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-BARSIC- [3]
3 years ago
8

F(x)=-3x^2+4x+4 G(x)=x(-7x-7) Which expression is equal to f(x)+g(x)

Mathematics
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

A

Step-by-step explanation:

f(x)+g(x)=-3x^2+4x+4+x(-7x-7)= -3x^2+4x+4 -7^2-7x

= -10x^2-3x+4

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Please help. thank you :)
Zina [86]

Answer:A

Step-by-step explanation: your answer is A

5 0
3 years ago
What are the answers since I’m confused an all over the place
dalvyx [7]
3 squares = 4 circles, so (number of squares)/(number of circles) = 3/4.
3/4 = 12/16
:::::
4 squares = 2 circles, so (number of squares)/(number of circles) = 4/2.
4/2 = 2/1
:::::
2 squares = 5 circles, so (number of squares)/(number of circles) = 2/5.
2/5 = 4/10

7 0
2 years ago
Work out the lengths of b of 17cm and 12cm pythagoras
natima [27]

Answer:

hypotenuse =  \sqrt{ {17}^{2}  +  {12}^{2} }  \\  =  \sqrt{289 + 144 }  \\  =  \sqrt{433}

5 0
2 years ago
The function C=120+.20m represents the cost see in dollars of renting a car after driving miles how many miles would a customer
faust18 [17]

Customer have to drive 100 miles for cost to be equal to $140

<u>Solution:</u>

Given function is as follows

C = 120 + 0.20m  

Where "C" represents cost in dollar of renting a car and "m" represents number of miles.

If we see the given equation, we can say that fixed cost is 120 and variable cost is 0.20m which is dependent on number of miles car is driven.

We need to calculate number of miles so that total cost that is C = $140

On substituting C = $140 in given function, we get

140 = 120 + 0.20m

On Solving above equation for m we get

140 – 120 = 0.20m

=> 20 = 0.20m

=> m = \frac{20}{0.20} = 100 miles

Hence customer have to drive 100 miles for  cost to be equal to $140.

4 0
3 years ago
What is the remainder when 7x^2- x^3is divided by x - 8?
White raven [17]

Answer:

The remainder is -64

Step-by-step explanation:

Given

7x^2 - x^3

Divided by x - 8

Required

Determine the remainder

Equate x - 8 to 0

x - 8 = 0

Solve for x

x = 8

Using remainder theorem, substitute 8 for x in 7x^2 - x^3

So, we have:

7 * 8^2 - 8^3

Evaluate all exponents

7 * 64 - 512

448 - 512

-64

3 0
2 years ago
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