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kondaur [170]
3 years ago
15

a club put its members into 5 groups for an activity. After 7 student have to leave early, there are only 3 students left to fin

ish the activity. How many students were in each group.
Mathematics
2 answers:
Zanzabum3 years ago
6 0

Answer:

2 students in each group

Step-by-step explanation:

If there were 5 groups and after a while 7 students leave early and 3 students remain to do the activity, if you add 7 + 3 = 10 divide it by 5, the number of groups in the activity, you would get 2 students in each group.

larisa [96]3 years ago
3 0

Answer:

There were 2 students in each group

Step-by-step explanation:

Club members to start = C

7 students left early, and 3 remain

C - 7 = 3

Add 7 to both sides

C = 10

There were 10 students to start

Divided into 5 groups

10 ÷ 5

2

There were 2 students in each group

Hope this was useful to you!

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The sum of two numbers is 44, and the larger number is 2 more than the smaller number. What is the smaller number?
gavmur [86]

Answer:

x+y=44 and y=x+2

Step-by-step explanation:

6 0
2 years ago
What is 24% of 1350 I will give 75 points
nika2105 [10]
<h3>Answer:</h3><h2>324.</h2><h3>Step-by-step explanation:</h3>

To find 24% of 1,350, you must multiply 24% by 1,350.

To do this problem, we must turn the numbers to fractions.

Twenty-Four hundredths, 24 / 100 is your fraction for 24%.

Put 1,350 over 1 since 1,350 is a whole number.

So:

24 / 100 x 1,350 / 1.

1350 x 24 = 32400, 100 x 1 = 100.

Your answer is 32,400 / 100.

Get rid of the 2 zeroes in 400 and 100.

It should be 324 / 1.

Since 1 is just the number 1, the answer is 324.

If you have any questions, feel free to comment below.

Merry Christmas!

8 0
3 years ago
Read 2 more answers
MZJ and m M are base angles of isosceles trapezoid JKLM. If mZJ = 18x + 8 and m_M=11x + 15 find m2K.
maxonik [38]

The question is incomplete. Here is the complete question.

m∠J and m∠Kare base angles of an isosceles trapezoid JKLM.

If m∠J = 18x + 8, and m∠M = 11x + 15 , find m∠K.

A. 1

B. 154

C. 77

D. 26

Answer: B. m∠K = 154

Step-by-step explanation: <u>Isosceles</u> <u>trapezoid</u> is a parallelogram with two parallel sides, called Base, and two non-parallel sides that have the same measure.

Related to internal angles, angles of the base are equal and opposite angles are supplementary.

In trapezoid JKLM, m∠J and m∠M are base angles, so they are equal:

18x + 8 = 11x + 15

7x = 7

x = 1

Now, m∠K is opposite so, they are supplementary, which means their sum results in 180°:

m∠J = 18(1) + 8

m∠J = 26

m∠K + m∠J = 180

m∠K + 26 = 180

m∠K = 154

The angle m∠K is 154°

7 0
2 years ago
Solve the equations for points!! <br><br> (Only 3)
jonny [76]

Answer:

-2 , -10 & -99

Step-by-step explanation:

1)

⇒ x + 6 = 4

⇒ x = 4-6

⇒ x = (-2)

2)

⇒x - (-4) = -6

⇒ x + 4 = -6

⇒ x = -6-4

⇒ x = -10

3)

⇒2(x-1) = -200

⇒ x - 1 = -200/2

⇒ x - 1 = -100

⇒ x = 1 - 100

⇒ x = (-99)

4 0
2 years ago
Read 2 more answers
Best estimate for 61/7
Ne4ueva [31]

I would say the best estimate would be 9 because the real answer is 8.71 and if you round that to the 1 place the answer would be 9.

8 0
2 years ago
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