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son4ous [18]
3 years ago
15

ℎ(?=4?Ȓ12 ?ћ???=?Ď(?−18​

Mathematics
1 answer:
Daniel [21]3 years ago
6 0

Answer:

4

Step-by-step explanation:

just trust me

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Help please!! 10 points <3
tangare [24]

Answer:

x = 5

Step-by-step explanation:

15 / 3 =5

5 0
3 years ago
Read 2 more answers
What is the area of this figure?​
iVinArrow [24]

Answer: To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.

6 0
3 years ago
I need helppppp ughhhhhhh
GarryVolchara [31]
Wrong person I pay someone to do my math for me :)
7 0
3 years ago
How much water can the large water hold?
Nady [450]

Answer:

700 ml

Step-by-step explanation:

If the 15cm bottle holds 500ml of water, you can create the ratio of 15:500, which simplifies to 3:100.

Since the second bottle is 21cm, you find 21:x.

Because you already have 3:100 as given from the first bottle, if you multiply both sides by 7 you get 21:700.

This means the second bottle holds 700ml.

6 0
3 years ago
Read 2 more answers
Suppose you randomly guess on every question of a 20 question True/False test. Let x = number of questions that you answer corre
castortr0y [4]

Answer:

18.14% probability that you would get at least 12 questions correct.

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:

\mu = 10, \sigma = 2.2

What is the probability that you would get at least 12 questions correct?

This is 1 subtracted by the pvalue of Z when X = 12. So

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

Z = \frac{12 - 10}{2.2}

Z = 0.91

Z = 0.91 has a pvalue of 0.8186.

So there is a 1-0.8186 = 0.1814 = 18.14% probability that you would get at least 12 questions correct.

6 0
3 years ago
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