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3 years ago

Solve 7x + 6 < 3(x - 2).

Mathematics

1 answer:

slava [35]3 years ago

7 0

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Please help im giving 95 points

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A. How many amoebas are there after 1 hour

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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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3 years ago

What's the sum of b and 4?

jarptica [38.1K]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

How can I simplify these?

Schach [20]

Well the square root of 72 is 8.485 and the square root of 45 is 6.708. hope this helps :)

5 0

3 years ago

I cant figure this out, please help

meriva

Multiply by distribution:

6x³ - 6x² - 12x - 18x² + 18x + 36

Combine like terms:

6x³ - 24x² + 6x + 36

The correct choice is the first choice.

4 0

3 years ago