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Zielflug [23.3K]
3 years ago
7

4x^2 + 3 ( 3 - 3x^2)

Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0

-5x^2(small two at top ) +9

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Evaluate <br> g(4): g(x)=8x^2+9x-7<br><br> A. 121<br> B. 135<br> C. 154<br> D. 157
inn [45]
The answer is:  [D]:  " 157" .
________________________________________________________
Explanation:
______________________________________________________

 g(x) = 8x² + 9x − 7 ;

 g(4) = 8(4²) + 9(4) <span>− 7 ;
</span>
        = 8(4*4) + 36 <span>− 7 ;
</span>
        = 8(16) + 36 <span>− 7 ;
</span>
        = 128 + 36 <span>− 7 ;
</span>
        = 164 − 7 ;

       =  <span>157 .</span>
_______________________________________________________
The answer is:  [D]:  " 157" .
_______________________________________________________
7 0
4 years ago
What is the perimeter of the triangle?​
yulyashka [42]

i am edditing my post because i got the answer wrong

6 0
3 years ago
Josiah traveled 79.5 miles on 3 gallons of gasoline. At this rate, how many gallons of gasoline would he need to travel 265 mile
BigorU [14]
Josiah would need 10 gallons to travel 265 miles.

First we divide 79.5 by 3 to find out how many gallons are needed for one mile.

79.5/3=26.5

For one mile we need 26.5 gallons of gas.

Now we will divide 265 by 26.5 to find the answer to the problem.

265/26.5=10

Josiah will need 10 gallons of gas to travel 265 miles
7 0
3 years ago
Read 2 more answers
Which ordered pair is a solution of the equation?<br> -4r +7= 2y - 3
Mars2501 [29]

Answer:

y=-8, r= 2. this is your answer

6 0
4 years ago
Joseph built a sandbox in his backyard that is 2 meters wide, 4 meters long, and 2 meters tall. What volume of sand does he need
Wittaler [7]

Answer: B) 16 cubic meters

Step-by-step explanation:

To find the volume of a rectangular prism like this sandbox, multiply the length, height, and width together. 2*2*4 = 16.

4 0
2 years ago
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