2 years ago

Aaron solved an inequality and then graphed the solution as shown below.

Mathematics

1 answer:

san4es73 [151]2 years ago

3 0

Answer is the first one im pretty sure

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Explain why 4/10 and 40/100 have unlike denominators but are equivalent fractions

marishachu [46]

4/10 and 4/100 are the same because all you had to do was multiply both the numerator and denominator by 10. It is still the same amount. Hope this helps!

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3 years ago

WhIich of the following mathematical expressions is equivalent to the verbal expression "A number, x, squared is 39 more than th

MrRa [10]

Answer:

E. x^2 = 39 + 10x

Step-by-step explanation:

It helps to do one piece of the sentence at a time.

"A number, x, squared is 39 more than the product of 10 and x"

"A number, x, squared is 39 more than the product of 10 and x"

x^2 =

"A number, x, squared is 39 more than the product of 10 and x"

x^2 = 39 +

"A number, x, squared is 39 more than the product of 10 and x"

x^2 = 39 + 10x

Answer: E. x^2 = 39 + 10x

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3 years ago

Read 2 more answers

100 POINTS!!<br> What is the value of x? Enter your answer in the box.

MakcuM [25]

The answer should be 46

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3 years ago

Please help on problem 14! Thanks!!

pickupchik [31]

2 hours has more the the other so I would say it would be 8

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3 years ago

The path followed by a roller coaster as it climbs up and descends down from a peak can be modeled by a quadratic function, wher

Romashka [77]

Answer:

$y = -0.1x^2 + 250 ft$

Step-by-step explanation:

Because this quadratic equation would have the curve-down form of:

$y = -ax^2 + b$

where a and b are positive coefficient.

If we let the peak (250 ft) of the curve be at x = 0. Then

$y = -a0^2 + b = 250$

$b = 250$

Also at the begins and ends, thats where y = 0, the 2 points are separated by 100 ft. So let the begin at -50 ft and the end at 50ft. We have

$-a(\pm 50)^2 + 250 = 0$

$-a2500 = -250$

$a = 250/2500 = 0.1$

Therefore, the model quadratic equation of our path would be

$y = -0.1x^2 + 250 ft$

8 0

3 years ago