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Oksanka [162]
2 years ago
8

Which graph represents a line with a slope of and a y-intercept equal to that of the line y = x – 2? A coordinate plane with a l

ine starting at (negative 2, negative 4), passing through (0, negative 2) and (2, 1). A coordinate plane with a line passing through (negative 3, 0) and (0, 2). A coordinate plane with a line passing through (0, 2) and (2, negative 1). A coordinate plane with a line passing through (negative 3, 0) and (0, negative 2).
Mathematics
2 answers:
Vera_Pavlovna [14]2 years ago
5 0

Answer:

(A)A coordinate plane with a line starting at (negative 2, negative 4), passing through (0, negative 2) and (2, 1).

Step-by-step explanation:

Given the line: y=x-2

Comparing with the slope-intercept form y=mx+b

  • Slope, m=1
  • y-intercept is -2.

Therefore, the point (0,-2) must be on the line.

Only Options A and D have this point.

We then determine which has a slope, m=1.

<u>Option A</u>

Using points (-2,-4) and (0,-2)

Slope, m=\dfrac{-2-(-4)}{0-(-2)} =\dfrac{-2+4}{2}=1

<u>Option D</u>

Using points (-3,0) and (0,-2)

Slope, m=\dfrac{-2-0}{0-(-3)} =-\dfrac{2}{3}

Therefore, Option A satisfy the requirements.

lys-0071 [83]2 years ago
3 0

Answer:

D

Step-by-step explanation:

The line would be negative and 2/3 is less than one so it decreases ver slowly. It is the bottom option below the 3, or D

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o-na [289]

Answer: it could end in 20 different ways.

Step-by-step explanation:

This match could be

3x0 D or F

3x1 D or F

3x2 D or F

For 3x0

We have 2 options: DDD or FFF

2.P₁ = 2.1 = 2

For 3x1

We have 6 options

DFDD         FDFF

DDFD         FFDF    

FDDD         DFFF

2.3.1 = 6

For 3x2

we have 12 options:

DFDFD          FDFDF

DDFFD          FFDDF

DFFDD          FDDFF

FFDDD          DDFFF

FDFDD          DFDFF

FDDFD          DFFDF

2.3.2 = 12

In total we could have 20 outcomes.

5 0
2 years ago
2. When Professor Rodríguez conducted the proofreading study, the average number of errors detected in the print and computer co
Amanda [17]

Answer:

Answer in explanation

Step-by-step explanation:

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What majorly could have caused this is the difference in sample size. In a scientific experiment, the term sample size refers to how many individual observations are present.

Due to this difference in sample size, an experiment conducted with more sample size is expected to yield a greater amount of degree of freedom.

Thus, the small differences between the groups of observations are likely to be statistically significant.

3 0
2 years ago
The formula F=9/5(k-273.15)+32 converts a temperature from kelvin K to degrees Fahrenheit F.
Bezzdna [24]

Step One

Subtract 32 from both sides.

F - 32 = 9/5(k - 273.15)  

Step Two

Multiply by 5/9 on both sides.

5/9*(F - 32) = 5/9 * 9/5 (k - 273.15)

5/9*(F - 32) = k - 273.15

Step Three.

Add 273.15 to both sides.

5/9*(F - 32) + 273.15 = k

Problem B

F = 180

<em><u>Solve</u></em>

5/9*(F - 32) + 273.15 = k

5/9*(180 -32) + 273.15 = k

5/9*148 + 273.15 = k

82.2222 + 273.15 = k

355.37 = k

k = 355.4   <<< Answer

6 0
2 years ago
Read 2 more answers
On a website selling books, three paperback books and five hardcover books cost $80.10, and seven paperback books and four hardc
Lisa [10]
To answer this kind of question, you need to insert the first equation into second equation or vice versa. The equation from the question should be:

1. 3 paperback books +  5 hardcover book = $80.10
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It would be easier to convert the 1st equation into
5 hardcover book = $80.10- 3 paperback books
hardcover book= $16.02- 0.6 paperback books

Then insert it to 2nd equation:
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Insert paperback book price to the first equation to find the hardcover book price
3 paperback books +  5 hardcover book = $80.10
3 ($7.95)+  5 hardcover book = $80.10
5 hardcover book = $80.10 - $23.85= $56.25
hardcover book = $11.25

Then one paperback and one hardcoverbook= $7.95 + $11.25= $19.20 
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2 years ago
Given: △PTC
Natalka [10]
Given the the two angles find the missing angle of P which is 30 degrees.

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The hypotenuse, the largest side is PC because it corresponds to angle T

Using Pythagorean Theorem
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(4)^2 + (4)^2 = (PC)^2
PC = rad(32)

Someone fact check plz
6 0
2 years ago
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