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vlada-n [284]
2 years ago
13

If y varies directly with x and y=4 and y=12. Find the direct variation equation (find k and put into an equation).

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
5 0

Answer:

When in public, wear a mask

Just a teeny, weeny task

It helps keep is safe and sound

Health and care, all around

On your mouth, and on your nose

Good to cover both of those

Step-by-step explanation:

It's called the mask song you can ask Google assistant to sing it for you:)

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What is the range in interval notation of the function graphed below?
attashe74 [19]

Answer:

Range tells you how high and low the graph of this parabola goes in the “y” (vertical) directions.

1. We can see that the parabola peaks on the y-axis at y = 4. That’s as HIGH as it goes.

2. We also see that both sides of the parabola descend to the level of y = -7. That’s as LOW as it is shown to go.

So putting these together, we say the Range is given by:

-7 <= y <= 3

AMBIGUITY WARNING:

Because the two branches of the parabola go fall right down to the edge of the picture boundary, it’s UNCLEAR whether the parabola truly stops at y = -7 or CONTINUES on (to negative infinity).

In THAT case, the RANGE simplifies to:

Y <= 4

Done.

Step-by-step explanation:

5 0
1 year ago
QUICK, BRAINLIEST FOR 1ST ANSWER. <br><br>14.5 is incorrect!
ra1l [238]
To get the *percent increase* from week 1 to week 2, we calculate the change in distance from week 1 to week 2 (13.5 - 12.5 = 1 mile) over the week 1 distance (12.5 miles). Doing that, we find that Matthew increased his distance by

1/12.5 = 0.08, or 8%

We’re given that he’ll increase his distance by the same percentage from week 2 to 3, so to find his week 3 distance, we can find 8% of the week 2 distance and add that on. 8% of 13.5 miles is 0.08 x 13.5 = 1.08 miles, so by week 3, he’ll be running 13.5 + 1.08 = 14.58 miles.
4 0
2 years ago
What is the area? Bit confused on this one.
Nutka1998 [239]

Answer:

A = 9x² + 12x

Step-by-step explanation:

The area (A) of the rectangle is calculated as

A = height × width

  = 3(3x² + 4x) ← distribute parenthesis by 3

   = 9x² + 12x

7 0
3 years ago
Read 2 more answers
Pls help me<br><br> macth the words with the defonitions\ math
Orlov [11]

Answer:

Do what the 6th grader said

Step-by-step explanation:

They smart

4 0
2 years ago
Read 2 more answers
Write all the factors of 21 .
xeze [42]
7x3x1 are the factors.
8 0
3 years ago
Read 2 more answers
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