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Law Incorporation [45]
3 years ago
8

Can someone plz answer this?

Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0
Q7. When x is a factor of 2 smaller, y is a factor of 2 larger. (That is what inverse variation means.) y = 2*3.
  C)   y = 6


_____
Another way to look at is that "inverse variation" means the product of x and y is a constant. Here, that constant is (3)·(-8) = -24. Then when x=-4, y=-24/-4 = 6.
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Austin drove 455 miles in 7 hours.
Effectus [21]

Answer:

9 hours

Step-by-step explanation:

455/7 gives you the mph

which is 65

then divide 585 miles by the mph (65)

585/65

= 9 hours

3 0
2 years ago
50 Points! find x and explain how you found it!
stepan [7]

To find the length of the side opposite the angle while knowing the hypotenuse we can use the sine function:

   sin(53) = (side opposite angle of 53 degrees) / hypotenuse

    sin(53) = x / 24

     x = 24 sin(53)

    x = 19.16

Hope that helped

3 0
2 years ago
Read 2 more answers
Joni put $200 in an interest-bearing account with an annual compound interest rate of 5%. Joni determined that after 3 years, sh
sergejj [24]

Answer:

Joni is not correct because she used the simple interest rate formula, not the compound interest rate formula. She will have $231.53.

Step-by-step explanation:

I already took the test

7 0
3 years ago
Why x+ (y+z)= (x+y)+z
arlik [135]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Scientific research on popular beverages consisted of 70 studies that were fully sponsored by the food industry, and 30 studies
elixir [45]

Answer:

a. 0.26

b. 0.7

c. 0.38

Step-by-step explanation:

For a)

For sponsored studies: 62 %  found the products favorable. The percentage is 0.62.

For non-sponsored studies 46% found the products favorable. The percentage is 0.46

Total probability = P(A) × P (B)

                           = 0.46 × 0.62

                           = 0.2604

For b)

Probability for the food industry = 0.7

For c) 1 - ( 0.62) = 0.38

8 0
3 years ago
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