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vivado [14]
3 years ago
10

Expand 3m (m +1) ???????????????

Mathematics
2 answers:
Aleks [24]3 years ago
7 0

Answer:

So you solve it .... 3m^2+ 3m

Step-by-step explanation:

SCORPION-xisa [38]3 years ago
3 0

Answer:

3m^2+3

Step-by-step explanation:

Step 1:  First you have your equation or something.

3m (m+1)

Step 2: You multiply the parenthesis with the number.

Step 3: Then 3m to the parenthesis if you have 3m and m will convert to m^2.

Step 4: Your answer would be 3m^2+3

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GREYUIT [131]

Answer:

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8 0
3 years ago
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Can you solve this? :)
Nina [5.8K]
The answer is B.
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There are 2121 students in a school. A PE teacher wants to arrange maximum possible number of students in the field such that th
kifflom [539]

Answer:

5 students are left out in the arrangement.

Step-by-step explanation:

If the number of rows = the number of columns  

Then there must be an equal arrangement

Since the total number of students in the school is 2121

Then, the students that are left out in this arrangement = 2121 - (√2121 X √2121

Note the result of the square root would only consider the whole number, the digits after the decimal point signifies the remaining number that can't fit into the arrangement

so, √2121 = 46.05 (so 46 would be used)

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5 0
3 years ago
Keelah's clothing store bicycles for $50 and then sells them for $80 what is the percent of markup on the price of the coat
kondaur [170]

Answer:

62.5%

Step-by-step explanation:

We can write a proportion. We know that $50 is the original value and $80 is the marked up price. We don't know the marked up percentage. Let's call it x. We write equal ratios of \frac{x}{100} comparing percent and \frac{50}{80} comparing the 50 to the marked up price. We then set them equal.

\frac{x}{100} =\frac{50}{80}

We then cross multiply across the equal sign from numerator to the opposite numerator.

80(x)=50(100)

80x=5000

We divide to find x.

x=62.5

This means the bicycles are marked up 62.5% and the original value is 37.5%.

8 0
3 years ago
A.28.0<br><br> B.19.8<br> C.14.0<br><br> D.3.7
Lady_Fox [76]
Sin(angle) = opposite leg / hypotenuse

Sin(45) = Opposite leg / 28

Opposite Leg = 28 * Sin(45)

Opposite Leg = 14 SQRT(2) = 19.8


7 0
3 years ago
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