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SOVA2 [1]
3 years ago
15

Please help me idk this

Mathematics
2 answers:
Vesnalui [34]3 years ago
4 0

It’s twice the radius.

NARA [144]3 years ago
3 0

Answer: twice the radius

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A ladder is leaning against a building.The distance from the bottom of the ladder to the building is 6ft shorter than the length
Akimi4 [234]

Answer:

15 ft

Step-by-step explanation:

Hi, the illustration for the problem is a right triangle with:

hypotenuse (C)= the length of the ladder = L

horizontal side(A) = distance from bottom of the ladder to the building = L - 6

vertical side(B) = distance from the top of the ladder to the bottom of the building = L - 3

So, we can use Pythagoras formula:

A2 +B2= C2

(L – 6 )² + (L-3)² = L²

L²-12L+36+L²-6L+9 =L²

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APPLYING QUADRATIC FORMULA WE OBTAIN:

L =15 OR L=3

If L=3

Vertical side = L-3 = 0 (Length can´t be 0)

So L=15

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3 years ago
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slega [8]

Answer:

I get 20

Step-by-step explanation:

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screenshot below

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Rachel measures the lengths of a random sample of 100 screws. The mean length was 2.6 inches, with a standard deviation of 1.0 i
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Step-by-step explanation:

Using the alternative hypothesis (µ < µ0),

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Using the p value calculation.

1. Check the left tailed z table as the test statistic is negative,

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3 years ago
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