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lisabon 2012 [21]
3 years ago
14

A car travels 120 miles in 3 hours. What is the constant speed of the car in miles per hour?

Mathematics
2 answers:
irinina [24]3 years ago
6 0

Answer: 40

Step-by-step explanation: if you divided 120 by 3 you will get 40 miles per hour

elena55 [62]3 years ago
6 0

Answer: the car travels 40 miles per hour

Step-by-step explanation: First you have to set the ratio up as 120 miles over 3 hours. After you do that you need to divide 120 by 3 which will give you for which gives you 40 miles per hours

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expeople1 [14]

Answer:

\large\boxed{8x^3+125=(2x+5)(4x^2-10x+25)}

Step-by-step explanation:

8x^3+125=2^3x^3+5^3=(2x)^3+5^3\\\\\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+5)((2x)^2-(2x)(5)+5^2)\\\\=(2x+5)(4x^2-10x+25)

3 0
3 years ago
an English teacher would like to divide 15 boys and 6 girls into groups each with the same combination of boys and girls and nob
tamaranim1 [39]

Answer:

7groups

Step-by-step explanation:

15+6/3=7groups

6 0
2 years ago
A cafe offers senior citizens a 15% discount off its regular price of $8.95 for the dinner buffet.
jonny [76]

a) 75 percent of the regular price is the price for senior citizens.

b) $6.712 is the price for senior citizens.

<u>Step-by-step explanation</u>:

  • The regular price is the 100% = $8.95
  • The offer price for senior citizen = 15% discount from 100%

∴ Percent of the regular price for senior citizens = 100% - 15% = 75%

The price for the senior citizens = 75% of $8.95

⇒ (75/100)\times8.95

⇒ 0.75\times8.95

⇒ 6.712 dollars.

∴ The price for senior citizens = $6.712

7 0
3 years ago
Two boys on bicycles start from the same place at the same time. One cyclist travels 15 miles per hour, the other travels 12 mil
11111nata11111 [884]

Answer:

v

Step-by-step explanation:

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3 0
3 years ago
In math what does it mean by Define the varible?
Kitty [74]
I think it means like explain what are variable is. Only if your finding a variable: explain how you got the answer to that variable. Hope I helped!
8 0
3 years ago
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