:
The figure is a trapezoid
Because the nonparallel sides are congruent, then the most specific name for the figure is an isosceles trapezoid
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How many cubes with side lengths of \dfrac12 \text{ cm} 2 1 cmstart fraction, 1, divided by, 2, end fraction, start text, space, c, m, end text does it take to fill the prism? Cubes
Answer:
24
Step-by-step explanation:
Answer
24!
Step-by-step explanation:
Person above me is correct :)
If a sample mean is 54.6, and this estimates the population mean with a margin of error of 3.9, then what is the 95% confidence interval
Based on a sample mean of 54.6 and a margin of error of 3.9, the 95% confidence interval for estimating the population mean can be calculated.
To calculate the 95% confidence interval, we can use the formula:
Confidence interval = sample mean ± (critical value * standard error)
The critical value for a 95% confidence level corresponds to a z-score of approximately 1.96.
The margin of error represents the maximum distance between the sample mean and the true population mean. In this case, the margin of error is given as 3.9.
We can set up the equation as:
3.9 = 1.96 * standard error
To find the standard error, we rearrange the equation:
standard error = 3.9 / 1.96
Once we have the standard error, we can calculate the lower and upper bounds of the confidence interval by plugging in the values:
Lower bound = sample mean - (1.96 standard error)
Upper bound = sample mean + (1.96 standard error)
Using the given values, the 95% confidence interval can be calculated by substituting the sample mean and standard error into the formula.
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If the opportunity cost of 1 ton of copper is 2 tons of tin in the United States and the opportunity cost of 1 ton of copper is 3 tons of tin in Mexico, then in order for both countries to gain from trade, the possible terms of trade could be ______. (Select all that apply)
The possible terms of trade any value between 2 tons and 3 tons of tin per 1 ton of copper.
A both countries to gain from trade, the terms of trade should fall between the opportunity costs of the two countries. Based on the information given:
Opportunity cost of 1 ton of copper in the United States = 2 tons of tin
Opportunity cost of 1 ton of copper in Mexico = 3 tons of tin
To find a possible range for the terms of trade, the range between the two opportunity costs. The terms of trade should be more favourable to the country with the higher opportunity cost (Mexico in this case) to incentivize trade.
Possible terms of trade:
Between 2 tons and 3 tons of tin per 1 ton of copper
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What is the slope of a line that is perpendicular to the line
y=−4/5x + 7
Answer:Thats Just Notes To Right Down.
Step-by-step explanation:
The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is the y-intercept. Using the slope-intercept form, the slope is 45 4 5 . The equation of a perpendicular line to y=4x5+7 y = 4 x 5 + 7 must have a slope that is the negative reciprocal of the original slope.
round the following number to 2 decimal places 17.422
Answer:
17.42
Step-by-step explanation:
Because the third place is less than 5 you have to round it to smaller number and that is 2.
If by any chance the third number was for example six you would have to round it to 3.
like y'all is so nice for helping me because this work is so hard so can yall help me
1. Which two points fail the VLT here in this graph?
PLEASE HELP!!!!
f(x) = (x - 3)(x + 4)
Answer:
f(x)= x^2+x-12
Step-by-step explanation:
FOIL
First= (x)(x)=x^2
Outer=(x)(4)=4x
Inner=(-3)(x)=-3x
Last=(-3)(4)=-12
x^2+4x-3x-12
x^2+x-12
Evaluate − 5 x 2 + 4 y 3 when x = − 2 and y = 2
Answer:
hope this is helpful.
putting values of X and y in the equation
Answer is 12
Answer:
answer is 39
Step-by-step explanation:
So, we start with the original problem:
3
x
2
−
4
y
2
Then we substitute the given
x
and
y
values into the expression:
3
(
5
)
2
−
4
(
3
)
2
Now, according to the order of operations, we simplify the exponential powers first, thus, reducing the expression to this:
3
(
25
)
−
4
(
9
)
Then, we use the order of operations again and do the multiplication next:
75
−
36
We then use the order of operations a final time and finish off the expression with subtraction:
39
in trigonometry sec/cosec?is what
Answer:
tan x
Step-by-step explanation:
Using the trigonometric identities
secx = \(\frac{1}{cosx}\) , cosecx = \(\frac{1}{sinx}\) , then
\(\frac{secx}{cosecx}\)
= \(\frac{\frac{1}{cosx} }{\frac{1}{sinx} }\)
= \(\frac{1}{cosx}\) × sinx
= \(\frac{sinx}{cosx}\)
= tan x
By completing the square , solve x^2+12x-c=0 where c is a positive constant.
