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ololo11 [35]
2 years ago
11

What is the volume of this cube

Mathematics
2 answers:
ddd [48]2 years ago
5 0
Answer: 105 inches x^2
JulsSmile [24]2 years ago
3 0
The formula is length*width*height. Your answer is 105 inchesx^{2}
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Solve the system of equations by the substitution method
slava [35]

Answer:

x=0.5

y = 10.5

Step-by-step explanation:

y = 3x + 7

y = 5x + 8

3x + 7 = 5x + 8

3x - 5x=  8 - 7

2x = 1

x= 1/2

x=0.5

y = 5x + 8

y = 5(0.5) + 8

y = 2.5 + 8

y = 10.5

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Simplify 4х+ 2-
exis [7]

Answer:

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Step-by-step explanation:

4x + 2 -  \frac{ {x}^{2}  + x - 12}{x - 3}  \\  \\  = 4x + 2 -  \frac{ {x}^{2}  + 4x  - 3x- 12}{x - 3}  \\  \\  =  4x + 2 -  \frac{ {x}(x  + 4)  - 3(x  + 4)}{x - 3}  \\  \\  = 4x + 2 -  \frac{ (x  + 4)   \cancel{(x- 3)}}{\cancel{(x- 3)}}  \\  \\  = 4x + 2 - (x + 4) \\  \\  = 4x + 2 - x - 4 \\  \\  = 4x - x + 2 - 4 \\  \\  = 3x - 2

7 0
2 years ago
Alex buys 5 DVDs. Each DVD costs $9. If Alex receives a $2 discount on each DVD, what is the total amount of money alex apends?
LekaFEV [45]

Answer:

The total amount of money Alex spends on 5 DVD = $ 35.

Step-by-step explanation:

Total number of DVD purchased by Alex = 5

The cost of each DVD = $9

So, the total cost of purchasing 5 DVD = 5 x ( csot of 1 DVD)

= 5 x ( $ 9) = $ 45

Now , the discount if 1 DVD = $ 2

So, the total discount of 5 DVD = 5 x ( Discount on1 DVD)

= 5 x ($ 2) = $ 10

⇒ The total amount Alex spends

= Total cost of 5 DVD - Discount on 5 DVD

= $ 45 - $ 10 = $ 35

Hence, the total amount of money Alex spends on 5 DVD = $ 35.

7 0
3 years ago
Samual has a collection of toy cars his favorites are the 27 red ones which makes up 60% of his collection how many toy cars dos
vagabundo [1.1K]

Answer:

45

Step-by-step explanation:

Use khan acedaemy

5 0
2 years ago
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