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rodikova [14]
2 years ago
6

Please help!!!!!!!!!!! :(((

Mathematics
2 answers:
kykrilka [37]2 years ago
5 0

Answer:

7.5

Step-by-step explanation:

Use pythagorean thereom

lbvjy [14]2 years ago
5 0
The answer is 7,5

you can use pythagorean theorem coz this is a right triangle

a^2 + b^2 = c^2
(4,5)^2 + 6^2 = m^2
20,25 + 36 = m^2
m^2 = 56,25
m = 7,5
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How would you factorise 3y + 12
Flauer [41]

Answer:

lol it so easy man 3(y+4) is the answer

7 0
3 years ago
Cali bought a sweater priced a $60. If the sales tax is 9% what is the total purchase price of the sweater?
forsale [732]

Answer:

65.4

Step-by-step explanation:

60*.09 = 5.4

60+5.4 = 65.4

8 0
3 years ago
The weights of a certain brand of candies are normally distributed with a mean weight of 0.8544 g and a standard deviation of 0.
aleksandr82 [10.1K]

Answer:

The probability is 0.508 = 50.8%.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Normally distributed with a mean weight of 0.8544 g and a standard deviation of 0.0525 g.

This means that \mu = 0.8544, \sigma = 0.0525

If 1 candy is randomly​ selected, find the probability that it weighs more than 0.8535 g.

This is 1 subtracted by the pvalue of Z when X = 0.8535. So

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

Z = \frac{0.8535 - 0.8544}{0.0525}

Z = -0.02

Z = -0.02 has a pvalue of 0.492

1 - 0.492 = 0.508

The probability is 0.508 = 50.8%.

8 0
3 years ago
Fadi starts studying at 3:30 p.m.
Semmy [17]
Finishes studying at 4:10
starts playing at 4:10
finishes playing at 4:40
4 0
1 year ago
Read 2 more answers
Give an example question ( use words and numbers)
Ymorist [56]
A 2 - - 7 = 9
b - 3 - - 4 = 1
c - 5 - 6 = - 11
d - 3 - - 5 = 2
8 0
3 years ago
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