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3 years ago

Write y=-3/4x+3 in standard form using integers

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

4 0

Answer:

12x+3 / 4x

Step-by-step explanation:

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Lulu wants to get fit. She started with 50 laps a day and she intends to add 10 laps every week. Write a mathematical expression

vlabodo [156]

Answer: 10x + 50

Step-by-step explanation:

lets say that x is equal to the amount of weeks that she runs. She starts off the first week with 50

Then, since she is adding 10 every week, you would do 10x, or 10 times the amount of weeks that she runs.

Since you originally started with 50, you have to add the 50 to the 10x.

So you get...

For example

on week 2, if you plug in 2 to x you get

10(2) +50

20 + 50

70 laps after the second week

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1 year ago

A computer manufacturing company has sent a mail survey to 2,800 of its randomly selected customers that have purchased a new la

vodka [1.7K]

Answer:

The 96% confidence interval for the population proportion of customers satisfied with their new computer is (0.77, 0.83).

Step-by-step explanation:

We have to calculate a 96% confidence interval for the proportion.

We consider the sample size to be the customers that responded the survey (n=800), as we can not assume the answer for the ones that did not answer.

The sample proportion is p=0.8.

$p=X/n=640/800=0.8$

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.8*0.2}{800}}\\\\\\ \sigma_p=\sqrt{0.0002}=0.014$

The critical z-value for a 96% confidence interval is z=2.054.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_p=2.054 \cdot 0.014=0.03$

Then, the lower and upper bounds of the confidence interval are:

$LL=p-z \cdot \sigma_p = 0.8-0.03=0.77\\\\UL=p+z \cdot \sigma_p = 0.8+0.03=0.83$

The 96% confidence interval for the population proportion is (0.77, 0.83).

4 0

2 years ago

The measure of ∠FHJ is 60°. The measure of ∠FGH is 28°. What is the measure of ∠HFG?

Hatshy [7]

Given
∠FHJ = 60°
∠FGH = 28°

∠FHG = 180 - ∠FHJ
∠FHG = 180 - 60
∠FHG = 120

∠HFG = 180 - (28 + 120)
∠HFG = 180 - 148
∠HFG = 32

6 0

3 years ago

The profit a company earns every month depends on the amount of product sold,p, for $855 each and the amount spent in rent, util

Rina8888 [55]

the CEO earns about 31045.5 in a given month

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2 years ago

Help, brainiest, five stars, and thanks for correct answers.

Alisiya [41]

Answer: help this werd account just asked me on a date and i dont even know them thay swared and i did not understand do you know what to do i know this is not an aser but pleas help......

Step-by-step explanation: please.........

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3 years ago