MATHEMATICS HIGH SCHOOL

Fourteen is 20% of what number?

Answers

Answer 1
Answer: fourteen is 20% of 70.
Answer 2
Answer:

Answer:

Step-by-step explanation:

70 :)

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Harry is building a house with a sloping roof. If the roof is 44 feet long and 10 feet high, what is the angle that the roof makes with the horizontal?

Answers

Length\ and\ high\ make\ with\ horizontal\ rectangular\ triangle\n\n Length \is \ hypotenuse\ \n\ high\ and\ horizontal\ are\ cathetuses.\n\n \angle\ \alpha\ between\ length\ and\ horizontal=?\n sin \alpha =(10)/(44)\n sin \alpha \approx0,227\n \alpha \approx\ arcsin0,227\approx\ 13^\circ

How do you multiply 5/12 times 2/9?

Answers

(5)/(12)\cdot(2)/(9)=(5)/(6)\cdot(1)/(9)=(5)/(54)

During your first week of training for a marathon, you run a total of 10 miles. You increase the distance you run by twenty percent. How many miles do you run during your twelfth week of training?

Answers

1200 miles in twelve weeks of training

Simplify the expression.
(-8.6) ^0
0
-8.6
1
-1

Answers

Any number raised to power of zero is always a one.
Thus (-8.6) ^0=1

Round to the nears ten 9.42?​

Answers

Answer:

9

Step-by-step explanation:

In order to round to the nearest ten you must think: what is the nearest multiple of 10. For example, to round 68 to the nearest 10, the nearest whole number is 70, so the answer would be 70. However if you were to round 63 to the nearest 10, to would be 50 since that is the nearest multiple of 10

Answer:9

Step-by-step explanation:

Since the next number is below five you don’t round up it just stays the same

Person who answers gets 15 points!!

Answers

Answer:

Undefined

Step-by-step explanation:

This is just a vertical line when mapped from the data points given, therefore it has an undefined slope.
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