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3 years ago

Identifying Perfect Squares

Mathematics

2 answers:

nikklg [1K]3 years ago

6 0

The perfect square are 49, 9 and 225

kompoz [17]3 years ago

5 0

Answer:

49,

and

225

are all perfect squares.

I hope this helps you!

Brainliest if satisfied :D

Would mean a lot

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What is the result of adding these two equation? 5x-9y=1 -7x+2y=-5

SCORPION-xisa [38]

The result of adding the given equations is 2x+7y=4.

Step-by-step explanation:

Given equations are;

5x-9y=1 Eqn 1

-7x+2y=-5 Eqn 2

Adding Eqn 1 and 2

$(5x-9y)+(-7x+2y)=1+(-5)\\5x-9y-7x+2y=1-5$

Arranging alike terms;

$5x-7x-9y+2y=-4\\-2x-7y=-4$

Dividing each term by -1

$\frac{-2x}{-1}+\frac{-7y}{-1}=\frac{-4}{-1}\\2x+7y=4$

The result of adding the given equations is 2x+7y=4.

Keywords: addition, linear equations

Learn more about addition at:

#LearnwithBrainly

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3 years ago

If c(x) = 5/x-2 and d(x) = x+3, what is the domain of (cd)(x)?

Tresset [83]

Answer:

I am sorry I don't onow

Step-by-step explanation:

3 0

4 years ago

Factor completely 25x2 − 9.

steposvetlana [31]

The formula is a^2-b^2=(a-b)(a+b)
So answer is (5x-3)(5x+3)

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3 years ago

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Solve the following inequality for w then simplify -w+9>6w+8

Alla [95]

Answer:

$\displaystyle (-\infty,\frac{1}{7})$

Step-by-step explanation:

Inequalities

To solve the inequality:

$-w+9>6w+8$

We need to perform the required operations on both sides of the inequality to have the variable w isolated.

First, we subtract 9:

$-w+9>6w+8$

$-w>6w+8-9$

Subtracting 6w:

$-w-6w>+8-9$

Operating:

-7w>-1

Now we divide by -7 but recall that when dividing by a negative number, we must flip the inequality sign:

$\displaystyle w$

Operating:

$\displaystyle w$

Solution:

$\mathbf{\displaystyle (-\infty,\frac{1}{7})}$

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3 years ago

From the set {6, 7, 11}, use substitution to determine which value of x makes the equation true.

kotykmax [81]

11 if you multiply 11 by both the number and and the variable you’ll get 11x-55=66. Add 55 to each side which will give you 121 then divide that by 11

3 0

4 years ago

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