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garri49 [273]
3 years ago
14

Little bit more math hw

Mathematics
1 answer:
Brut [27]3 years ago
5 0

Answer:

x=-2

Step-by-step explanation:

For these kind of problems, simply take the denominator and compare it to zero. Then solve the equation.

x+2=0\\\\\Rightarrow x=-2       By subtracting 2 from both sides!

Best Regards!

You might be interested in
B) 2(x-3) + X = 5x-2(x+5)
aleksandrvk [35]

Answer:

X=x−4

Step-by-step explanation:

2(x−3)+X=5x−2(x+5)

Use the distributive property to multiply 2 by x−3.

2x−6+X=5x−2(x+5)

Use the distributive property to multiply −2 by x+5.

2x−6+X=5x−2x−10

Combine 5x and −2x to get 3x.

2x−6+X=3x−10

Subtract 2x from both sides.

−6+X=3x−10−2x

Combine 3x and −2x to get x.

−6+X=x−10

Add 6 to both sides.

X=x−10+6

Add −10 and 6 to get −4.

X=x−4

4 0
3 years ago
Which equation is equivalent to 4x + y=12? A.y=-4x-32 B.y=-4x+12 c.y=4x+12 D.y=4x-3
Rama09 [41]
The answer is <span>y=-4x+12 because they just moved the 4x

</span>
6 0
3 years ago
Read 2 more answers
So me 3 ways you get to 100
In-s [12.5K]
10 x 10 = 100
 20 + 20 + 20 + 20 +20 = 100
4 x 25 = 100
5 0
3 years ago
HELP PLEASE I DONT UNDERSTAND AND NEED TO PASS
Nina [5.8K]

Answer:

20 for de first one and answer (B) for the second.

Step-by-step explanation:

20 for de first one and answer (B) for the second.

hope this helped;3

7 0
3 years ago
According to an NRF survey conducted by BIGresearch, the average family spends about $237 on electronics (computers, cell phones
schepotkina [342]

Answer:

7.64% probability that they spend less than $160 on back-to-college electronics

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 237, \sigma = 54

Probability that they spend less than $160 on back-to-college electronics

This is the pvalue of Z when X = 160. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{160 - 237}{54}

Z = -1.43

Z = -1.43 has a pvalue of 0.0763

7.64% probability that they spend less than $160 on back-to-college electronics

4 0
3 years ago
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