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masya89 [10]
2 years ago
12

Help plzzzzzzzzzzzzzz ​

Mathematics
1 answer:
zmey [24]2 years ago
5 0

Answer:

side HA and side AT

Step-by-step explanation:

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What set of transformations is performed on triangle RST to form triangle R’S’T’?
DanielleElmas [232]

Answer:

The last option is correct

Step-by-step explanation:

A translation of 2 units down takes S to the point (1, -1). Then a counterclockwise rotation  about the origin  takes S to the point  (-1, -1)  where we have S' .  

8 0
3 years ago
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Find the unit price of 8 mugs for $38.32<br> A.) $4.99<br> B.) $4.97<br> C.) $4.79<br> D.) $4.77
Anastasy [175]

Answer:

C. 4.79

Step-by-step explanation:

I divided 38.32 by 8 to find the individual prices

8 0
2 years ago
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A normal distribution has a standard deviation equal to 39. What is the mean of this normal distribution if the probability of s
Naily [24]

Answer:

The mean is \mu = 131

Step-by-step explanation:

Problems of normally distributed samples are 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:

\sigma = 39

What is the mean of this normal distribution if the probability of scoring above x = 209 is 0.0228?

This means that when X = 209, Z has a pvalue of 1-0.0228 = 0.9772. So when X = 209, Z = 2.

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

2 = \frac{209 - \mu}{39}

209 - \mu = 2*39

\mu = 209 - 78

\mu = 131

The mean is \mu = 131

7 0
3 years ago
Help please WILL GIVE BRAINLEIST
JulsSmile [24]

Answer:

D. 0.85

Step-by-step explanation:

divide 6 by 5.10

6 0
3 years ago
Which expression can be used to solve 3/5 divide by 7/10
kramer

Answer:

\frac{3}{5} *\frac{10}{7}  

=  \frac{30}{35} =\frac{6}{7}

7 0
3 years ago
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