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3 years ago

15

Jerry has $32 he buys a pack of trading cards that cost three dollars each and a display book that cost seven dollars. Simplify

the expression 32-(5×3+7)to find out how much money Jared has left

2 answers:

densk [106]3 years ago

5 0

5 x 3 = 15 + 7 = 22
32- 22 = 10
Your answer is 10

Shtirlitz [24]3 years ago

5 0

This equation is unsolvable. There are 2 equal signs

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Adams arcade charges an entrance fee of $7.50 and 0.45 per game. Jims jamming does not charge an entrance fee but the games are

STALIN [3.7K]

Answer:

Step-by-step explanation:

cost of playing x games at Adams = 7.50 + 0.45x

cost of playing x games at Jims = 1.25x

1.25x = 7.50 + 0.45x

1.25-0.45x = 7.50

0.80x = 7.50

x = 7.50/0.80 = 9.375 , but x must be an integer.

The cost is never the same. When x ≤ 9, Adams costs more. When x ≥ 10, Jims costs more.

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3 years ago

Tìm một đoạn nghiệm của phương trình<br> 3/x+1 +4/(x+1)^2+5/(x+1)^3+6/(x+1)^4=10

SVETLANKA909090 [29]

Answer:

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Step-by-step explanation:

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3 years ago

Solve for c in the equation 32c = 128.

pishuonlain [190]

<u>Answer</u>

A. c = 4

<u>Explanation</u>

In algebra, what you do to one side of the equation, the same has to be done on the other side.

32c = 128

divide both sides by 32

32c = 128.

32c ÷ 32 = 128 ÷ 32

c = 128/32

= 4

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3 years ago

The points (2,-5) and (5,r) lie on a line with slope 2. Find the missing coordinate r.

Andrew [12]

Answer: r = 1

Step-by-step explanation:

The slope of a line can be represented as $\frac{y_2-y_1}{x_2-x_1}$ . Plugging in the following values would provide you with:

$\frac{(r)-(-5)}{(5)-(2)} =2$

$\frac{r + 5}{3} = 2$

$r + 5 = 6$

$r = 1$

Hope it helps :) and let me know if you want me to elaborate on anything.

7 0

2 years ago

Rewrite the sum of 30 and 42 by factoring out of the greatest common factor

kvasek [131]

Answer:

12

Step-by-step explanation:

Factors of 30: 1,2,3,5,(6),10,15,30

Factors of 42: 1,2,3,(6),7,14,21,42

30 divided by 6, 42 divided by 6

(5) + (7)= 12

8 0

2 years ago