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Rudik [331]
3 years ago
14

Giselle pays $210 in advance on her account at the athletic club. Each time she uses the club, $15 is deducted from the account.

Model the situation with a linear function.
A. b = 210 - 15x

B. b = 210 + 15x

C. b = 195 - 15x

D. b = 195 + 15x
Mathematics
2 answers:
Contact [7]3 years ago
8 0
Im not sure but im really pretty ure it is a 
Anettt [7]3 years ago
6 0

Answer:

The correct answer is A

Step-by-step explanation:

Here we start from the fact that there is a credit of 210, and each time she uses the club $15 will be deducted. if we take the x variable as the number of times she uses the club we have that the remaining credit is:

b=intitalCredit-x(value)\\b=210-15x

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Viktor [21]

Answer:

Worked 40 hrs in week

Pay $300 for week

Step-by-step explanation:

Hours: 7-11a.m = 4

12-4p.m = 4 So, 4+4=8 hrs per day

So, 8 hrs per day × 5 days a week (8×5)=40

Worked 40 hrs in week

Pay: $7.50/hr So, $7.50×40 hrs (7.50×40)=300

So, $300 pay for week

7 0
3 years ago
The vertices of a triangle are p(3,7) Q(7,-6) R(-8,7). Name the vertices of the image reflected across the x axis
pantera1 [17]

Answer:

<em>P'(3,-7) Q'(7,6) R'(-8,-7).</em>

Step-by-step explanation:

<u>Reflection across the x-axis</u>

Given a point P(x,y), its reflection across the x-axis will map to point P'(x,-y), i.e., the y-coordinate gets inverted.

We are given the vertices of a triangle P(3,7) Q(7,-6) R(-8,7). The vertices of the image reflected across the x-axis are:

P'(3,-7) Q'(7,6) R'(-8,-7).

The new triangle has vertices P'Q'R'.

6 0
2 years ago
What type of function does this scatter plot (graph A) look like?
NARA [144]
I think the correct answer is linear
7 0
3 years ago
If p represents the original price, which of the following expressions could be used to calculate the sale price of a shirt that
dezoksy [38]

Answer:

C & D

Step-by-step explanation:

You can do these two ways. You can multiply the cost of the the shirt by 15% (.15 as a decimal.) and then subtract that answer from the original price of the shirt to get the sales price of the shirt.

You can also multiply the price of the shirt by 85% (.85 as a decimal) and that will give you the sales price without having to subtract. 15% + 85% = 100%, so 85% represents the sales price of the shirt.

Anyway, since you multiply, you can eliminate choice A & B.

Since the direction in the question says to select all that apply, I would check both C & D.

C is the equation of the first way I talked about- Price - 15% * price

C       p - 0.15p

D is the equation of the second way I talked about. Price times 85%

D            0.85p

7 0
3 years ago
chelsey needs 18 3/4 grams of chemical x for a science project she found 5 1/2 grams in one container and 11 1/4 grams in anothe
andrew11 [14]

Answer: C=2

Step-by-step explanation:

7 0
3 years ago
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