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ivanzaharov [21]
4 years ago
5

The total amount of weight on an elevator cannot exceed 1,800 pounds. a delivery person is on the elevator delivering packages.

together, the delivery person and the packages weigh 520 pounds. if the average weight of a person is 160 pounds, set up and solve an inequality to determine how many additional people, p, the elevator can hold.
Mathematics
1 answer:
HACTEHA [7]4 years ago
8 0

Answer:

p ≤ 8

Step-by-step explanation:

Given the following :

Maximum weight elevator can hold ≤ 1800

Weight of delivery person and packages = 520 pounds

Average weight of a person = 160 pounds

Inequality to show how many additional people elevator can hold?

(weight of delivery person and packages + average weight of persons * number of persons) ≤ 1800

Let p = number of persons

(520 + 160p) ≤ 1800

160p ≤ 1800 - 520

160p ≤ 1280

p ≤ 1280 / 160

p ≤ 8

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A rectangular prism has a volume of 175 cubed inches. The height of the prism is 7 inches. The base is a square. What is the len
Dmitriy789 [7]

Answer:

The length of a side of the base is 5\ in

Step-by-step explanation:

we know that

The volume of a rectangular prism is equal to

V=Bh

where

B is the area of the base of the prism

h is the height of the prism

we have

V=175\ in^{3}

h=7\ in

Substitute the values and solve for B

175=B(7)

B=175/(7)

B=25\ in^{2}

Remember that the base is a square

so

25=b^{2}

b=5\ in

4 0
3 years ago
(4 + 7)<img src="https://tex.z-dn.net/?f=%5E%7B2%7D" id="TexFormula1" title="^{2}" alt="^{2}" align="absmiddle" class="latex-for
leonid [27]

Step-by-step explanation:

(4+7)^2=11^2=121

2^3=8

121+8=129

8 0
3 years ago
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Marizza181 [45]

Answer:

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3 years ago
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If SAT scores are normally distributed with a mean of 1518 and a standard deviation of 325, find the probability that a randomly
aliya0001 [1]
Mean, x_bar = 1518
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Range required: 1550 ≤ X ≤ 1575

Z = (X - x_bar)/sigma

Z1 = (1550-1518)/325 ≈ 0.1
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From Z tables,
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P(1550≤X≤1575) = P(Z2) - P(Z1) = 0.5714 - 0.5398 = 0.0316

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kolbaska11 [484]

Answer:

A=72

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