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2 years ago

9

No links please

1 answer:

Alja [10]2 years ago

8 0

Answer: A 40 feet

Explanation:
If a building is 380 feet tall and the elevator has to descend 420 feet to get to the underground parking garage. So 420 - 380 to remove the height of the building from the equation. This would give us 40 feet underground left until the elevator reaches its desired destination.

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If 1/4 of a number is 10,what is thenumber?

ki77a [65]

Answer:

40

Step-by-step explanation:

10 x 4 = 40

so if it was 1/2 instead of 1/4 than it would be 20

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2 years ago

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Neko [114]

Answer:

Step 1

Step-by-step explanation:

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3 years ago

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A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 45 minutes. Supp

riadik2000 [5.3K]

Answer:

$H_0:\mu =45\\\\H_a:\mu\geq 45$

Step-by-step explanation:

Since we have given that

A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 45 minutes.

Since we need to carry out a hypothesis test whether he can refute the claim.

We always take the alternate hypothesis such that it should satisfy the given statement.

And the null hypothesis can be equal to mean or other than that is given in alternate hypothesis.

So, hypothesis :

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3 years ago

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Alja [10]

Answer:

x=9, y=15. (9, 15).

Step-by-step explanation:

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----------

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2 years ago

Someone please help me

kirza4 [7]

I would go with 3 options

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3 years ago

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