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Varvara68 [4.7K]
2 years ago
13

The matrices shows the number of dance students enrolled in each type of class for two different years.

Mathematics
2 answers:
just olya [345]2 years ago
7 0

Answer:

The correct answer is C.

Step-by-step explanation:

In order to find the answer, we need to subtract the corresponding areas. In order to find the change, we subtract the first matrix from the second. If we look at the numbers in the top right we see.

9 - 21 = -12

Since C is the only one with -12 in the top right corner, it must be the correct matrix.

Scorpion4ik [409]2 years ago
3 0

Answer:

n54

Step-by-step explanation:

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3(y+7)+8y plz be spacific and answer correctly, im counting on you. :)
Galina-37 [17]

Answer:

11y + 21

Step-by-step explanation:

mutipily 3 by y + 7 bc 3 is right outside of the parentheis which means to mutipily. Then u get 3y +21 +8y. then simpilfy

7 0
2 years ago
How many triangles can be formed with segments measuring 4. 7 m, 1. 6 m, and 2. 9 m? none one more than one.
Svet_ta [14]

The sum of the length of the two sides of the triangle must be greater than the length of the third side. None of the triangles is formed. Then option A is correct.

<h3>What is the triangle?</h3>

Triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.

The sides of the triangle are 4.7 m, 1.6 m, and 2.9 m.

The condition will be

1.6 + 2.9 \ngtr  4.7

We know that the sum of the length of two sides of the triangle must be greater than the length of the third side.

Hence, none of the triangles is formed.

Thus, option A is correct.

More about the triangle link is given below.

brainly.com/question/25813512

4 0
2 years ago
Each of the following correctly match an English phrase with a mathematical expression except _____. a number times seven, 7x a
kobusy [5.1K]

Answer:

D, a number divided by 7

3 0
3 years ago
Read 2 more answers
Joshua earned $60 for working h hours. Which expression represents how much he earned in 1 hour?
Shkiper50 [21]
D. 60 divided by h.

Hope this helped.
5 0
3 years ago
Read 2 more answers
The price of a shirt is marked down from $12.50 to $10,00. What is the percent decrease of the shirt?
choli [55]

Answer: 20%.

Step-by-step explanation:

Given, The price of a shirt is marked down from $12.50 to $10.00.

Previous price = $12.50

New price = $10.00

Change in price = Previous price - New price

= $12.50 - $10.00

= $2.50

Now, the percent decrease of the shirt = \dfrac{\text{Change in price}}{\text{Prevoius price}}\times100

=\dfrac{2.50}{12.50}\times100\\\\=20\%

Hence, the percent decrease of the shirt = 20%.

7 0
3 years ago
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