SOMEONE HELPFUL PLZ ANSWER!!!!!!!! WILL MARK BRAINLIEST!!!!!!!!!

Mathematics

1 answer:

Eva8 [605]3 years ago

3 0

Answer:5,6 or 15,2

5x6x1.5 =45

15x2x1.5=45

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Suppose y varies directly with X, and Y =22 when x = 8 what is the value of y when x= 10

mars1129 [50]

27.5

22= K(8)

Divide 8 on both sides to get your K value

2.75 = K

Plug your K value into the other equation

Y= 2.75(10)

Solve to get Y

Y= 27.5 When the problem asks "vary directly", it is saying that you are multiplying your K value with your X value(K*X). If the problem is asks "vary indirectly", it is saying that you are dividing your K value by your X value (K/X)

7 0

3 years ago

Read 2 more answers

Wendy has taken two tests with scores of 77 and 80. To get an 82

tiny-mole [99]

Answer:

Step-by-step explanation:

Given that Wendy took 2 tests and scored, 77 and 80 respectively, let x represent the grade of Wendy's third test.

To get an average grade of 82, let's generate an equation to find x (Wendy's grade on her third test).

Average grade = sum of all 3 grades all over 3

$82 = \frac{77 + 80 + x}{3}$