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mixer [17]
3 years ago
14

Explain your answer ! ( WILL GIVE BRAINLST)

Mathematics
1 answer:
Nonamiya [84]3 years ago
7 0
B because
Solve for the first variable in one of the equations, then substitute the result into the other equation.
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Tim sold half of his comic books and then bought 9 more. He now has 17 . How many did he begin with
Agata [3.3K]

Answer:

16

Step-by-step explanation:

17-9=8

8*2=16

Because had 8 but bought 9 more to where he then had 17 but if you take 8 times 2 then your answer is 16 and that's how many comic books he began with.

Hope this helps


3 0
3 years ago
Read 2 more answers
60 points!!! ASAP A store hands out 900 reward cards. Customers scan their cards in the store to find out what reward they recei
diamong [38]

Answer:

100 customers

Step-by-step explanation:

Note that when you say "The probability that a customer receives a $25 gift card is 19", I assume you mean 1/9, not 19 because probability cannot exceed 1.

There are 900 reward cards in total, which means 900 customers have a chance to receive a reward. Out of these 900 customers, 1/9 of them receive a $25 gift card, so in order to find how many receive a gift card, we do:

(1/9) * 900 = 100

Thus, 100 customers receive a $25 gift card.

3 0
3 years ago
Read 2 more answers
The outside temperature decreases by 7F in 3 1 2hours. Part A How would you represent the temperature change as a unit rate? Exp
Evgesh-ka [11]

Answer:

A)  2f / hour

B) 10 f

Step-by-step explanation:

outside temperature decreases by ; 7 F in 3 1/2 hours

a ) represent temperature change as a unit rate

To do this you will need to represent the temperature change per hour

7 f / 3.5 hours

= 7 f / 3.5 = 2 therefore the temperature change as a unit rate = 2f / hour

b) Temperature change after 5 hours

Δ temperature  in 5 hours = temperature change per hour * 5

                             = 2 F * 5 =  10 F

6 0
3 years ago
Drag and drop the correct numbers into the boxes to show the initial value and the range for each of the linear functions f(x) a
tatuchka [14]
I think  the answer is the 4th one
6 0
3 years ago
6th Grade Math! Can you please help?
horrorfan [7]

Answer:it is c and d

Step-by-step explanation:

8 0
3 years ago
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