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ivann1987 [24]
3 years ago
7

A class has 40 students. The teacher asks how many students in the class have siblings and finds 3/10 of the students have sibli

ngs. How many students have siblings?
Mathematics
1 answer:
leva [86]3 years ago
6 0

Answer:

12 students

Step-by-step explanation:

First, find the percentage of how many students have siblings:

3/10 = 0.3 = 30%

40 * 0.3 = 12

This means that 30% of this class are 12 students. These 12 students have siblings.

Hope this helps!

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amm1812

Answer:

Step-by-step explanation:

hello

2x+2=6 2x+2-2=6-2 \ \ \ substract \ \ 2\\ 2x = 4  \dfrac{2x}{2}=x=\dfrac{4}{2}=2 \ \ \ divide \ \ by  \ \ 2\\

so the solution is 2

5x+4=8 5x+4-4=8-4 \ \ \ substract \ \ 4\\ 5x = 4  \dfrac{5x}{5}=x =\dfrac{4}{5} \ \ \ divide \ \ by  \ \ 5

so the solution is 4/5

hope this helps

3 0
4 years ago
Read 2 more answers
What is the correct decimal expansion of 50?
sattari [20]

The correct decimal expansion of 50 is; (5× 10) + (0× 10⁰)

<h3>Decimal expansion of numbers</h3>

According to the question;

  • We are required to determine the correct decimal expansion of 50.

The correct decimal expansion of 50 can be evaluated by;

First, we must assign indices of 10 accordingly.

Hence; we have;

  • (5 × 10¹) + (0×10⁰)

Ultimately, the correct decimal expansion of 50 is; (5× 10) + (0× 10⁰).

Read more bon decimal expansion of numbers;

brainly.com/question/16796179

5 0
3 years ago
Please show the work.
Mazyrski [523]
It would be d because the integer has to fit
6 0
4 years ago
Albert sells furniture. His base salary is $300 per week, plus 5.5% commission. If his total sales for last week were $2950, wha
Andreas93 [3]

Answer:

16225

Step-by-step explanation:

You need to multiply

5 0
3 years ago
50% of games is 10 games.
timurjin [86]

Answer:

20 games

Step-by-step explanation:

3 0
3 years ago
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