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BigorU [14]
3 years ago
11

Setting 7/3 equal to whuch ratio would result in a valid proportion 9/49 18/42 49/9​

Mathematics
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

49/9

Step-by-step explanation:

7/3 = 49/9

What do we multiply to the 7 in the numerator by to get 49?

- Well, 7. So we know the numerators have a factor of 7.

Then what do you multiply to 3 to get 9?

-This is 3.

We notice a pattern of the number multiplying itself, so the first fraction being (7/3)^2 would be 49/9

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rewrite 1/4 books over 1/3 hour as a unit rate. A. 1 1/3 bookss/hour B. 1/12 books/hour C. 3/4 books/hour D. 12 books/hour
Nonamiya [84]

Answer:

The Answer would be option C. 3/4 books per hour

Step-by-step explanation:

You would flip 1/3 to 3/1 which makes it a whole number. then multiply

1/4 and 3.

Therefore your answer is 3/4

I hope this helped you,

8 0
3 years ago
A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine
Anna35 [415]
The answer I think is D.
3 0
3 years ago
Some kids are selling lemonade for $1.50 per cup at a high
BaLLatris [955]

A function that would represent profit based on the number of cups of lemonade is Profit = 1.5n - 14

<u>Solution:</u>

Given, Some kids are selling lemonade for $1.50 per cup at a high school baseball game.  

They spent $14 on all of the items needed for the lemonade stand (cups, lemonade, table oth, sign, etc)

We have to create a function that would represent profit based on the number of cups of lemonade

Now, let the number of cups sold be "n"

Then , we know that,<em> profit = selling price – cost price  </em>

Profit = number of cups sold x price per cup – cost price

Profit = n x $ 1.5 – $ 14  

Profit = 1.5n – 14

Hence, the function is Profit = 1.5n - 14

6 0
2 years ago
Sketch a cylinder with radius 8 feet and height 3 feet, then find the volume.
4vir4ik [10]

Answer: 339.29ft^3

Step-by-step explanation:

The formula for a cylinder is πr^2h

In your scenario, r=8 and h=3 so put those into the equation -

π8^2(3) and just solve!

7 0
3 years ago
Look at photo because I don’t get it
steposvetlana [31]

Answer:

a) (-2,2), (-1,-1), (1,-1), (3,7)

b) x=1.4

8 0
3 years ago
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