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Vera_Pavlovna [14]
3 years ago
13

Factor 30-20 using gcf

Mathematics
2 answers:
vazorg [7]3 years ago
8 0
The answer to your question would be 10
expeople1 [14]3 years ago
3 0

Answer: 10

Step-by-step explanation:

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Help help area and perimeter
natita [175]

Answer:

Perimeter= 49

area= 360

Step-by-step explanation:

perimeter means you need to add 40+9 and area means you must multiple the numbers.

4 0
2 years ago
Valentino wants to estimate the product (5.2)(9.9). Which expression shows each factor rounded to the nearest whole
vovikov84 [41]

Answer:

it is (6)(10)

Step-by-step explanation:

I just took the edgenuity  test so I know

5 0
3 years ago
PLEASE HELP ASAP WILLL MARK BRANLIEST TO WHOEVER ANSWERS CORRECTLY FIRST 20 PTS
DedPeter [7]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Need help please and thanks​
madreJ [45]

Answer:

2. n = 11

4. g = -2

6. t = 21

8. n = 4

10. y = -1

Step-by-step explanation:

2. 63  = -3(1 - 2n)

Dividing both the side by negative 3 we get

-21=1-2n\\2n=1+21\\2n=22\\n=\frac{22}{2} \\\therefore n=11

4. -g + 2(3 + g) = -4(g + 1)

First we will open the bracket by distributive property A( B +C) = AB + AC

-g+2\times 3 + 2\times g = -4\times g + -4\times 1\\-g+6+ 2g=-4g-4\\\textrm{we will take all the g term the left side and the constant to the right side}\\4g-g+2g=-6-4\\5g=-10\\g=\frac{-10}{5}\\\therefore g=-2

6.-3(t +5 ) + (4t + 2) = 8

Using distributive property A( B +C) = AB + AC we get

-3\times t + -3\times 5 + 4t + 2=8\\-3t-15+ 4t + 2=8\\t=8+15-2\\t=21\\\therefore t=21\\

8. -8 - n = -3(2n -4)

Using distributive property A( B +C) = AB + AC we get

-8 - n = -3\times 2n - -3\times4\\-8-n=-6n+12\\\textrm{all the n terms to the left inside and the constant of the right-hand side}\\6n-n=8+12\\5n=20\\n=\frac{20}{5}\\ \therefore n= 4

10. -4( 2 - y) + 3y = 3(y - 4)

Using distributive property A( B +C) = AB + AC we get

-4\times 2 --4\times y + 3y = 3\times y -3\times 4\\-8+4y+3y =3y-12\\\textrm{all the y terms to the left side and the constant to the right side}\\4y+3y-3y=-12+8\\4y=-4\\y=\frac{-4}{4}\\ \therefore y=-1

7 0
3 years ago
Find the mean of the rainfall amounts .
anygoal [31]

Answer:

2.25 inches

Step-by-step explanation:

The mean, or the average, or the rainfall amounts, can be found by adding all of the amounts together and dividing by the number of amounts. In this case, \frac{3+2+1+3}{4}=\frac{9}{4}=2.25. Hope this helps!

6 0
3 years ago
Read 2 more answers
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