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Serga [27]
3 years ago
5

Explain to me how you got the anwser

Mathematics
2 answers:
sergejj [24]3 years ago
8 0
Words/minute is the rate, and you are given both the number of words and the time taken, 245 words and 3.5 minutes respectively so:

r=245/3.5=70 wpm
suter [353]3 years ago
7 0
The answer is b) 70 words per minute. If you divide 245 by 3.5, you get 70. So, the answer is 70 words per minute.
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(2+1/2) (2^2-1+1/4) find the expression in the form of cubes and differences of two terms.​
Elden [556K]

Answer:

<u>Consider the following identity:</u>

  • a³ - b³ = (a + b)(a² - ab + b²)

<u>Let a = 2, b = 1/2</u>

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Alladin's Amusement Park has a popular roller coaster ride. There are 2 trains. Each train has 7 cars. Each car holds 16 people.
Nataly [62]

Answer:

224

Step-by-step explanation:

Number of trains in the roller coaster = 2

Number cars in each train = 7

Total number of cars = Number of trains \times Number of cars in each train = 7\times 2 = 14

Number of people in each car = 16

Total number of people in 14 cars = Number of people in one car \times Number of cars = 16 \times 14 = 224

i.e.

Total number of people in the roller coaster in one run = 224

Number of runs made by each train in one hour = 10

Therefore, Total number of people that can ride the roller coaster in one hour can be found by multiplying the number of runs with total number of people in the roller coaster in one run.

224 \times 10 = <em>2240</em>

4 0
3 years ago
THE FASTEST AND CORRECT ANSWER GETS BRAINLIEST!!! ANSWER TO GET BRAINLIEST!!!!!!!!!
jolli1 [7]

Answer:

9 minutes

Step-by-step explanation:

First, you will want to add up all the time spent per problem.

3(9.5)+2(8.25)=45

Then, divide 9 from 45. 45÷5=9.

Therefore, she would have spent 9 minutes per problem.

8 0
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