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2 years ago

Which of the following is a true statement?

Mathematics

2 answers:

Vlad [161]2 years ago

7 0

Answer:

Step-by-step explanation:

snow_tiger [21]2 years ago

6 0

Answer:

I think the answer is A.

Step-by-step explanation:

<h3>2 to the second power is 4</h3>

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Which side of XYZ is the longest? <br><br>A. xy<br>B. xz<br>C. yz<br>D. cannot be determined

Eddi Din [679]

Answer:

the answer is x because its small

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3 years ago

What is the common difference of the arithmetic sequence graphed below?

sp2606 [1]

Answer:

Option D 2 is correct...hope it helps:)

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2 years ago

Find the solution set of this inequality|10x+20| ≤10

Pavlova-9 [17]

Answer:

solution is

[-3,-1]

Step-by-step explanation:

we are given

$|10x+20|\leq 10$

Firstly, we will find critical values

so, let's assume it is equal

$|10x+20|= 10$

now, we can break absolute sign

For $|10x+20|= -(10x+20)$ :

$-(10x+20)= 10$

we can solve for x

$-10x-20= 10$

Add both sides by 20

$-10x-20+20= 10+20$

$-10x= 30$

Divide both sides by -10

and we get

$x=-3$

For $|10x+20|= (10x+20)$ :

$(10x+20)= 10$

we can solve for x

$10x+20= 10$

Subtract both sides by 20

$10x+20-20= 10-20$

$10x= -10$

Divide both sides by 10

and we get

$x=-1$

so, critical values are

$x=-3$

$x=-1$

now, we can draw a number line and locate these values

and then we can check inequality on each intervals

For $(-\infty,-3)$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-5

$|10\times -5+20|\leq 10$

$|-50+20|\leq 10$

$30\leq 10$

so, this is FALSE

For $[-3,-1]$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-2

$|10\times -2+20|\leq 10$

$|-20+20|\leq 10$

$0\leq 10$

so, this is TRUE

For $(-1,\infty)$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=0

$|10\times 0+20|\leq 10$

$|0+20|\leq 10$

$20\leq 10$

so, this is FALSE

so, solution is

[-3,-1]

7 0

3 years ago

Explanatory writing that explores the relationship between an action and its consequence ____________

yawa3891 [41]

Explanatory research is research conducted in order to explain any behaviour

6 0

3 years ago

Read 2 more answers

How can I solve (x-8)^2

shusha [124]

Answer:

x^2-16x+64

Step-by-step explanation:

Simplify= (x-8)(x-8)

Simplified= x^2-8x-8x+64

Combine like terms= x^2-16x+64

Basically whenever the sign is squared on the outside it's the equation times itself. Hope this helps.

7 0

3 years ago

Read 2 more answers