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2 years ago

I need answer to both of the questions please someone!! 20points

Mathematics

2 answers:

diamong [38]2 years ago

8 0

Answer:

Step-by-step explanation:

x+62=90 degree (being perpendicular)

x=90-62

x=28 degree

x+25=90 (being perpendicular)

x=90-25

x=65 degree

elena55 [62]2 years ago

4 0

Answer:

1)X+62 =90

x+62-62=90-62

x =28

2) X+25+90+180 =360

x +295=360

x =360-295

x =65

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Answer:

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Step-by-step explanation:

To find info of a 15 year old male, you look at the Age Group of 14 - 18, beside Male.

The RDA of Iron is given as 11 mg

From a 8 oz glass of grape juice, he gets 0.6 mg.

What percent is 0.6 mg of total 11 mg??

Divide 0.6 by 11 and then multiply by 100 to get the answer. So we have:

$\frac{0.6}{11}=0.0545*100=5.45$

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Q ,# 13 Graph the function Y = - X + X ^2

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So the graph of this function is shown in the figure below. This is a parabola as you can see. The roots of this functions, that is, the x-intercepts are:

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As you can see in the figure. This function decreases from $(-\infty,0.5)$ and increases from $(0.5, \infty)$

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