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castortr0y [4]
3 years ago
12

The table shows a direct variation.

Mathematics
1 answer:
marin [14]3 years ago
8 0
The answer would be 4
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Please help I don’t know the answer :(
gogolik [260]

Answer:

When x=8, y=-6. When x=10, y=0

Step-by-step explanation:

y=3x-30\\x^2+y^2=100

You can plug the given y value into the second equation to get:

x^2+(3x-30)^2=100\\x^2+9x^2-180x+900=100\\10x^2-180x+800=0\\10(x^2-18x+80)=0\\10(x-8)(x+10)=0\\x= 8, 10\\y= -6, 0

Hope this helps!

6 0
3 years ago
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Need help ASAP, willing to give brainliest to the best answer!
sveta [45]
1. 70, 2. None, 3. Mike
6 0
3 years ago
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A circle has a diameter of 12 feet. What is the circumference of the circle?
Lady bird [3.3K]

Answer:

B). 37.68 feet.

Step-by-step explanation:

Circumference = diameter *  π

= 12 * π

=  37.68 feet.

5 0
3 years ago
I really need some help .............
Effectus [21]

Answer:

61

Step-by-step explanation:

add the number of minutes for each day and then divide that number by the number of days

35+60+65+60+85 =305

305 / 5 = 61

8 0
3 years ago
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How many meters are there in 21 feet?
hichkok12 [17]
There are <u><em>6.4008 </em></u><u><em /></u><em /><u><em>meters</em></u> in <u><em>21 feet</em></u>

If you need more help I will be glad to help:D
*~"AB84"~*
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3 years ago
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