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kotykmax [81]
3 years ago
6

Which equation represents a line that is parallel to the line with equation y = 2x + 1?

Mathematics
1 answer:
Savatey [412]3 years ago
8 0

Answer:

C. -2x + y = 2

Step-by-step explanation:

Two lines which are parallel to each other should have the same slope,

looking at A: slope m = -2 not equal to 2

looking at B: slope m = -2

looking at C: slope m = 2

looking at D: slope m = -2

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Answer: 2

Step-by-step explanation:

It is like you a=have 3 pencils and you give 1 to your friend how many will you have?

subtract 1 from 3

3-1=2

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3 years ago
A cookie jar contains 2 chocolate chip cookies, 4 peanut butter cookies, and 3 sugar cookies. A child chooses one cookie at rand
marishachu [46]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distribute
balu736 [363]

Answer:

The area of the shaded region is 0.9082.

Step-by-step explanation:

Problems of normally distributed samples can be 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, which is the area of the shaded region, 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 = 100, \sigma = 15, X = 120

Area of the shaded region:

pvalue of Z

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

Z = \frac{120 - 100}{15}

Z = 1.33

Z = 1.33 has a pvalue of 0.9082

So

The area of the shaded region is 0.9082.

4 0
3 years ago
Choose all that apply:
mr Goodwill [35]

Answer:

Step-by-step explanation:

<em>1.</em> <em>Circle A and circle A', have the same circumference.</em> <em>(Yes)</em>

<em>2.</em> <em>The radii of circle A and circle A', have the same lengths.</em> <em>(Yes)</em>

3. .... (No)

4. ... (No)

8 0
3 years ago
How to convert a number from standard form to scientific notation
Y_Kistochka [10]
To convert to scientific notation, start by moving the decimal place in the number until you have a coefficient between 1 and 10; here it is 3.45. The number of places to the left that you had to move the decimal point is the exponent. Here, we had to move the decimal 4 places to the right, so the exponent is -4.
6 0
3 years ago
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