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Vladimir79 [104]

3 years ago

13

If y varies inversely with x, and y = 2 when x = 8, what is k, the constant of proportionality?

1 answer:

slega [8]3 years ago

5 0

I thunk it should be, if y=2 and x=8 then yeah

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At a schools field day, students will throw table tennis balls then measure the distance. There are 626 students in the school.

qaws [65]

Answer: 105 packs

Step-by-step explanation: The correct answer is 105 packs of table tennis balls. You need a total of 626 balls, so you divide this by 6 because that is what a standard package contains. The formula is 626/6 = 104.3. You will need 104 packs plus .3 of a pack, which means that you need to round it up to 105 packs of table tennis balls.

4 0

3 years ago

(3y^2+4y+4)-(7y^2+3y-6)

e-lub [12.9K]

plz mark brainliest if it helps

3 0

2 years ago

A mother is currently 7 times older than her son. In 3 years time, she will be 5 times older than her son. Let x and y be the pr

Softa [21]

Answer:

If the child is currently 6 years old and the mom is 42, in three years she'll be 45 and he'll be 9

Step-by-step explanation:

The son is y and the mom is x

x=7y

x+3=5(y+3)

7y+3=5y+15

7y=5y+12

2y=12

y=6

8 0

3 years ago

Read 2 more answers

Solve the following equation |x – 3| = 4. Show all work.

Igoryamba

<h2>Solving Equations with Absolute Values</h2><h3>Answer:</h3>

$x = 7$ and $x = -1$

<h3>Step-by-step explanation:</h3>

Solving for the Positive Absolute Value:

$|x -3| = 4 \\ x -3 = 4 \\ x -3 +3 = 4 +3 \\ x = 7$

Solving for the Negative Absolute Value:

$|x -3| = 4 \\ -(x -3) = 4 \\ -(x -3) \cdot -1 = 4 \cdot -1 \\ x -3 = -4 \\ x -3 +3 = -4 +3 \\ x = -1$

8 0

2 years ago

Read 2 more answers

What is the y intercept for the equation:<br> y = -8x^2 + 3x - 7

slega [8]

Answer:

The y intercept for the equation is (0,-7)

6 0

2 years ago