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Licemer1 [7]
2 years ago
8

Suppose that y varies inversely with x. write an equation for the inverse variation.y = 2 when x = 3

Mathematics
1 answer:
erastova [34]2 years ago
7 0
For inverse variation:
y = k/x
2 = k/3
k = 6

Therefore, required equation is y = 6/x
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The price of a cup of coffee was $2.40 yesterday. Today, the price rose to $2.65. Round your answer to the nearest tenth of a pe
Ymorist [56]
To find the percent increase you need to first find how much the price went up: 2.65 -  2.4 = .25     Now divide .25 by the original price.
5 0
3 years ago
If EF=2x-5, FG=3x-6, and EG=19 find the values of x, EF, and FG. The drawing is not to scale.
Tom [10]
EG is the whole thing.
This means that EF + FG = EG

<span>EF=2x-5
</span><span>FG=3x-6
</span><span>EG=19

Now all you do is plug in the numbers.
(2x - 5) + (3x - 6) = 19
5x - 11 = 19
5x = 30
x = 6

Now plug that x into EF and FG.
</span>EF = 2x - 5
EF = 2(6) - 5
EF = 12 - 5
EF = 7

FG = 3x - 6
FG = 3(6) - 6
FG = 18 - 6
FG = 12

So your answers are:
x = 6
EF = 7
FG = 12
<span>d. x = 6, EF = 7, FG = 12</span>
5 0
3 years ago
Jason is 4.52 feet tall. His sister is 0.75 times his height. How tall is his sister?
worty [1.4K]
7.91 feet tall.

4.52 x 0.75= 3.39
3.39 + 4.52 = 7.91
6 0
3 years ago
Read 2 more answers
What is the value of x...<br><br> 5(x-5)=3(x-7)
timurjin [86]

Answer:

x=2

Step-by-step explanation:

5(x-5)=3(x-7)

Distribute

5x-25 = 3x-21

subtract 3x from each side

5x-25-3x = 3x-21-3x

2x-25 = -21

Add 25 to each side

2x-25+25 = -21 +25

2x=4

Divide by 2

2x/2 =4/2

x=2

8 0
3 years ago
Can someone help me on problem number 8?
kramer
List the coordinates,
Coordinates are shown as (x,y) 
If 2+2+7+7 is 16
You make those your side lengths 
Coordinates are (9,7) (2,7) (2,5) (9,5) 
they maybe slightly off because of the broken peice of paper
8 0
3 years ago
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