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inna [77]
3 years ago
13

Is there a proportional relationship between x and y? Explain.

Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0
I don’t think so but divide the top one by the bottom one for every one of them and if it is all the same answer they are proportional x/y
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I need help with number 7 please help.
cestrela7 [59]
Y = 2x

Because for every serving there are 2 pints
5 0
3 years ago
When addressing an envelope for delivery in the United States or Canada, the zip code should appear
levacccp [35]
ZIP codes are codes utilized for the purpose of postal and adhering to the postal system. This contributes to faster process of delivering to and from the send and receiver of the mails. ZIP codes do not just apply on countries worldwide, but this also applies to the places inside these countries. Provinces and cities and have their own ZIP codes assigned to them in accordance to the ZIP code assigned to the country. This is why most mails should have a ZIP code attached to the mail and to the letter when being delivered whether it is locally delivered or internationally delivered. When addressing an envelope for delivery in the United States or Canada, the ZIP code should appear on the same line as the city and state. So the answer to the question above would be B.
6 0
3 years ago
K over 6 plus 8 equals 5
UNO [17]

Answer:

k= -18

Step-by-step explanation:

k/6 +8=5 (subtract 8 from both sides)

k/6= -3     (Multiply by 6 on both sides)

k=-18          

8 0
3 years ago
A model rocket is launched with an initial upward velocity of 30 m/s. The rockets height (in meters) after t seconds is given by
daser333 [38]

9514 1404 393

Answer:

  t = 3-√7 and 3+√7 seconds after launch

Step-by-step explanation:

You want to find the values of t that make h=10.

  10 = 30t -5t^2

  t^2 -6t = -2 . . . . . divide by -5

  t^2 -6t +9 = 7 . . . add 9 to complete the square

  (t -3)^2 = 7 . . . . . write as a square

  t -3 = ±√7 . . . . . . take the square root

  t = 3 ±√7 . . . . . . values of t for which height is 10 meters

__

These values are about 0.354 seconds, and 5.646 seconds.

5 0
3 years ago
Which of the following equations have no solutions? Choose all answers that apply:
Harlamova29_29 [7]

A

- 40x + 40 = 20x + 20 \\  - 60x =  - 20 \\ x =  \frac{1}{3}

This equation has a solution

B

20x + 40 = 40x + 20 \\  - 20x =  - 20 \\ x = 1

This equation has a solution

C

- 20x + 40 =  - 20x + 20 \\ 0x =  - 20

This equation has no solution

D

40x + 40 = 40x + 20 \\ 0x =  - 20

This equation has no solution

Answer: C, D

7 0
3 years ago
Read 2 more answers
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