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3 years ago

15

Combine the like terms: 4y + y + y

2 answers:

bekas [8.4K]3 years ago

8 0

Answer: 6Y

Step-by-step explanation: 4 + 1 + 1 = 6

vovikov84 [41]3 years ago

3 0

Answer:

$\huge \boxed{6y}$

Step-by-step explanation:

$4y+y+y$

Rewriting y as 1y.

$4y+1y+1y$

Factoring out y.

$(4+1+1)y$

Adding the numbers.

$(6)y$

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Divide each of the following by 10, 100, and 1000: 67.8, 456.8, 531.20.

Inessa05 [86]

67.8: 6.78, 0.678, 0.0677
456.8: 45.68, 4.568, 0.4568
531.20: 53.12, 5.312, 0.5312
The pattern here is that the number of 0s there are in the digit of whatever you are dividing by, that is how many places you move the decimal place to the right. For example, by dividing 67.8 by 100, the decimal place has been moved 2 places to the right, resulting in the number 0.678

6 0

4 years ago

How.many grams equals 25 killograms

34kurt

Answer:

Step-by-step explanation:

1 kilogram = 1000 grams

since we need to know 25 kilograms you can do

25 x 1000

giving us 25,000

4 0

3 years ago

Read 2 more answers

Find a real number between -√9 and √25.<br> a.-4<br> b.1<br> c.-5<br> d.6

Aleonysh [2.5K]

Answer:

-5 is the answer

Step-by-step explanation:

c is the answer

3 0

3 years ago

Read 2 more answers

Which pair shows equivalent expressions?

Dmitry_Shevchenko [17]

Which pair shows equivalent expressions?

A.2(2/5x + 2)=2 2/5x + 1

B.2(2/5x + 2)=4/5x + 4

C.2(2/5x + 4)=4/5x + 2

D.2(2/5x + 4)=2 2/5x + 8

Solution:

$2(\frac{2}{5}x + 2)$

Let us distribute 2 inside the parenthesis.

That is, we use distributive property:

a(b+c)=ab+ac

$2(\frac{2}{5}x + 2) =\frac{2*2}{5}x+2*2$

So, $2(\frac{2}{5}x + 2) =\frac{4}{5}x+4$

Answer:Option (b)

$2(\frac{2}{5}x+4)$

Applying distributive property, a(b+c)=ab+ac

$2(\frac{2}{5}x+4) =2*\frac{2}{5} x+2*4$

$2(\frac{2}{5}x+4) =\frac{2*2}{5} x+2*4$

$2(\frac{2}{5}x+4) =\frac{4}{5} x+8$

So, Option (B) is correct.

8 0

3 years ago

Read 2 more answers

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

3 years ago