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3 years ago

A ladder is placed with its foot 5m from the bottom of a wall 12m high. The top of the ladder just

Mathematics

1 answer:

Stels [109]3 years ago

8 0

Answer:

13 m

Step-by-step explanation:

The ladder forms a right triangle with the wall that has legs of 5 and 12. We need to solve for the length of the ladder, which in this case, is the hypotenuse of the right triangle. You could use the Pythagorean Theorem but there's an easier way to do this. We can use the 5 - 12 - 13 Pythagorean triple so we know that the length of the ladder is 13 m.

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Answer:

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Step-by-step explanation:

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2 years ago

Write an equation for the line that is parallel to y = −2x and passes through the point (0,7).

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Answer:

B. $\displaystyle y = -2x + 7$

Step-by-step explanation:

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3 years ago

Jonathan deposited $20 in a savings account earning 5% interest, compounded annually.

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Answer:

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Step-by-step explanation:

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3 years ago

An ancient Sicilian legend says that the barber in a remote town who can be reached only by traveling a dangerous mountain road

faust18 [17]

Answer:

No there cannot be.

Step-by-step explanation:

In explaining this question, I would like us to take into account who the barber is,

" the barber is the one who shaves all those, and those only, who do not shave themselves".

This barber cannot be in existence because who would shave him? If he should shave himself then there is a violation of the rule which says he shaves only those who do not shave themselves. If he shaves himself then he ceases to be a barber. And if he does not shave himself then he happens to be under those who must be shaved by the barber, because of what the rule says. But then he is the barber.

This lead us to a contradiction.

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3 years ago

Translate into an algebraic equation and solve. Twelve more than half a number is 10.

Marizza181 [45]

Answer:

1/2×+12=10, x=-4

Step-by-step explanation:

Just trust me on this

6 0

3 years ago

Read 2 more answers