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zmey [24]
3 years ago
11

Help please! I’ll give brainliest!

Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0

Answer:the last one

Step-by-step explanation:

dmitriy555 [2]3 years ago
6 0

Answer:

its the 3rd option

Step-by-step explanation:

because for every 3 hours that go buy 21 sandwhiches are sold.

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Divide 9 by w, then subtract v from the result
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Answer:

9/w=x(your result)

x-v=( your final answer )

Please mark my answer as brainliest

Step-by-step explanation:


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Solve for y <br> 8x-9y=11
elena55 [62]
The answer is y = 8/9x + -11/9
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Question 10 (1 point)
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Fixed expense because
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3 years ago
If f(x) = x2 + 1 and g(x) = x – 4, which value is equivalent to mc024-1.jpg?
Harrizon [31]
The complete question in the attached figure

we have that
f(x) = x²<span> + 1
g(x) = x – 4

step 1
find </span>(f o g)(x)
(f o g)(x)= (x - 4)² + 1(f o g)(x) = x² - 8x + 16 + 1
(f o g)(x) = x² - 8x + 17

step 2
find (f o g)(10)
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(f o g)(10 = 100 - 80 + 17
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the answer is 37


4 0
3 years ago
Read 2 more answers
Solve the equations below. Give exact solutions only. Show your work.
kolbaska11 [484]

Answer:

A. 5x² - 7 - 72 = 0

5x² - 79 = 0

x = ± √-4ac / 2a

x = ± √- 4 (5) (-79) / 2 (5)

x = ± √ 1580 / 10

x = ± 39.749/10

x = + 39.749/10 x = -39.749/10

= 3.9749 = - 3.9749

B. x² + 2x - 5 = 0

x = - b ± √b² - 4ac / 2a

= - 2 ± √2² - 4 (1) (-5) / 2 (1)

= - 2 ± √4 + 20 / 2

= - 2 ± √ 24 / 2

x = - 2 + 4.898 /2 x = - 2 - 4.898 / 2

= 2.898/2 = -6.898/2

= 1.449 = - 3.449

C. 3x² + 2x - 4 = 0

x = - b ± √b² - 4ac / 2a

= - 2 ± √2² - 4 (3) (-4) / 2 (3)

= - 2 ± √4 + 48 / 6

= - 2 ± √ 52 / 6

x = - 2 + 7.211 /6 x = - 2 - 7.211 / 6

= 5.211/6 = - 9.211 /6

= 0.869 = - 1.535

Hope that helps

Please to re-check answers

5 0
3 years ago
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