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4 years ago

3x + 5x + 8y Simplified

Mathematics

2 answers:

sattari [20]4 years ago

7 0

Answer:

8x + 8y

Step-by-step explanation:

Simplify

Hope this helps. Have a great day. :)

-wfz

const2013 [10]4 years ago

4 0

Answer:

your answer is 16X

Step-by-step explanation:

So First u take away the X's for a while then u plus em' all

the the answer is 16 and just add the X on so the answer is 16x

Have a great Day!

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What equation results from completing the squre and then factoring x^2+10=15

nlexa [21]

For this case we must complete squares:

$x ^ 2 + 10x = 15$

We add the square of half the coefficient of the term "x",

$(\frac {b} {2a}) ^ 2$ on both sides of the equation:

$x^2+10x+(\frac {10} {2 (1)}) ^ 2 = 25 + 15\\x ^ 2 + 10x + 5 ^ 2 = 25 + 15$

According to the perfect square trinomial we have:

$(a + b) ^ 2 = a ^2 + 2ab + b ^ 2$

Rewriting the expression we have:

$a = x\\b = 5\\(x + 5) ^ 2 = 25 + 15\\(x + 5) ^ 2 = 40$

ANswer:

$(x + 5) ^ 2 = 40$

6 0

3 years ago

Enter your answer in the box.<br>The triangles are similar.<br>What is the value of x?

IrinaVladis [17]

Answer:

x = 21

Step-by-step explanation:

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3 years ago

An organization has members who possess IQs in the top 4% of the population. If IQs are normally distributed, with a mean of 100

murzikaleks [220]

Answer:

The minimum IQ score will be "126".

Step-by-step explanation:

The given values are:

Mean

$\mu = 100$

Standard deviation

$\sigma=15$

Now,

⇒ $P(z>x)=4 \ percent \ i.e., 0.04$

⇒ $P(z>\frac{x- \mu}{\sigma} )=0.04$

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⇒ $\frac{x-100}{15}=z0.96$

$=NORMDIS(z=0.96)$

$=1.751$

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$=126.265 \ i.e., 126$

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3 years ago

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mafiozo [28]

Hi!

I believe the answer is D , because the common denominator is 12 .

3 times 4=12
4 times 3=12
2 times 6= 12

You multiply each fraction by 12/1 .

Hope it helps and have a wonderful day !

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Vaselesa [24]

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3 years ago

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