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amid [387]
2 years ago
9

-3(2x-4)-2=2(5-3x) ANSWER NEEDED ASAP please

Mathematics
1 answer:
Elan Coil [88]2 years ago
5 0

Answer:

10=10 is a true statement so x∈{R}

Step-by-step explanation:


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A church group set off from their church at 10:00AM for the forest. The group noted that
Anna71 [15]

Answer:

11l:50

Step-by-step explanation:

110 min = 1 hour and 50 minutes

6 0
8 months ago
Solve the equation<br> 4.8y-6.9=3.18<br> Explain your thinking
Alex777 [14]
4.8y - 6.9 = 3.18 
4.8y= 3.18 + 6.9 (I added 6.9 to both sides)
4.8 y = 10.08 (I added 3.18 by 6.9)
y = 2.1 (I divided 4.8)

Hope this helps!!
5 0
3 years ago
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hana paid 1,200 for the carpet in her living room. the room has an area of 251.2 square feet. what was her unit cost of carpetin
rosijanka [135]
Itd be $4.78 
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8 0
3 years ago
Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi
den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31 or higher are significantly high

Step-by-step explanation:

Z-score:

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 = 20.6, \sigma = 5.2

Significantly low:

Z-scores of -2 or lower

So scores of X when Z = -2 or lower

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

-2 = \frac{X - 20.6}{5.2}

X - 20.6 = -2*5.2

X = 10.2

Test scores of 10.2 or lower are significantly low.

Significantly high:

Z-scores of 2 or higher

So scores of X when Z = 2 or higher

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

2 = \frac{X - 20.6}{5.2}

X - 20.6 = 2*5.2

X = 31

Test scores of 31 or higher are significantly high

6 0
3 years ago
-3×1/4-6 please help im losing my mind
lora16 [44]

Answer:

-45/4 or -11.25

I'm pretty sure this is right hope it helps

3 0
3 years ago
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