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prohojiy [21]
3 years ago
6

M : _____ b : _____ Equation : ______ PLEASE HELP ME !!!

Mathematics
1 answer:
fredd [130]3 years ago
6 0

Answer:are you saying mx+b

Step-by-step explanation: hopefully that helps you mark me brainlest please

and like

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Equivalent 5(6x+3y)
STALIN [3.7K]

The equivalent expression is 30x + 15y

<em><u>Solution:</u></em>

Given that we have to find the equivalent expression for given expression

<em><u>Given expression is:</u></em>

5(6x + 3y)

We can find the equivalent expression by using distributive property

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

<em><u>By distributive property,</u></em>

a(b + c) = ab + ac

Therefore, in given expression 5(6x + 3y), 5 can be multiplied with both 6x and 3y

\rightarrow 5(6x + 3y) = 5 \times 6x + 5 \times 3y

Multiply the numbers and simplify

\rightarrow 5(6x + 3y) = 5 \times 6x + 5 \times 3y = 30x + 15y

Thus the equivalent expression is 30x + 15y

3 0
3 years ago
The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 104 inches, and a standard
dsp73

Answer:

91.92% probability that the mean annual precipitation during 49 randomly picked years will be less than 106.8 inches

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

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.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 104, \sigma = 14, n = 49, s = \frac{14}{\sqrt{49}} = 2

What is the probability that the mean annual precipitation during 49 randomly picked years will be less than 106.8 inches

This is the pvalue of Z when X = 106.8. So

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

By the Central Limit Theorem

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

Z = \frac{106.8 - 104}{2}

Z = 1.4

Z = 1.4 has a pvalue of 0.9192

0.9192 = 91.92% probability that the mean annual precipitation during 49 randomly picked years will be less than 106.8 inches

8 0
3 years ago
Pre-algebra
Vladimir79 [104]
Write down the numbers in the chart, write them on a number line, put a point on the number farthest from 0, Closer
4 0
2 years ago
Read 2 more answers
Three less than the product of 9 and a number is equal to 6
Alchen [17]

Answer:

3<9n=6 or 3-9n≤6

Step-by-step explanation:

if you are writing an equation I would go with the second

8 0
3 years ago
Read 2 more answers
If m FDG = 50°, what is m FEG?<br><br> 75°<br> 50°<br> 100°<br> 25°<br><br> Thank you!
denpristay [2]
The measure of the angle FEG is probably the same as the measure of the angle FDG. There is nothing saying that EF is parallel to DG, but if so, the measure of the angle FEG is also 50º.
When the diagonals of a trapezium with two parallel bases inside of a circle are drawn, they make the same angle measure with those bases.
7 0
3 years ago
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