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Crazy boy [7]
2 years ago
5

How high up the wall can a 12-foot ladder reach if its base is 4 feet from the wall? Round your answer to the nearest tenth of a

foot if necessary.
Mathematics
1 answer:
Nostrana [21]2 years ago
7 0

Answer: 24 ft I think

Step-by-step explanation:

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Joan had 227 dollars to spend on 8 books. After buying them she had 11 dollars. How
Eddi Din [679]
The correct answer is 27
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3 years ago
a square garden has a diagonal of 12 m. What is the perimeter of the garden? Express in simplest radical form
lianna [129]

Answer:

The perimeter of the garden, in meters, is 24\sqrt{2}

Step-by-step explanation:

Diagonal of a square:

The diagonal of a square is found applying the Pythagorean Theorem.

The diagonal of the square is the hypothenuse, while we have two sides.

Diagonal of 12m:

This means that d = 12, side s. So

s^2 + s^2 = 12^2

2s^2 = 144

s^2 = \frac{144}{2}

s^2 = 72

s = \sqrt{72}

Factoring 72:

Factoring 72 into prime factors, we have that:

72|2

36|2

18|2

9|3

3|3

1

So

72 = 2^{3}*3^{2}

So, in simplest radical form:

s = \sqrt{72} = \sqrt{2^{3}*3^{2}} = \sqrt{2^3}*\sqrt{3^2} = 2\sqrt{2}*3 = 6\sqrt{2}

Perimeter of the garden:

The perimeter of a square with side of s units is given by:

P = 4s

In this question, since s = 6\sqrt{2}

P = 4s = 4*6\sqrt{2} = 24\sqrt{2}

The perimeter of the garden, in meters, is 24\sqrt{2}

5 0
2 years ago
I need help with the cross canceling
mihalych1998 [28]

Answer:58

Step-by-step explanation:

20×4 then 2×7 then add both answers u get 58

8 0
2 years ago
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Which statement is correct about relations and functions?
artcher [175]
It is number 3 I am pretty sure if it’s wrong I’m sorry but I got it right on mine
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Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation o
BartSMP [9]

Answer:

34

Step-by-step explanation:

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3 years ago
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