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olganol [36]
3 years ago
13

The ratio of green houses to white houses in Queens is 5 to 7. There are 63 white houses, How many green houses are there?

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0
45 to 63

Your welcome my guy
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jenny had some candy to give to her three children she first took nine pieces for herself and then evenly divided the rest among
Gwar [14]

Answer:

18 pieces of candy

Step-by-step explanation:

9+3+3+3=18

Hope this helps!

4 0
3 years ago
PLEASE HELP!!
tatyana61 [14]

Answer:

I would say A but I might be wrong, I'm not to clear on this. But I hope it helps

Step-by-step explanation:


8 0
3 years ago
What is an example of a situation that you might be able to use an equation with a single unknown to help understand? What is an
nalin [4]

Suppose we want to know the total cost of buying x toys and we know that each toy costs $2. The relationship between the cost and the number of toys is

C(x) = 2x

If we purchase 6 toys, the cost would be

C(6) = 2*6 = $12

This is an example where it's adequate to use a single variable (or unknown) to find the value of another variable.

Now suppose we want to know the total cost of buying x toys for $2 each and include the tax rate in the calculations.

If we know the tax rate r, we can compute the total cost as

C(X,r) = 2x*(1 + r/100)

For example, to purchase x=6 toys and the tax rate is r=8%, the total cost is:

C(6,8) = 2*6*(1 + 8/100)=$12.96

If we had tried to calculate this cost without the use of two unknowns, it would have not been possible.

Thus, the pattern to use one or two variables depends on how many factors determine the final result.

5 0
1 year ago
Five years ago, Ruth made a deposit of $500 into a savings account that pays simple interest. She made no further deposits, and
OlgaM077 [116]
The answer would be $50 per year.

$750-$500=$250

$250/5 years= $50 per year.
5 0
3 years ago
Prove that the sum of two odd numbers is an even number
Maru [420]
Let a and b be odd number.
Because they are odd, by definition:
a = 2n + 1 
b = 2m + 1
If we add them up:
a + b = 2n + 1 + 2m + 1
         = 2n + 2m + 2
         = 2(n + m + 2)
         = 2k where k = n + m + 2

therefore a + b is always even.

5 0
3 years ago
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