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Anestetic [448]
3 years ago
9

Is x=2 a solution? 1. -2(x-4)=4 2. 26/x=13 3. 4(x-1)-3(x-2)=-08

Mathematics
2 answers:
lara31 [8.8K]3 years ago
6 0

Answer:

1.yes 2. yes 3. no

Step-by-step explanation:

azamat3 years ago
5 0

See attachment for reply.

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Which graph represents a proportional relationship? <br><br> A.<br><br> B.<br><br> C.<br><br> D.
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Answer:

C

Step-by-step explanation:

A straight diagonal line going the middle of the graph is a proportianal relationship.

4 0
3 years ago
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Can someone please help me with 44. And 45?
Angelina_Jolie [31]

Problem 44

The term "bisect" means "cut in half".

Since BD bisects angle ABC, this means the smaller angles ABD and DBC are congruent.

angle ABD = angle DBC

x+15 = 4x-45

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60 = 3x

3x = 60

x = 60/3

x = 20

<h3>Answer:  x = 20</h3>

========================================================

Problem 45

We use the same idea as the previous problem

angle ABD = angle DBC

2x+35 = 5x-22

35+22 = 5x-2x

57 = 3x

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x = 57/3

x = 19

<h3>Answer: x = 19</h3>
6 0
2 years ago
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if a pound of grapes cost $0.14 in 1960 and the price of grapes increased at the same rate as the CPI from 1960 to 1980 by appro
masya89 [10]

The CPI increased from 29.6 to 82.4.  

The rate of increase, is:

82.4/29.6 = 2.78

Now multiply this rate to the $0.14 price of grapes from 1960.

$0.14 x 2.78 = $0.39

Now to get the amount of increase subtract the new price from the original price:

$0.39 - $0.14 = $0.25 increase.

5 0
3 years ago
Which quantity is proportional to 20/5?
kirza4 [7]

Answer:

100/25, 60/15, and 4/1

Step-by-step explanation:

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Find the perimeter and area of the figures of 6ft and 8ft?
Svetradugi [14.3K]
The perimeter is 28 and the area is 24
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2 years ago
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