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2 years ago

This statement is justified by which property of equality?

Mathematics

1 answer:

Galina-37 [17]2 years ago

4 0

Answer:

symmetric property

Step-by-step explanation:

with symmetric property if x=y then both values on either side of the equal sign will be equal

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If you take a number, times by 7 then subtract 1. You get the same as if you took the number, times by 5 then subtract 8. What i

valentinak56 [21]

Answer:

1 i think

Step-by-step explanation:

6 0

2 years ago

<img src="https://tex.z-dn.net/?f=n%20%3D%2020" id="TexFormula1" title="n = 20" alt="n = 20" align="absmiddle" class="latex-form

devlian [24]

Answer:

s=10

Step-by-step explanation:

Basically, the range rule-of-thumb is that the range is generally about four times the standard deviation.

First, we find the range:

Range=Maximum-Minimum

Range=100-60

Range=40

Next, divide the range by 4 to get the standard deviation

Range=4(Standard Deviation)

40=4(Standard Deviation)

10=Standard Deviation

Therefore, s=10, which is the standard deviation

6 0

2 years ago

Read 2 more answers

Someone please help.

Alexxandr [17]

Hi there!

$f(x)+f(x+1)=4f(x)$

There are 3 parts to this equation:

f(x)

f(x+1)

4f(x)

We must first determine these three parts separately.

1) f(x)

We're given that $f(x)=3^x$ :

⇒ $f(x)=3^x$ :

2) f(x+1)

Now, we must find f(x+1). To do so, add 1 to x in the original function $f(x)=3^x$ :

⇒ $f(x+1)=3^x^+^1$

3) 4f(x)

To find 4f(x), multiply the original function $f(x)=3^x$ by 4:

$4f(x)=4*3^x$ :

4) Put it all together

Now, plug each of the three parts into the equation $f(x)+f(x+1)=4f(x)$ :

$f(x)+f(x+1)=4f(x)$

$3^x+3^x^+^1=4*3^x\\3^x+3^x*3=4*3^x$

Factor the left side

$3^x*(1+3)=4*3^x$

Divide both sides by 3^x

$1+3=4\\4=4$

Because this equation is true, $f(x)+f(x+1)=4f(x)$ is therefore true.

I hope this helps!

3 0

2 years ago

What is the solution to the equation 6x + 2 = 9x-1

liubo4ka [24]

Answer:

Step-by-step explanation:

Step 1:

6x + 2 = 9x - 1

Step 2:

2 = 3x - 1

Step 3:

3 = 3x

Answer:

1 = x

Hope This Helps :)

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2 years ago

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Find the x -intercept of the line whose equation is 10 x + 3 y = 1. 1/3 1/10 1

prisoha [69]

the answer 1/10 hope that is correct

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2 years ago

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