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3 years ago

Any algebra math pro's, can help me with this, that is confident enough to help me?

Mathematics

2 answers:

Elan Coil [88]3 years ago

5 0

Of course girl! Algebra is my thing :)
The correct answer is B, and here's why:
(a+3)^3 is the same as (a+3)(a+3)(a+3)
(a+3)(a+3)=a(a+3)+3(a+3) (distributive property)
a^2+3a+3a+9=a^2+6a+9
And from there we see that all the values match. Hope this helps

Ganezh [65]3 years ago

5 0

B. (a+3)^2= a^2+ 6a+9 (a+3)= a^3+ 6a^2+9a+3a^2+18a+27= a^3+ 9a^2++27a+27 - ---------------------------------

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Solve (√7-√3)^2 <br><br> A.) 10-2√21 <br> B.) 4-2√21<br> C. 4<br> D. -4

natulia [17]

The answer is A
10-2sqrt21

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castortr0y [4]

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3 years ago

pllllllls I need help right triangle and trigonometry special right triangles find the value of each variable

yanalaym [24]

$\huge {\mathfrak{Answer : }}$

we know,

$\boxed{\cos( \theta) = \dfrac{base}{hypotenuse}}$

so,

$\cos(30) = \dfrac{24}{x}$

$\dfrac{ \sqrt{3} }{2} = \dfrac{24}{x}$

$x = \dfrac{24 \times 2}{ \sqrt{3} }$

$x = 8 \sqrt{3} \times 2$

$x = 16 \sqrt{3}$

now,

$\boxed{ \tan( \theta) = \frac{perpendcular}{base} }$

$\tan(30) = \dfrac{y}{24}$

$\dfrac{1}{ \sqrt{3} } = \dfrac{y}{24}$

$y = \dfrac{24}{ \sqrt{3} }$

$y = 8 \sqrt{3}$

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3 years ago

NEED HELP WITH A MATH QUESTION

a_sh-v [17]

Answer:

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Step-by-step explanation:

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3 years ago

My neighbor does not understand how to find the length and area of his backyard because it is an unusual shape. In 2-3 sentences

stepan [7]

He can find the area of the individual shapes the backyard is made up of, then take the sum.

<h3>Area of composite figure</h3>

A composite figure is made up of different shapes and hence their area might be difficult to determine.

In order to determine the area of such a complex shape, the area of the individual shapes is first determined and then sum up. The sum of their areas will give the area of the composite figure

For your neighbour, he can find the area of the individual shapes the backyard is made up of, then take the sum.

Learn more on area of composite figure here: brainly.com/question/21135654

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2 years ago