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Morgarella [4.7K]
2 years ago
12

Help - I don’t understand this

Mathematics
1 answer:
Neko [114]2 years ago
5 0

Answer:

z / 7

Step-by-step explanation:

C = O / H

O = z

H = 7

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64 - 9p for p=4,9,-3
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64-9(4)

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3 years ago
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A store had homemade sweaters for $20 off the original price. Aunt Ethel jumped at the bargain and bought a sweater for all 5 me
Keith_Richards [23]

20*5= 100

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8 0
3 years ago
A large chocolate bar has a base area of 47.1 square feet and it’s length is 0.7 feet longer than twice it’s width. Find the len
VLD [36.1K]

Answer:

The dimensions of the bar are width = 4.68099 feet and length = 10.06198 feet

Step-by-step explanation:

A chocolate bar has a rectangular shape, therefore it's area is given by the following formula:

area = width*length

In this case the length is 0.7 feet longer than twice the width, therefore:

length = 2*width + 0.7

Applying the second equation on the first one and using the data from the question we have:

47.1 = width*(2*width + 0.7)

47.1 = 2*width² + 0.7*width

2*width² + 0.7*width = 47.1

width² + 0.35*width = 23.55

width = \frac{-0.35 \pm \sqrt{0.35^2 -4*1*(-23.55)}}{2*1} = -0.175 \pm 4,85599

width = 4.68099 or width = -5.03099

Since the width can't be negative, it can only be 4.68099 feet.

length = 2*4.68099 + 0.7 = 10.06198 feet.

6 0
2 years ago
What is the value of x​
Alenkasestr [34]

Answer:

68

Step-by-step explanation:

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A 12 pack of soda cost $4.80. What is the unit cost?
quester [9]

Answer:The cost of each can is $ 0.31

.

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3 years ago
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