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Julli [10]
3 years ago
5

Solve each equation. Check your solution. A) -6a=36 B) -9d=-72

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0
A) -6a = 36

Divide both sides by -6 so that (a) is isolated.

a = -6

Check by plugging in -6 for a.

-6a=36

-6(-6)=36

36=36

So, a=-6

B) -9d=-72

Divide both sides by -9.

d = -72/-9

d = 8

Check work by plugging in 8 for d.

-9d=-72

-9(8)=-72

-72=-72

So, d=8

~Hope I helped!~
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A scale model of a building is 3 inches tall. If the building is 90 feet tall, find the scale of the model.
olganol [36]

The scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

<h3>Scaling of measurement</h3>

Scaling is the way of enlarging or reducing the image of an object.

Given scale model of a building is 3 inches, if the building is 90feet tall, to write the scale;

Convert both measures to same units

Since 1 feet. = 12 in

90 feet = 90/12 in = 7.5 in

Take the ratio

3 : 7.5 = 30: 75

Reduce to lowest term

30: 75 = 2 : 5

Hence the scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

Learn more on scale model here: brainly.com/question/261465

#SPJ1

7 0
2 years ago
If the expression 3x+10 is equal to 6 for some value of x, then what is the value of 3x+2 equal to for the same value of x ?
Murrr4er [49]

Answer:

149

Step-by-step explanation:

If the expression 3x+10 is equal to 6 for some value of x, then what is the value of 3x+2 equal to for the same value of x ?

8 0
3 years ago
Someone please help me will give BRAILIEST!!!!!!
asambeis [7]
The answer to this problem is  2/5
6 0
3 years ago
Read 2 more answers
Can you use the standard Algorithm To Solve 682x25
Vlad1618 [11]

Answer:

The standard algorithm is a way of doing multiplication by using partial products or multiplying in parts. What you do with this algorithm is multiply the top number by the bottom number one digit at a time, working your way from right to left.

the answer to 682x25 would be 17,050 but i explained how you would figure out wether you ca use standard algorithm.

hope this helps : ) :/

3 0
3 years ago
20 =4n what is my answer
kotykmax [81]

Answer:

n = 5

Step-by-step explanation:

divide 4 to both sides.

n = 5

Hope this helped (:

3 0
3 years ago
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