Give your answers in surd form in terms of c.
You must show all your working.
The roots of \(x^{2}\) +12x -c = 0 in surd form is -6 ± \(\sqrt{c + 36}\)
What is a quadratic equation?A quadratic equation is an algebraic equation of the second degree in x. The quadratic equation in its standard form is ax2 + bx + c = 0, where a and b are the coefficients of \(x^{2}\) and x respectively and c is the constant term.
\(x^{2}\) + 12x - c = 0
taking c to the other side, we have
\(x^{2}\) + 12x = c
adding the square of half the coefficient of x, which is 6
\(x^{2}\) + 12x + \(6^{2}\) = c + \(6^{2}\)
The left side is now a perfect square which can be simplified as \((x + 6)^{2}\)
So,
\((x + 6)^{2}\) = c + 36
taking the square root of both sides, we have
x + 6 = \(\sqrt{ c + 36}\)
Therefore,
x = -6 ±\(\sqrt{c + 36}\)
In conclusion, the solution to the equation is x = -6 ±\(\sqrt{c + 36}\)
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Please help me I really need help
If the circumference of a circle triples, the area becomes...
A. 9 times smaller
B. 3 times smaller
C. 3 times bigger
D. 6 times bigger
E. 9 times bigger
Answer:
E. 9 times bigger
Step-by-step explanation:
Here's a made up example. Let's say that the radius of a circle is 5.
Circumference = 2πr
2π(5) = 31.42
Area = πr²
π(5)² = 78.54
If the circumference of a circle triples, that means that the radius also triples. So, the new radius is 15.
C = 2πr
C = 2π(15)
C = 94.26
A = πr²
A = π(15)²
A = 706.86
94.26 ÷ 31.42 = 3 ⇒ The circumference tripled.
706.86 ÷ 78.54 = 9 ⇒ The area is 9 times bigger.
Hope this helps. :)
Need help with homework
Given:
The length of the side AC = 4.
The measure of angle m∠C = 45°.
The measure of angle m∠B = 45°.
The objective is to find the measure of length AB and BC.
Explanation:
To find x :
The value of x can be calculated using the trigonometric ratio of tan.
\(\begin{gathered} \tan \theta=\frac{\text{opposite}}{\text{adjacent}} \\ \tan 45\degree=\frac{x}{4} \\ 1=\frac{x}{4} \\ x=4 \\ AB=4 \end{gathered}\)To find h :
The value of h can be calculated using the Pythagorean theorem.
\(\begin{gathered} h=\sqrt[]{AC^2+AB^2} \\ =\sqrt[]{4^2+4^2} \\ =\sqrt[]{16+16} \\ =\sqrt[]{32} \\ =4\sqrt[]{2} \\ BC=4\sqrt[]{2} \end{gathered}\)Hence, the measure of length AB is 4 and the measure of length BC is 4√2.
meeny, miny and moe were playing tennis. from the second game on, the one who sat out the preceding game would replace the loser of that game. at the end, meeny played games and miny played games. how many games did moe play?
In the end, Moe played 51 games, while Meeny played 17 games and Miny played 35 games.
We can start solving the problem by using algebra. Let x be the number of games Moe played. Then, since Meeny and Miny played 17 and 35 games respectively, the total number of games played is 17 + 35 + x = x + 52.
We know that in the second game and on, the one who sat out the preceding game would replace the loser of that game. Therefore, the number of games played by Moe is one less than the number of games played by Meeny and Miny combined.
x = (17 + 35) - 1 = 51.
So, Moe played 51 games.
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The complete question is -
Meeny, Miny and Moe were playing tennis. From the second game on, the one who sat out the preceding game would replace the loser of that game. In the end, Meeny played 17 games and Miny played 35 games. How many games did Moe play?
B is the midpoint of segment AC. D is the midpoint of segment CE and AE =27. Find BD
Answer:
Dude sorry I’d undo
Step-by-step explanation:
Please forgive me
For mutually exclusive events A and B, P(A)=0.17 and
P(B)=0.32.
Find P(A|B).
The probability of event A given event B, denoted as P(A|B), can be calculated using the formula: P(A|B) = P(A ∩ B) / P(B). Since events A and B are mutually exclusive, meaning they cannot occur at the same time, P(A ∩ B) is equal to 0. Therefore, P(A|B) = 0 / 0.32 = 0.
