MATHEMATICS HIGH SCHOOL

Help please. no clue what I'm doing​
help please. no clue what I'm doing​ - 1

Answers

Answer 1
Answer:

Answer:

Option second!!!!!!!

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What is the reciprocal of 2/5

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The reciprocal would be 5/2.
5/2 in decimal form 2.5

Find the VALUE or EVALUATE 62 + 5b when b = 3. (HINT: 62 means 6 X 6)

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If 6X6 = 36
And b=3
5(3)= 15

So 36+15= 51

What is the complement of 109° degrees? A. 81° B. 71° C. 109° D. 90°

Answers

Final answer:

The complement of 109° degrees is -19°

Explanation:

The complement of an angle is the difference between 90 degrees and the given angle. In this case, the complement of 109 degrees would be 90 - 109 = -19 degrees.

Learn more about complement of an angle here:

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A 2-pound box of spaghetti costs $2.50. Philip says that the unit cost is 2 over 250 = $0.80 per pound. Explain his error

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Phillip forgot to put a period between 2 and 50

Whats the vertex form of y=x^2-20x+15

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this looks like a parabola so:
y=x^2 - 20x + 15  -->  x^2 - 20x +15=y
(x^2 -20x)=y - 15  -->  (x - 10)^2=y - 15 +100  ( used complete the square)
(x - 10)^2=y + 85

Write an article on the topic health is wealth in about 180 words<br />

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If a person is not healthy, then he or she will find it very difficult to enjoy life. Balanced food, fresh air, exercise, good posture, plenty of rest, pure water, cleanliness, regular check-ups at the doctor and dentist " all helps keep our body machines running as they should.

A fit person is also more resistant to illnesses. The simplest way of keeping fit is by exercising regularly. But the exercises must be vigorous. Secondly we have to watch what we are eating. There should be enough fibre, protein, fruit, vegetables and vitamins. And of course our bodies need water. Water allows our blood to flow through the blood vessels thus supplying the body with vital nutrients. We must drink about six glasses a day.

We have to get enough sleep. All of us know how cranky we can get if we do not have enough sleep. And what's more " avoid stress, worry and tension, think positive! A bath or a shower every day is a good habit. It makes us clean but it also helps us to fall asleep better. Brushing our teeth is part of keeping clean.
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What does |-100| equal?