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Dahasolnce [82]
2 years ago
15

Which description best compares the graphs given by the equations: x-5y=-5 5x-25y=75

Mathematics
1 answer:
yulyashka [42]2 years ago
4 0

Considering the slopes of the given lines, they are parallel lines.

<h3>When are lines parallel, perpendicular or neither?</h3>

The slope, given by <u>change in y divided by change in x</u>, determines if the lines are parallel, perpendicular, or neither, as follows:

  • If they are equal, the lines are parallel.
  • If their multiplication is of -1, they are perpendicular.
  • Otherwise, they are neither.

The first line, in standard form, is given by:

5y = x + 5

y = 0.2x + 1.

The slope is of m = 0.2.

For the second line, we have that:

25y = 5x - 75

y = 0.2x - 3

The slope is of m = 0.2.

Same slope, hence the lines are parallel.

More can be learned about the slope of a line at brainly.com/question/12207360

#SPJ1

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Identify all points and line segments in the picture below. This image has the potential for visual bias, so there is no alterna
rusak2 [61]

Answer:

The answer is D

Step-by-step explanation:

d. Points: A, B, C, D Line segments: bar(AB), bar(AC), bar(BD)

7 0
4 years ago
A student wanted to construct a 95% confidence interval for the mean age of students in her statistics class. She randomly selec
Alex_Xolod [135]

Answer:

95% confidence interval for the population mean is 20.255 and 17.945

Step-by-step explanation:

given data

mean = 19.1

standard deviation = 1.5

n = 9

to find out

95% confidence interval for the population mean

solution

we know 95% confidence interval formula i.e.

mean +/- t * standard deviation/\sqrt{n}   .............1

here t for 9 students 2.31 ( from t table)

so put all value n t standard deviation and mean in equation 1

= mean +/- t * standard deviation/\sqrt{n}

= 19.1 +/- 2.31 * 1.5/\sqrt{9}

= 19.1 +/- 2.31 * 1.5/\sqrt{9}  

= 20.255 and 17.945

95% confidence interval for the population mean is 20.255 and 17.945

7 0
3 years ago
Y - 3 = -2 ( x + 5 ) in standard form
agasfer [191]

Answer:

2x + y = -7

Step-by-step explanation:

Standard form is Ax + By = C

A represents the coefficient with x

B represents the coefficient with y

C represents the constants

1 - Rewrite to make it easier to work it out

y - 3 = -2 ( x + 5 )

2 - Distribute

y - 3 = -2x - 10

3 - Get the variables on one side and the constants on the other

y - 3 = -2x - 10

+ 2x  + 2x

2x + y - 3 = -10

         + 3   + 3

2x + y = -7

Hope this helps,

7 0
3 years ago
2. The 2002 Denali earthquake in Alaska had a Richter scale magnitude of 6.7. The 2003 Rat Islands earthquake in Alaska had a Ri
HACTEHA [7]

Answer:

the building strong enough to withstand the denali quake

Step-by-step explanation:

denali quake 6.7  x 70 = 469

the building in denali should be strong enough to withstand an earthquake of that magnitude  

rat island quake 7.8 x 30 = 234

the building in the rat islands  should be strong enough to withstand an earthquake of that magnitude  

3 0
4 years ago
Mean average of this question plz.
stira [4]
 for this answer
 I got 32
7 0
3 years ago
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