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Bad White [126]
3 years ago
9

What is the solution?

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
4 0

Answer:

3.) {2x+2y=62; x+4y=70

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The cost of a stove to a store owner was $500, and she sold the stove for $1080. What was her percent of profit based on cost?
Juliette [100K]

Answer:

116%

Step-by-step explanation:

Cost Price (C. P.) = $500

Selling Price (S. P.) = $1080

Profit = SP - CP = $1080 - $500 = $580

Profit percent

=  \frac{Profit}{CP}  \times 100 \\  \\  =  \frac{580}{500}  \times 100 \\  \\  =  \frac{580}{5}  \\  \\  = 116 \%

3 0
2 years ago
POSSIBLE
Levart [38]
I believe the answer is supplementary
7 0
3 years ago
Find c such that (−3,−8), (−7,−6), and (c,4) lie on a line.
bearhunter [10]
If the 3 points are collinear, then the slopes of all line segments connecting the points are the same.

Thus,

-6 - (-8) 2
m = ------------- = -------- = -1/2
-7 - (-3) -4

Then the following must be true:

4-(-6) 10
-1/2 = ------------ = ---------
c - (-7) c + 7

Cross multiplying, -(c+7) = 20, and c+7 = -20, so that c = -27
7 0
2 years ago
Given that x and y vary inversely and that y is 8 when x is 2, what is the constant of variation, k?
Shtirlitz [24]

Answer:

16

Step-by-step explanation:

the equation is x = k / y

therefore k = x* y

k = 2*8

k= 16

4 0
3 years ago
Fran has a monthly income of $2940, and budgets 9% of that amount for groceries.
notsponge [240]

Answer: $265

Step-by-step explanation: Fran has a monthly income of $2940, and she budgets 9% of it for groceries. 9% of $2940 is $265 dollars.

Hope this helps!

7 0
2 years ago
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