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guapka [62]
3 years ago
14

There are 60 students in the speech contest. Yesterday, 2/3 of them gave their speeches. Today, 1/4 of the remaining students ga

ve their speeches. How many students still haven't given their speeches?
Mathematics
1 answer:
Firlakuza [10]3 years ago
3 0

Answer:

15 students still haven't given their speeches

Step-by-step explanation:

2/3 of 60 is 40

60 - 40 = 20 left

1/4 of 20 is 5

20 - 5 = 15

15 students still haven't given their speeches

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Step-by-step explanation:

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3 years ago
Tom is 8 years younger than John. Let j represent John's age in years. Write an algebraic expression to represent Tom's age in y
AlexFokin [52]

Answer:

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5 0
2 years ago
Which of the following ratios is equivalent to 24:36?
Ksju [112]

Answer:

D, 20:30

Step-by-step explanation:

At first glance, this does not seem like the correct ratio. But I'll spare you a long intro and get into it:

20:30: Divide both of them by 10

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Hope this helps!

4 0
3 years ago
Maria makes $16 per hour. She gets a 18% raise. What is her new hourly<br> rate?
Mariana [72]

Answer:

$18.88 per hour.

Step-by-step explanation:

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Hope this helps.

8 0
2 years ago
Simplify the expression and show work 4(3x-2)-7(x+5)
Gennadij [26K]

Answer:

5x - 43

Explanation:

Given the below expression;

4\left(3x-2\right)-7\left(x+5\right)

To simplify the above, we'll go ahead and use the numbers outside the parentheses to multiply the ones inside to clear the parentheses as seen below;

\begin{gathered} 12x-8-7x-35 \\ =12x-7x-8-35 \\ =5x-43 \end{gathered}

So the answer is 5x - 43

7 0
1 year ago
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