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3 years ago

I need help with number 5

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

5 0

Answer:

100.34÷2.9=34.6

Step-by-step explanation:

You will need to move the decimal point to the right one place

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What is 6X + 9 + 2x

alukav5142 [94]

Answer:

8x + 9

Step-by-step explanation:

Combine 6x and 2x since they are "like variables" meaning they both contain an x, and write in standard form ax + bx + c

6 0

3 years ago

PLEASE HELP: The mass of a ball is 128 g. It has a density of 0.5 g/cm³. What is the volume of the ball? Show your work and plac

tiny-mole [99]

Answer:

Part 1) The volume of the ball is 256 cm³

Part 2) The radius of the ball is 3.94 cm

Step-by-step explanation:

Part 1) we know that

The density is equal to divide the mass by the volume

D=m/V

Solve for the volume

The volume is equal to divide the mass by the density

V=m/D

In this problem we have

m=128 g

D=0.5 g/cm³

substitute

V=128/0.5=256 cm³

Part 2) what is the radius of the ball?

we know that

The volume of the sphere (ball) is equal to

$V=\frac{4}{3}\pi r^{3}$

we have

$V=256\ cm^{3}$

assume

$\pi =3.14$

substitute and solve for r

$256=\frac{4}{3}(3.14)r^{3}$

$768=(12.56)r^{3}$

$r^{3}=768/(12.56)$

$r=3.94\ cm$

7 0

2 years ago

What do a parallelogram and kite have in common?

grigory [225]

They both have 4 congruent sides and angles.

4 0

3 years ago

(50 POINTS)

irakobra [83]

answer is attached below

3 0

3 years ago

Use the distributive property to simplify the expression below:

Lorico [155]

4x + 2x + 2
= 6x + 2

So the answer is B

8 0

3 years ago

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