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Inga [223]
3 years ago
6

Need help fast...

Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

(X,Y)

(2,2)

(4,3)

(7,4.5)

(9,5.5)

Step-by-step explanation:

To match the input values with the output, substitute each value on the right into the equation.

1) x

y=\frac{(x)}{2}+1

This doesn't change and it equal to y. So, map x with y.

2) 2

y=\frac{(2)}{2}+1

Divide:

y=1+1\\

Add:

y=2

So, match 2 with 2.

3) 4

y=\frac{(4)}{2}+1

Divide:

y=2+1

Add:

y=3

So, match 4 with 3.

4) 7

y=\frac{(7)}{2}+1

Divide:

y=3.5+1

Add:

y=4.5\\

So, match 7 with 4.5

5) 9

y=\frac{9}{2}+1

Divide:

y=4.5+1

Add:

y=5.5

So, match 9 with 5.5

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ioda
So Dave charges 150 at first and then 10.50 per each hour, so if your sister has the party going for say "h" hours, then his total charges will then be 150 + 10.5h.

now, Marvin's Mobile Music charges 135 at first, but then is more expensive per hour is 15 bucks per each hour, so if she has a party for "h" hours, then his total charges are 135 + 15h.

now, let's check when they're both equal, at how many hours will they cost your sister the same amount.

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however, after that, the one with higher hourly rate, Marvin's, gets more expensive, and she's better off hiring the one with cheaper hourly rate.

now, you can just get some mp3s and some loud speakers and nevermind the  DJs and you do it, or she can do it, I have the macarena song if you need that one.
3 0
3 years ago
Need help on the last problem please.
pshichka [43]

Answer:

6 of x and 5 of y

Step-by-step explanation:

x = number of closets of the first type

y = number of closets of the second type

1200 = 100x + 120y

100 = 10x + 8y

10x = 100 - 8y

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