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Katarina [22]
3 years ago
9

What is the value of x? Please answer ASAP

Mathematics
2 answers:
hram777 [196]3 years ago
6 0

Answer:

just do 13 time 12

Step-by-step explanation:

Komok [63]3 years ago
5 0

Answer:

x = 5

Step-by-step explanation:

You have a right triangle, so you can use the Pythagorean Theorem.

a^2 + b^2 = c^2

x^2 + 12^2 = 13^2

x^2 + 144 = 169

x^2 = 25

x = 5

Answer: x = 5

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Malik collects rare stamps and has a total of 96 stamps. He has 24 more domestic stamps than foreign stamps. Let d represent the
Dvinal [7]

Answer:

Domestic Stamps: 60

Foreign Stamps: 36

Step-by-step explanation:

96 - 24 = 72

72 ÷ 2 = 36

36 + 24 = 60

d - f = 24

60 - 36 = 24

24 = 24

d + f = 96

60 + 36 = 96

96 = 96

6 0
2 years ago
Read 2 more answers
Hello help pls :3333333 I only need the answer to part B which asks about the mean
statuscvo [17]

Answer:9

Step-by-step explanation:

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3 years ago
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Solve 4x + 8y = 16 for x.
leonid [27]
I got x = 4-2y

4x+8y=16
-8y=-8y

4x=16-8y
— ——-
4 4

x=4-2y
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3 years ago
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Compensation for 195x5=
Aleks04 [339]
The answer to 195x5 is 975
7 0
3 years ago
Assume that the random variable X is normally​ distributed, with mean muequals45 and standard deviation sigmaequals10. Compute t
saul85 [17]

Answer:

0.1069 = 10.69%

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 question:

\mu = 45, \sigma = 10

Between 57 and 69

This is the pvalue of Z when X = 69 subtracted by the pvalue of Z when X = 57. So

X = 69

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

Z = \frac{69 - 45}{10}

Z = 2.4

Z = 2.4 has a pvalue of 0.9918

X = 57

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

Z = \frac{57 - 45}{10}

Z = 1.2

Z = 1.2 has a pvalue of 0.8849

0.9918 - 0.8849 = 0.1069 = 10.69%

4 0
3 years ago
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