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sertanlavr [38]
2 years ago
9

A school choir has 36 members. This year, there are three times as many returning members as new members. How many new members a

re in the choir this year?
Mathematics
2 answers:
PtichkaEL [24]2 years ago
8 0

Answer:its 12

Step-by-step explanation:

because there are 36 now and they have 3 times more each year so it is 12 + 12 + 12 = 36

rewona [7]2 years ago
3 0

Answer:

9

Step-by-step explanation:

9 new members because 9*3 is 27. Then 27 + 9 is 36 total.

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Write 127.90 in expanded form
yan [13]

127.90 in expanded form:


100 + 20 + 7 + 0.9

3 0
2 years ago
A particular convex pentagon has two congruent, acute angles. The measure of each of the other interior angles is equal to the s
NNADVOKAT [17]

1. First, you must apply the formula for calculate the sum of the interior angles of a regular polygon, which is shown below:


 (n-2) × 180°


 "n" is the number of sides of the polygon (n=5).


 2. Then, the sum of the interior angles of the pentagon, is:


 (5-2)x180°=540°


 3. The problem says that the measure of each of the other interior angles is equal to the sum of the measures of the two acute angles and now you know that the sum of all the angles is 540°, then, you have:


 α+α+2α+2α+2α=540°

 8α=540°

 α=540°/8

 α=67.5°


 4. Finally, the larger angle is:


 2α=2(67.5°)=135°


 5. Therefore, the answer is: 135°

6 0
2 years ago
Gael and Torin don't want to take the garbage out, but their mom said one of them had to. Gael suggests they flip 2 coins to det
Alexandra [31]

Possible outcomes :

Heads Heads

Heads Tails

Tails Tails

Tails Heads

Probability of matching : 2/4 = 0.5

Torin should agree since the proposal is fair

3 0
2 years ago
The area of a small pond is 78.5 yds. What is the diameter of the pond?
Zolol [24]

Answer:

Diameter of pound = 10 yd

Step-by-step explanation:

Given area of circular pond = 78.5 square yd

To find the diameter of the pond.

Solution:

The pond being circular in shape, the area of pond can be given as:

⇒ \pi\ r^2

where r represents radius of the pond.

Thus, we have:

⇒ \pi\ r^2=78.5

Using \pi=3.14

⇒ 3.14r^2=78.5

Solving for r

Dividing both sides by 3.14

⇒ \frac{3.14r^2}{3.14}=\frac{78.5}{3.14}

⇒ r^2=25

Taking square root both sides.

⇒ \sqrt{r^2}=\sqrt{25}

⇒ r=\pm5

So, radius = 5 yd, as distances are always positive.

Diameter = 2\times radius=2\times 5\ yd= 10\ yd

Thus, diameter of pound = 10 yd

7 0
2 years ago
What is 1 4/7 as a improper fraction
Serhud [2]

Hello there,

To write an improper fraction you will have to divide whole number by denominator than add the numerator...

7 * 1 = 7

7 + 4 = 11

The denominator stays the same...

11/7


Answer: 11/7


Hope I helped!!

-Char

3 0
2 years ago
Read 2 more answers
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