All categories

3 years ago

. -5, 10, 7, 10, 9, 0, 1, 9, -1, 5 Work out the mean.

Mathematics

1 answer:

bezimeni [28]3 years ago

4 0

Answer:

Step-by-step explanation: because its online

You might be interested in

Arman needs 4 1/2 inches of cable to make A, 3 3/4 inches to make B, and 5 1/8 inches to make C. He used a 12-inch piece of cabl

Slav-nsk [51]

Answer:

1/15

Step-by-step explanation:

jdndmsnx

7 0

3 years ago

Read 2 more answers

skelet666 [1.2K]

Answer:

option D. 126 cm

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

In this problem

Triangles PQR and XYZ are similar by AA Similarity Theorem

$\frac{XY}{PQ}=\frac{YZ}{QR}=\frac{XZ}{PR}$

Let

z ---> the scale factor

$z=\frac{XY}{PQ}$

substitute the given values

$z=\frac{30}{5}=6$

step 2

Find the perimeter of triangle XYZ

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z ----> the scale factor

p_1 ----> the perimeter of triangle XYZ

p_2 ---> the perimeter of triangle PQR

$z=\frac{p_1}{p_2}$

The perimeter of triangle PQR is

$p_2=5+10+6=21\ cm$

we have

$z=6\\p_2=21\ cm$

substitute

$6=\frac{p_1}{21}$

$p_1=6(21)=126\ cm$

therefore

The perimeter of triangle XYZ is 126 cm

5 0

3 years ago

write a equation for the vertical and horizonal lines passing through the points (4,1) I know x=4 and y=1 but what eles do I do?

Harlamova29_29 [7]

Well you solve the equation then find out what you dealing with

6 0

3 years ago

Please HELP!!!!<br> will give brainliest!!

Temka [501]

Answer:

Original equation:

y = a sin(b(θ -c)) + d

a = vertical dilation (stretch) of the amplitude

b = horizontal compression (shrink) of the period

c = horizontal shift (left/right)

d = vertical shift (up/down)

Your function is:

y = 3 sin(3θ + π) - 2

First, put it into the general from by factoring out the three in the argument of the sine:

y = 3 sin(3(θ + π/3)) - 2

a = vertical (amplitude) dilation = 3

b = horizontal (period) compression = 2π/period = 3

c = horizontal shift = π/3 to the left

d = vertical shift = -2

6 0

2 years ago

These two lines are parallel Write an equation for each line

Snowcat [4.5K]

Answer:

Y=3/4x-3

Y=3/4x

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers