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2 years ago

37.7in

Mathematics

1 answer:

ICE Princess25 [194]2 years ago

8 0

Answer:

Rewrite the question correctly! it's totally absurd

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What percent of 20 is 10

Soloha48 [4]

Answer:

50%

Step-by-step explanation:

cause 50% is 1/2 and 1/2 of 20 is 10

7 0

2 years ago

Which of the following describes the graph of y = x² - 225?

lara [203]

Answer:

option 4. The graph has zeroes at x = 15 an x = -15 and it opens upward.

Step-by-step explanation:

we have

$y=x^{2} -225$

This is the equation of a vertical parabola open upward (the leading coefficient is positive)

The vertex represent a minimum

The vertex is the point (0,-225)

The axis of symmetry is x=0 (y-axis)

Find the x-intercepts (values of x when the value of y is equal to zero)

For y=0

$0=x^{2} -225\\x^2=225$

square root both sides

$x=\pm15$

therefore

The graph has zeroes at x = 15 an x = -15 and it opens upward.

3 0

2 years ago

Janet, an experienced shipping clerk, can fill a certain order in 7 hours. Jim, a new clerk, needs 9 hours to do the same job.

fiasKO [112]

Answer:

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3 0

2 years ago

Please Help me with these 2 questions!!

qaws [65]

Answer:

3) Parabola

4) $y = 5x^2 + 7$ and $y = \frac{10}{x} +20$

4 0

1 year ago

Read 2 more answers

The radius of a semicircle is extended by 6 inches.how does the measure of the semicircles arc length change?

vivado [14]

Let x be the original radius. Given that a semicircle will have an arc length of half of a circumference and C=2pr, the arc length will be just pr.

Now the difference of arc is then going to be:

p(6+x)-px

p(6+x-x)

6p inches

So the arc will be 6p inches longer. Or if you wish to approximate...

≈18.85 inches

7 0

3 years ago