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qwelly [4]
3 years ago
5

I need help with 4-7 plz help me it’s due tomorrow

Mathematics
1 answer:
pochemuha3 years ago
6 0

Answer:

4) r=7.421

Step-by-step explanation:

All the questions are the same steps but when it asks for the diameter (question 6 and 7) , you would do the same steps just multiply the radius by 2 at the end.

Hope that helped.

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Betsy uses 8.8 of blue paint and white paint to paint her bedroom walls. 1/4 of this amount is blue paint. And th rest is white
UNO [17]

Answer:

6.6 pints of white paint is used to paint the bedroom walls

Step-by-step explanation:

Pints of blue paint used to paint the bedroom walls = 8.8

Ratio of blue paint used = \frac{1}{4}

Therefore,

Ratio of white paint used = 1-\frac{1}{4}=\frac{3}{4}

Pints of white paint used to paint the bedroom walls = \frac{3}{4}(8.8)=3(2.2)=6.6

Therefore,

6.6 pints of white paint is used to paint the bedroom walls.

7 0
3 years ago
What is the constant of variation for the quadratic variation?
Lorico [155]
Given:
x  =   2     3     4      5     6
y  = 20 ; 45 ; 80; 125;180

The constant variation for the quadratic variation is 5.

y = 5x²
y = 5(2²) = 5(4) = 20
y = 5(3²) = 5(9) = 45
y = 5(4²) = 5(16) = 80
y = 5(5²) = 5(25) = 125
y = 5(6²) = 5(36) = 180
7 0
4 years ago
Give a real life example of an outlier and explain why is it an outlier.
torisob [31]

Answer:

an example of an outlier is in state testing (which I just did today).

Step-by-step explanation:

say that most of the students got a a score of 78 to 95 the outlier would be something like a score of 30 because it is nowhere near the rest of the numbers and skews the the information when taking the average of a numbers.

Hope this helps! :)

And have a fabulous Friday!!

8 0
3 years ago
Read 2 more answers
The slope of a hill next to a highway decreases 2 vertical feet for every 3 horizontal feet away from the highway.
Novay_Z [31]

Slope is the change in Y ( vertical) over the change in X( horizontal).

The slope would be -2 /3

You would multiply the horizontal distance by the slope:

-2/3 x 12 = -8

The answer would be D. v(h)=-2/3h, and the vertical distance is -8 feet.

8 0
3 years ago
9x100+2x10+3x0.1+7x0.001
Luden [163]
(9 * 100) + (2 * 10) + (3 * 0.1) + (7 * 0.001) =

920.307
6 0
3 years ago
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