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mario62 [17]
3 years ago
15

What is the slope of the line represented by the equation -2y=x-1?

Mathematics
2 answers:
Serggg [28]3 years ago
8 0

<span>In the equation of a straight line:  y = mx + c, slope is  denoted </span>

 by the letter m.


\it -2y = x-1|_{:(-2)} \Rightarrow y = -\dfrac{1}{2}x+\dfrac{1}{2} \Rightarrow m = -\dfrac{1}{2}<span>

</span>
ozzi3 years ago
5 0
The slope is negative one half or -1/2
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Factor the expression.<br> 2x + 8
IgorC [24]

Answer:

2x+8

2 is common

2(x+4)=0

Step-by-step explanation:

5 0
2 years ago
A sample has a sample proportion of 0.3. which sample size will produce the
jasenka [17]

The sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

<h3>What are population and sample?</h3>

It is described as a collection of data with the same entity that is linked to a problem. The sample is a subset of the population, yet it is still a part of it.

We have:

A sample has a sample proportion of 0.3.

Level of confidence = 95%

At the same confidence level, the larger the sample size, the narrower the confidence interval.

As we have a 95% confidence interval the sample size should be lower.

The sample size from the option = 36 (lower value)

Thus, the sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

Learn more about the population and sample here:

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7 0
1 year ago
What is the first step in solving this equation? 3(2x+6)-4x 2(5x- 2) +6 Use the subtraction property of equality to subtract 6 f
LekaFEV [45]

Answer:

Use the distributive property on each side of the equation.​

Explanation:

PEMDAS

5 0
3 years ago
What would be the answer please explain
sp2606 [1]

Using the line of the best fit, the predicted student's score in English test is 48

<h3>How to determine the student's score in English?</h3>

From the question, we have:

Mathematics score = 60

The scores in English tests are plotted on the y-axis.

On the given graph, we have:

(x,y) = (60,48)

This means that when x = 60, the value of y is 48

This in other words means that the student's score in English test is 48

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6 0
2 years ago
(-7) x (-7)to the 11th power
masha68 [24]

Answer:

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You change the signs and multiple

5 0
2 years ago
Read 2 more answers
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