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stepladder [879]
3 years ago
5

What is the value of 4p-2,when p=8

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0

4(p)-2, since p is 2, then substitute 2 for p in the expression. Therefore 4(2)-2= 32-2=30.

Cerrena [4.2K]3 years ago
4 0
First you do 4×8= 32 then subtract the 2

p=30
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krista bought 6 gallons of gasoline and paid $6.89. to the nearest tenth of a cent, what is the price of gasoline per gallon
Nonamiya [84]
$6.89 / 6 = $1.14

So the price of gasoline per gallon is $1.14.

Hope this Helps!!
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3 years ago
Please help me on #2! Could you also check the other numbers! Thank you so much!
alexira [117]

Dani is correct. The equation can be written as y = 3x+50, which is a linear equation in the form y = mx+b. We have m = 3 as the slope and b = 50 as the y intercept

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x is the number of square feet, y is the total cost in dollars

3*x or 3x repesents multiplying the cost per square foot ($3) by the number of square feet (x). For example, if you have 10 sq ft, then so far the cost would be 3*x = 3*10 = 30 dollars.

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8 0
3 years ago
Need quick phone 1%.
Contact [7]

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5 0
3 years ago
Read 2 more answers
Using the equation ŷ = 5.4 + 1.7x, what is the predicted value if x is 1.2?
sergeinik [125]

Answer:

Using the equation ŷ = 5.4 + 1.7x, we can say that if x is 1.2, the predicted value will be 7.44.

Step-by-step explanation:

y=5.4+1.7(1.2)

Multiply 1.7 and 1.2 to get 2.04.

y=5.4+2.04

Add 5.4 and 2.04 to get 7.44.

y=7.44

There you go!

(Sources cited from Microsoft Math Solver.)

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3 years ago
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