3 years ago

How do i solve the expression 140 - (13 - 3) to the power of 2 + 3 × 2 to the power of 3

Mathematics

1 answer:

kramer3 years ago

4 0

I'm new here so I have a comment for question cause I'm having problems with that same question

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The scale for a drawing of a barn is 1/2inch = 4 feet. If a pole in the drawing measures 2 1/2 inches, how tall is the actual po

Alexxx [7]

Answer:

20 feet

Step-by-step explanation:

1/2" = 4 feet

1" = 8 feet

2" = 16 feet

2 1/2" = 20 feet

5 0

2 years ago

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How do i complete this assignment?

Tom [10]

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3 years ago

Which is f(5) for the function -2x2 + 2x - 3?

Schach [20]

The value of f(5) is -37

Solution:

Given function is:

$f(x) = -2x^2+2x+3$

We have to find the value of f(5)

To find the value of f(5), we have to substitute x is equal to 5 in given function

Plug in x = 5 in f(x)

$f(x) = -2x^2+2x+3\\\\f(5) = -2(5)^2+2(5) + 3\\\\\text{Simplify the above expression }\\\\f(5) = -2(25) + 10 + 3\\\\\text{Solve the above expression }\\\\f(5) = -50 + 10 + 3\\\\f(5) = -40 + 3 = -37$

Thus value of f(5) is -37

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3 years ago

What’s the solution of 2 plus 2

egoroff_w [7]

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Step-by-step explanation: 2 + 2 = 4

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3 years ago

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Eighteen subtracted from half a number is 38. Find the number.

Andrews [41]

Answer:

x=112

Step-by-step explanation:

x/2-18=38

first add +18

x/2=56

now multiply by 2

x=112

6 0

4 years ago