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enyata [817]
3 years ago
14

When Jeremy made 8 black and white copies and 2 color copies at a copy shop, the cost was $1.20. When he made 10 black and white

copies and 10 color copies, the cost was $3.00. How much do black and white copies cost?
A. $0.10
B. $0.15
C. $0.20
D. $0.30 ​
Mathematics
1 answer:
RideAnS [48]3 years ago
4 0
I think it’s A and it’s B at the most but still...A
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Rewrite 7 − 8 using the additive inverse and display the new expression on a number line.
Katen [24]

Answer: A.)

Step-by-step explanation: if you start at 7 and take 8 away your left with a negative

A is correct purple line to 7 and red line to -1

Hope this helps

4 0
1 year ago
Which function could be represented by the graph on the coordinate plane?
spin [16.1K]

Answer:

\boxed{f(x)=(x-8)^2-6}

Step-by-step explanation:

The graph in the attachment is a quadratic function whose vertex is in the fourth quadrant.

The coordinates of a point in the fourth quadrant is of the form (x,-y)

Considering the options, the vertex must have coordinates (h,k)=(8,-6) and a=1.


The quadratic function in vertex form is written as;

f(x)=a(x-h)^2+k

Therefore the equation of the quadratic function is;

f(x)=(x-8)^2-6


The correct answer is option D


8 0
3 years ago
A water tank holds 18000 gallons. How long will it take for the water level to reach 6000 gallons if the water is used at anaver
kkurt [141]
It should take approximately 27 days using the water at an average of. 450 gallons per day
5 0
3 years ago
If I roll a fair die 100 times, about how many times would I roll a 4?
WARRIOR [948]

C. 17

Why:

Divide 100 by 6, round the answer and you should get 17

6 0
3 years ago
Read 2 more answers
,,,,,,,,,hi help pls
aliya0001 [1]
Answer: slope is 0
to find the slope , you have to subtract y-es and divide them by x-es.(delta y/ delta x)
so,
(-6,-2) (-7,-2)
slope: -2-(-2)/-7-(-6)
slope:0/ -1
slope: 0
which looks on the graph like this:

4 0
2 years ago
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