2 years ago

Please view the picture below

Mathematics

2 answers:

sweet-ann [11.9K]2 years ago

7 0

The answer is D dhdhjshdhdbdbd

cricket20 [7]2 years ago

3 0

the answer is D (i think i'm sorry if i get u wrong)

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<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D%20%2B5x%2B2" id="TexFormula1" title="2x^{2} +5x+2" alt="2x^{2} +5x+2" align="absm

Allushta [10]

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Step-by-step explanation:

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2 years ago

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2 years ago

If f(x) = 8x2 + 4x - 12. Find f(2)<br> f(2)=

posledela

Answer:

f(2) = 28

Step-by-step explanation:

$\rm f(x) = 8 {x}^{2} + 4x - 12$

$\rm Evaluate \: 8 x^2 + 4 x - 12 \: where \: x = 2: \\ \\ \rm \implies f(2) = 8 \times {2}^{2} + 4 \times 2 - 12 \\ \\ \rm \implies f(2) = 8 \times 4 + 8 - 12 \\ \\ \rm \implies f(2) = 32 - 4 \\ \\ \rm \implies f(2) = 28$

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2 years ago

one moving company charges $800 plus $16 per hour another moving company charges $720 plus $21 an hour at what number of hours w

Gekata [30.6K]

800 + 16x = 720 + 21x. Cancel out the 720 to get 80 + 16x = 21x. Subtract 16x from both sides to get 80 = 5x. Divide by 5 to get 16 = x, or x = 16. 16 hours. The charge is 800 + 16(16), = 720 + 21(16) which = 800 + 256 = 720 + 336 which = 1,056 = 1,056. Hope this helped!

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Step-by-step explanation:

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