Pls write in comments and write it clearly

Mathematics

2 answers:

Annette [7]3 years ago

8 0

Answer:

(3X+4)^2

Step-by-step explanation:

soldier1979 [14.2K]3 years ago

3 0

Answer:

unknown number : x

(x * 3 + 4)^2

= (3x + 4)^2

since you're squaring the result it's the same as squaring the whole equation

Hope it helps

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2.3=7.9+y how do I solve

riadik2000 [5.3K]

Simplify both sides
2.3=y+7.9
flip the equation.
y+7.9=2.3
Subtract 7.9 from both sides.
y+7.9-7.9=2.3-7.9
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3 years ago

How do i find the volume of a cone

enyata [817]

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Help meeee with this questionnnnnnnnnn!!!!!!!!!!!!

Dafna1 [17]

Given:

The scale factor between two circles is $\dfrac{2x}{5y}$ .

To find:

The ratio of their areas.

Solution:

We know that, all circles are similar.

The ratio of the areas of similar figures is equal to the ratio of squares of their corresponding sides or equal to the square of ratio of their corresponding sides.

The scale factor is the ratio of the corresponding sides.

Ratio of areas of circles = Square of scale factor between two circles

$\text{Ratio of areas of circles}=\left(\dfrac{2x}{5y}\right)^2$

$\text{Ratio of areas of circles}=\dfrac{(2x)^2}{(5y)^2}$

$\text{Ratio of areas of circles}=\dfrac{4x^2}{25y^2}$

Therefore, the correct option is D.

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3 years ago

Simplify. Rewrite in Standard Form.

Ipatiy [6.2K]

Keep the first set of parenthesis the same but change the subtraction sign in between the two sets and the sign of each term in the second set of parenthesis. put a different shape around each set of like terms, to make it easier, but don't forget to include the signs of each term in the shape. then combine the like terms. if you are confused, look at the picture and you will see how to do it.