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dedylja [7]
3 years ago
9

Find the mean of the following scores on a math test: 73, 54, 73, 93, 54 Round to the nearest whole number if necessary

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Hey!


To find mean, add all the numbers and divide by how many numbers there are.


73 + 54 + 73 + 93 + 54 = 347


There are 5 numbers. Divide 347 by 5


347 \div 5 = 69.4


<em>That means the mean is 69.4</em>


\framebox{Mean = 69.4}

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Which calculations perform on the calculator will yelled in answer that is approximately the same as 76 ÷ 19/25? Check all that
Zinaida [17]

first:76 ÷ 19/25=100

a:80 / 20 * 1 / 25 =0.16

b:80 * 5/4 =100

c:80 / 5 ÷ 1 / 4 =64

d:80 * 5/4 =100

e:80 * 4/5 ​=64

So I think both B and D should be the right answer

6 0
3 years ago
Solve the system of equations. -5x+2y=9. y=7x
il63 [147K]

- 5x + 2y = 9 \\ y = 7x \\  \\  - 5x + 2 \times 7x = 9 \\  - 5x + 14x = 9 \\ 9x = 9 \\ x = 1 \\  \\ y = 7 \times 1 = 7 \\

Answer: (1; 7)

7 0
2 years ago
What is the surface area of a sphere with a volume of 3680 cubic centimeters?
dedylja [7]
The surface area will be 456.2 to the second power
7 0
3 years ago
Which transformation will map figure Honto figure H? (1 point)
podryga [215]

Answer:

2) Vertical translation of 10 units

Step-by-step explanation:

Given

H and H'

Required

Which maps H to H'

First, we pick the coordinate of any point on H

H(x,y) = (4,2)

First, we pick a corresponding coordinate on H'

H'(x,y) = (4,-8)

The above coordinates show that H and H' are not a reflection of one another because neither of the x or y coordinates negate one another.

By looking at the coordinates of H and H, we have:

H: x = 2 and H':x = 2 ---  The same x coordinates

H: y = 2 and H': y = -8 --- Different y coordinates

The difference between the y coordinates is:

Difference  = H(x) - H'(x)

Difference  = H(2) - H'(2)

Difference  = 2 - (-8)

Difference  = 2 +8

Difference  = 10

Hence,

<em>2) Vertical translation of 10 units </em> is correct.

3 0
3 years ago
4. = 38 -8(n-1), n=1, 2, 3...
stepladder [879]

Answer:

38-8\left(n-1\right),\:n=123:\quad -938

\mathrm{For}\:38-8\left(n-1\right)\:\mathrm{substitute}\:n\space\mathrm{\:with\:}\space123

38-8(123-1)= -938

-938

Step-by-step explanation:

5 0
2 years ago
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