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Reptile [31]
3 years ago
14

The function f(x) = 4x + 10 models the amount of money Francis makes when babysitting for x hours. How much money will he make

Mathematics
1 answer:
natulia [17]3 years ago
6 0

Answer:

18

Step-by-step explanation:

You plug in 2 hours as your x value. You get 4(2) + 10 = 18.

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Which values are solutions to the inequality below? . . Check all that apply.. . x2 > 49. .
Marianna [84]
   
x^2 \ \textgreater \  49 \\  \\ 
x_{1,2} =  \pm \sqrt{49}  = \pm 7 \\  \\ 
\boxed{x \in (-\infty, ~-7)\bigcup (7,~ +\infty) }



6 0
3 years ago
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I need help I don't know what to do! ( / is a fraction bar!!)
kari74 [83]
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3 years ago
Giving brainliest !! *easy*
Zepler [3.9K]

Answer: 49

Step-by-step explanation:

The missing constant term in the perfect square is 49.

x^2 + 14x + 49

We need a squart root of something to make the factor add up equal to 14x. If it's a perfect square, we could divide 14 by 2, 14/2 = 7, and we multiply 7^2, we get 49, which is a perfect square.

4 0
2 years ago
What is the length of XQY?
yulyashka [42]

Answer:

88

Step-by-step explanation:

First you must find the circumference of the entire circle and to do this you use 2πr. The radius in this case is PX=15. This means that the circumference is 30π. Now to find the arc length, we know that the measure of arc XY is 23 degrees, and since there are 360 total degrees in a circle, we must subtract 23 from 360 to get 337° as the measure of arc XQY. Now we have to find what portion of the circumference of the circle is in this arc, and to do this you divide the arc length (337°) by 360° and multiply by the circumference of the circle. Doing this would get you \frac{337}{360} *30\pi which equals ~28. Finally, you have to multiply this by the value of pi and get approximately 88, which is your answer.

3 0
3 years ago
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Rook buys a shirt from the mall because he has a 25% off coupon. The shirt originally coats $55. Write two expressions to repres
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One expression:  0.75 x 55
another expression: (100% - 25%) x 55
4 0
3 years ago
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