3 years ago

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!!

Mathematics

1 answer:

Luda [366]3 years ago

8 0

Answer:

Just remember that V=½×A×B×H

where B is the base not breadth.

solving this yourself will give you the answer.

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Factorize this expression completely <br>using (a-b)² formula<br>3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

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3 years ago

HELP WITH THE QUESTIONS

tatuchka [14]

1 is 10 dimes that is what I’ll do

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3 years ago

Help Review of linear pair vertical and complementary

Lera25 [3.4K]

Answer:

x = 15

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

3+6x + 5x+12 = 180

Combine like terms

11x+15 = 180

Subtract 15 from each side

11x+15-15 =180-15

11x = 165

Divide by 11

11x/11 =165/11

x =15

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%5B3%5D%7B60%7D%20%7D%7B%5Csqrt%5B3%5D%7B36%7D%20%7D" id="TexFormula1" title=

Margarita [4]

∛60
--------
∛36

=
∛5
------
∛3

=∛45
-----------
3

= 1.185

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3 years ago

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Identify the constant and coefficient<br> 7 – 4x = 12 4x – 7 = 12 12 = 4x + 7

schepotkina [342]

Answer:

Constants: 7 and 12

Coefficients: 4

Step-by-step explanation:

A constant is number without a variable next to it, while a coefficient is a number with a variable next to it.

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3 years ago

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