Mutually exclusive events are events that cannot happen at the same time. If A and B are mutually exclusive, then the probability of both A and B occurring together, denoted as P(A ∩ B), is equal to 0. This is because if one event occurs, the other cannot.
To find P(A|B), we need to calculate the probability of event A occurring given that event B has occurred. The formula for conditional probability is P(A|B) = P(A ∩ B) / P(B).
Since P(A ∩ B) is 0 for mutually exclusive events A and B, we have P(A|B) = 0 / P(B). Dividing 0 by any nonzero number gives us 0.
Therefore, the probability of event A given that event B has occurred, P(A|B), is 0.
In simpler terms, if events A and B are mutually exclusive, the occurrence of event B provides no information or influence on the probability of event A happening.
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Which statement is logically equivalent to the following conditional statement?
"If it is a rectangle, then it does not have exactly three sides."
Answer:
If it has exactly three sides, then it is not a rectangle.
Step-by-step explanation:
R ------> non T
is the same as
T ------> non R
If the three sides are equal then it will not be a rectangle will be the logically equivalent statement.
What is a rectangle?A rectangle is a geometrical figure in which opposite sides are equal.
The angle between any two consecutive sides will be 90 degrees.
Area of rectangle = length × width.
Perimeter of rectangle = 2( length + width).
In a rectangle opposite sides are equal but if the three sides are equal then it will become a square rather than a rectangle.
So, If the three sides are equal then it will not be a rectangle and it will be equivalent to the given statement.
Hence "If the three sides are equal then it will not be a rectangle will be the logically equivalent statement".
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Air is being pumped into a spherical balloon at the rate of 7 cm³/sec. What is the rate of change of the radius at the instant the volume equals 36n cm³ ? The volume of the sphere 47 [7] of radius r is ³.
the rate of change of the radius at the instant the volume equals 36π cm³ is 7 / (36π) cm/sec.
The volume V of a sphere with radius r is given by the formula V = (4/3)πr³. We are given that the rate of change of the volume is 7 cm³/sec. Differentiating the volume formula with respect to time, we get dV/dt =(4/3)π(3r²)(dr/dt), where dr/dt represents the rate of change of the radius with respect to time.
We are looking for the rate of change of the radius, dr/dt, when the volume equals 36π cm³. Substituting the values into the equation, we have: 7 = (4/3)π(3r²)(dr/dt)
7 = 4πr²(dr/dt) To find dr/dt, we rearrange the equation: (dr/dt) = 7 / (4πr²) Now, we can substitute the volume V = 36π cm³ and solve for the radius r: 36π = (4/3)πr³
36 = (4/3)r³
27 = r³
r = 3 Substituting r = 3 into the equation for dr/dt, we get: (dr/dt) = 7 / (4π(3)²)
(dr/dt) = 7 / (4π(9))
(dr/dt) = 7 / (36π)
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in the diagram below , the measure of arc SQ is 160 degrees and the measure of arc PR is 102 degrees . find the value of x .
Given:
The measure of angle of arrc SQ is 160°.
The measure of angle of arc PR is 102°.
The objective is to find the measure of angle x.
Since, the angle x is away from te center of the circle.
Then, the formula to find the value of angle x is,
\(x=\frac{PR+SQ}{2}\)Now, substitute the given values in the above formula.
\(\begin{gathered} x=\frac{102+160}{2} \\ =\frac{262}{2} \\ =131\degree \end{gathered}\)Hence, the value of x is 131°.
If $5000 is deposited at the beginning of every six months into an account that earns 8% compounded semiannually find the amount after 10 years
Answer:
Step-by-step explanation:
This is a geometric sum
s=a(r^n-1)/(r-1), here a=5000, n=20, r=1.04
s=5000(1.04^20-1)/(0.04)
s=$148890.39
Please help as fast as you can
Answer:
52°
Step-by-step explanation:
it should always add up to 180°
Now, determine whether the relationship between the two triangles you found in the first task is true for any two triangles. For any line, if you draw two right triangles using the line as the hypotenuse, can the triangles be congruent? Why or why not? Do they have to be congruent? Why or why not?
Answer:
The two triangles are not congruent.
Step-by-step explanation:
If two right triangles are drawn with a line as hypotenuse, the two triangles are not congruent. Because as per RHS congruency ie Right Angle - Hypotenuse - Side : right angle, hypotenuse & also one other side equality is needed for congruence. Given case doesn't satisfy the last 'other side equality' condition.
Answer:
h
Step-by-step explanation: