2 years ago

Determine whether y varies directly with x. If so, find the constant of variation k. 7y = –x

Mathematics

2 answers:

saul85 [17]2 years ago

8 0

Answer: B

Explanation: comment above me LOL

fomenos2 years ago

3 0

Answer:

Step-by-step explanation:

The equation of quantities in direct variation is

y = kx ← k is the constant of variation

Given

7y = - x ( divide both sides by 7 )

y = - $\frac{1}{7}$ x ← in direct variation form

with k = - $\frac{1}{7}$

You might be interested in

If the sales tax rate is 8.25% how much would pay for an item that costs $24.00?

Blizzard [7]

Answer:

$25.98

Step-by-step explanation:

8.25% of 24 = 0.0825 × 24 = 1.98

1.98 + 24 = 25.98

8 0

3 years ago

Hey um this is confusing

aleksandr82 [10.1K]

Answer:

15.7

Step-by-step explanation:

Lets take a = 50.

Area of Sector =

$\frac{a}{360} \pi {r}^{2} \\ = \frac{50}{360} \pi {6}^{2} \\ = \frac{50}{360} (3.14)(36) \\ = 15.7units {}^{2}$

4 0

2 years ago

What is the solution of this equqtion? 4+ 1/4 w=6

ale4655 [162]

Answer:

w = 8

Step-by-step explanation:

4+ 1/4 w=6

Subtract 4 from each side

4-4+ 1/4 w=6-4

1/4w = 2

Multiply each side by 4

4* 1/4 w=2*4

w = 8

4 0

3 years ago

What’s the exact volume?

MAXImum [283]

I think the answer is option 3.

8 0

3 years ago

Read 2 more answers

In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probabilit

kondor19780726 [428]

Answer:

22/29

Step-by-step explanation:

Idk

6 0

2 years ago