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forsale [732]
2 years ago
5

In one day, a book store earned $253 in sales for 4 copies of a new cookbook and 5 copies of a new science fiction novel. On the

next day, it earned $194 in sales for 3 copies of the cookbook and 4 copies of the science fiction novel. What was the price of each book?
Mathematics
2 answers:
inn [45]2 years ago
7 0

Answer:

Cookbook: 40$ and Science: 15$

Step-by-step explanation:

Guess!

Aloiza [94]2 years ago
5 0

Answer: cookbook $40 and science $15

Step-by-step explanation:

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Need help with this ​
snow_tiger [21]

Answer:

x       y

15     -1

12     0

9       1

6       2

3       3

0       4

Step-by-step explanation:

This is a function table. For a linear function, find the average rate of change between the listed points called slope. Then use the slope to fill in other inputs and outputs for the function.

m = \frac{y_2-y_1}{x_2-x_1}=\frac{4-0}{0-12} =\frac{4}{-12} =- \frac{1}{3}

This means for every 3 units made in the input, the function moves down 1 output.

x       y

15     -1

12     0

9       1

6       2

3       3

0       4

6 0
3 years ago
Marco needs to buy some dog food. At the nearest store, 6 bags of dog food cost $31.50. How much would Marco spend on 5 bags of
Andrew [12]

Answer:

your answer would be $13.50 because is 3 bags cost 6.75 and you need 6 bags then just multiply the 6.75 by 2 and you get your answer :)

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A spinner is divided into four equal sections labeled yellow green red and blue. If the splitter is on 40 times what percentage
IrinaVladis [17]
B. most likely because 40 divided by 4 is 10. 10/40 is 25%
6 0
3 years ago
Write an equation of the line in slope intercept form (-1,3) (0,4)​
babunello [35]

Answer:

Your answer is

equation y=x+4

Hope that this is helpful. Tap the crown button, Like & Follow me

5 0
2 years ago
How do I find the value of x for which line a is parallel to line b?
notka56 [123]

Answer:

x = 20

Step-by-step explanation:

3x + 6x = 180, if you make them supplementary then they will be parallel

9x = 180

x = 20

7 0
3 years ago
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