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2 years ago

Https://brainly.com/question/19057122 HELP WITH THIS MATH COPY AND PASTE

Mathematics

1 answer:

Alexandra [31]2 years ago

3 0

Answer:

will i get brainliest if i know the awsner

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Which expression is equivalent to

Maksim231197 [3]

Answer:

Step-by-step explanation:

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3 years ago

PLEASE HELP STAT WILL MARK BRAINLIEST.

Marina CMI [18]

Answer:

19.5

Step-by-step explanation:

78 divided by 4

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3 years ago

Find the value of x if A, B, and C are collinear points and B is between A and C.

marin [14]

By segment addition rule AB + BC = AC
3x + 2x - 7 = 2x + 35
3x = 42
x = 1 4
CHECK
3(14) = 42
2(14)-7= 21
-------------------
2(14)+ 35= 63

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3 years ago

A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2

dlinn [17]

Answer:

The surface area of the second cylinder is equal to $9.33\ m^{2}$

Step-by-step explanation:

we know that

If two figures are similar then

the ratio of their surfaces areas is equal to the scale factor squared

Let

z-------> the scale factor

x------> the surface area of the smaller cylinder (second cylinder)

y-------> the surface area of the original cylinder (first cylinder)

$z^{2}=\frac{x}{y}$

Step 1

Find the scale factor

$z=\frac{2}{6}=\frac{1}{3}$

Step 2

Find the surface area of the second cylinder

we have

$z=\frac{1}{3}$

$y=84\ m^{2}$

substitute and solve for x

$(\frac{1}{3})^{2}=\frac{x}{84}$

$x=\frac{1}{9}*84=9.33\ m^{2}$

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2 years ago

The sum of the measures of the angles of any triangle is 180 degrees. In triangle ABC, angles A and B have the same measure, whi

olasank [31]

Step-by-step explanation:

is 45

is 90

hence

A+B+C=180

=45+45+90 =180

3 0

3 years ago