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REY [17]
2 years ago
14

What operation would you use to solve: x+7=10

Mathematics
2 answers:
djyliett [7]2 years ago
5 0

Answer:

x=3

Step-by-step explanation:

x+7=10

x+7-7=10-7

x=3

Murljashka [212]2 years ago
5 0

Answer:

You would use subtraction

Step-by-step explanation:

To get 7 away, you need to subtract it

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Something that I’m not sure how to answer f(x) 16362
8 0
3 years ago
The market price of a house is directly proportional to the total area of the house in square feet. If the price of a 1,500 squa
IrinaK [193]

Answer:

The price of a 2,000 square foot home is \$400,000

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Let

x -----> the total area of the house in square feet

y -----> the price of the house

we have

The point (1,500,300,000)

Find the constant of proportionality k

k=y/x

substitute

k=300,000/1,500=200

The direct equation is equal to

y=200x

so

For x=2,000\ ft^{2}

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substitute the value of x in the equation

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5 0
3 years ago
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Lilit [14]
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3 years ago
Micheal wants to find the length of a shadow of a tree. He measures the height of a fence post and the length of the shadow it c
Arlecino [84]
Im pretty sure the answer is 92.0 becauese 
if you do 10.5x3.5                                                                                                5x5=25                                                                                                                5x0+2=7                                                                                                              5x1=5 so that will be 57.5 then your going to do                                                3x5=15                                                                                                                3x0+1=4                                                                                                           3x1=3  that equals 34.5 then your going to add                          57.5                                                                                                                 +34.5
= 92.0
7 0
3 years ago
A developer was buying land. He bought 4 acres at $1,863 per acre. He then spilt the land he purchased into 9 lots. How much sho
Tpy6a [65]

Answer:

$1862 ÷9=$207(each lot)

$207 ×4=$828

5 0
3 years ago
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