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NISA [10]
2 years ago
13

The variables y and x have a proportional relationship, and y = 28 when x = 21.

Mathematics
2 answers:
Pie2 years ago
8 0

Answer:

x=35

Step-by-step explanation:

i hope this helps

Bingel [31]2 years ago
8 0
X=35
I hope this helped!! Have a great weekend.
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3 months of cell phone service cost $89.85, and 8 months cost $239.60. How much would 14 months of service cost?
zavuch27 [327]

Answer:$419.30

Step-by-step explanation:

First divide 3 month cost by 3-$89.85/3= $29.95. Do the same for 8 months( $239.60/8= $29.95. Since $29.95 is common for both take that $29.95 x 14 months equaling $419.30.

7 0
2 years ago
A kite with a string 80 feet long makes an angle of elevation of 40° with the ground, assuming the string is straight, how high
defon
The diagram of the kite is shown below

To find the perpendicular height of the kite from the ground, we use the trigonometry ratio for sin(x).

The reason for using the sine ratio is because we have the hypotenuse, 80 feet, and the angle, 40° and we are looking for the length of the side opposite the angle.

sin(x)= \frac{opp}{hyp}
sin(40)= \frac{x}{80}
80sin(40)=x
x=51.42 rounded to two decimal place

Perpendicular height of the kite from the ground is 51.42 feet

3 0
3 years ago
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ki77a [65]

Answer:

??????????

Step-by-step explanation:

4 0
2 years ago
I m really tired of this boring life​
vaieri [72.5K]
Don’t worry bro, just take breaks and do whatever you find interesting. If your going through problems. I suggest you to talk with someone you trust!!!

7 0
2 years ago
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What is the initial value of the following equation? <br>y = 4(9)​
Vinil7 [7]

Answer:

y = 36

Step-by-step explanation:

4(9) = 4 x 9 = 36

5 0
3 years ago
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