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3 years ago

What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

4 0

Answer:

Hi! The answer to your question is y = 9

Step-by-step explanation:

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Hope this helps!!

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Hang 7 pictures with grandfather in the middle how many ways

PSYCHO15rus [73]

Two at the top (side by side)
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3 years ago

What’s the answer? <br> Idk what it is

Aleks [24]

Answer:

B -9/7

Step-by-step explanation:

We need to find a number between

-3 1/3 < x < -4/5

We want a number smaller than between -3 1/3 and -.8

Looking at the choices

-9/7 = - (7/7 + 2/7) = -(1+2/7) = -1 2/7

That is between -3 1/3 and -4/5

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3 years ago

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atroni [7]

-5n on both sides
M= -5n + p

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3 years ago

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The measure of an angle is 3 what is the measure of a complementary angle

notka56 [123]

The measure of its complementary angle is 87 degrees. When two complimentary angles are added to each other they equal 90 degrees.

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3 years ago

An operations analyst counted the number of arrivals per minute at an ATM in each of 30 randomly chosen minutes. The results wer

liraira [26]

Step-by-step explanation:

since Poisson distribution parameter is not given so we have to estimate it from the sample data. The average number of of arrivals per minute at an ATM is

$\hat{\lambda}=\bar{x}=\frac{\sum x}{n}=\frac{30}{30}=1$

So probabaility for $\mathrm{X}=1$ is

$P(X=1)=\frac{e^{-\lambda} \lambda^{x}}{x !}=\frac{e^{-1} \cdot 1^{1}}{1 !}=0.3679$

So expected frequency for $X=1$ is $0.3679^{*} 30=11.037$ (or $\left.11.04\right)$ .

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3 years ago