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nalin [4]
2 years ago
13

W=(-2/7)xx=(-9/4),y=3/4 ,and z=(-9/2) evaluate wx-yz

Mathematics
1 answer:
tigry1 [53]2 years ago
6 0

Answer:

225/56    or  4.018

Step-by-step explanation:

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The year the Greek city of Helike disappeared is -1/5 times the year the US civil war ended. Let w represent the year the war en
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Answer:

ok so

-1/5x=w

w=1865

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2 years ago
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1. One rule of thumb for estimating crowds is that each person occupies 2.5 square feet. Use this value to
givi [52]

Answer:

216 people

Step-by-step explanation:

Given:

2.5 feet² is occupied by 1 person

Dimension of room = 216 in × 360 in

Required:

No. of people that would occupy the room

SOLUTION:

Step 1:

Convert the dimensions of the room from in to ft

Note: 1 foot = 12 inches

216 inches = \frac{216}{12} = 18 ft

360 inches = \frac{360}{12} = 30 ft

Step 2: calculate area of the room.

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Step 3: calculate the no. of people the room will contain.

2.5 ft² will contain one person

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6 0
3 years ago
Simplify the expression. (3.5x - 5) + (7.2x + 10)
Mamont248 [21]

Answer:

10.7x + 5

Step-by-step explanation:

(3.5x - 5) + (7.2x + 10)

Take out the parenthesis so it can be easier to see

3.5x - 5 + 7.2x + 10

Combine like terms

(3.5x and 7.2x) and ( -5 and 10)

10.7x + 5

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Hope this helped!

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3 years ago
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