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2 years ago

15

PLEASE HELP PLEASE HELP

2 answers:

xenn [34]2 years ago

8 0

Answer: 20:21

Step-by-step explanation: The Greatest Common Factor is 4, 80 divided by 4 is 20 and 84 divided by 4 is 21

Hope this helps

MaRussiya [10]2 years ago

3 0

Answer:

20:21

Step-by-step explanation:

Expressing a number or more in their simplest form simply means expressing them to their lowest terms. You can divide 80:84 with 2 or 4. To make it faster, just divide both by 4 and you'll get 20:21 which is the final answer, no other number can divide 20:21.

I hope this helps.

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Solve please its a test. Best answer gets brainliest

aniked [119]

Answer:

c

Step-by-step explanation:

Area of one triangle = 6*16/2 = 48 cm²

Lateral Surface Area = Are of 4 traiangles = 4*48 = 192 cm²

Area of the bottom square = 6 * 6 = 36 cm²

Total Surface Area = 192 + 36 = 228 cm²

Answer: c

4 0

3 years ago

Carolyn paid a mechanic x dollars per hour for a 5 hour job plus $70 for parts. The total was $320. Which equation can be used t

Maslowich

70+5x=320
5x=250
x=50

The mechanic charged $50 per hour.

6 0

3 years ago

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A shipping box should weigh 1.0 pound. If there is a 5% error on the weight, what is the range of acceptable weight?

gavmur [86]

<span>The acceptable weight would be 22.7 grams. Hope this helps :)</span>

8 0

3 years ago

Read 2 more answers

A triangle with a height of 12

Sidana [21]

The area of a triangle is 1/2*base*height

So make your equation: 1/2*b*12=42

6*b=42

b=7

So the base is 7 inches long

Hope that helped!

6 0

3 years ago

For any circle, which ratio is equal to the number π? Select all that apply.

Elza [17]

Answer:

circumference - diameter

circumference - 2 times radius

area - radius squared

Step-by-step explanation:

we know that

<u><em>The circumference of a circle is equal to</em></u>

$C=\pi D$ or $C=2\pi r$

where

D is the diameter and r is the radius

therefore

$\pi =\frac{C}{D}$ or $\pi =\frac{C}{2r}$

The number pi is the ratio circumference - diameter or is the ratio circumference - 2 times radius

<u><em>The area of the circle is equal to</em></u>

$A=\pi r^{2}$

therefore

$\pi =\frac{A}{r^{2} }$

The number pi is the ratio Area - radius squared

7 0

4 years ago