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3 years ago

If i have to put a relfection on triangle ABC across the y-axis.

Mathematics

1 answer:

deff fn [24]3 years ago

6 0

Answer:

A coordinates are (-2,2)

B coordinates are (-2,4)

C coordinates are (-5,3)

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Identify an equation in point-slope form for the line perpendicular to y = –4x – 1 that passes through (–2, 7).

Harlamova29_29 [7]

To get a perpendicular line, your slopes will equal -1 when multiplied...this means if we multiply - 4 x (1/4), we get out slope to use for the next step.

Y - Y1 = M(X - X1) passes through (-2, 7)
Y - 7 = 1/4(X - (-2))
Y - 7 = 1/4(X + 2)
Y - 7 = 1/4X + 1/2
+7 + 7
Y = 1/4X + 7.5

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3 years ago

Read 2 more answers

Which graph shows the solution to the system of linear inequalities?

Brilliant_brown [7]

Answer:

this is answer

Step-by-step explanation:

To graph a linear inequality in two variables (say, x and y ), first get y alone on one side. Then consider the related equation obtained by changing the inequality sign to an equality sign. The graph of this equation is a line. If the inequality is strict ( < or > ), graph a dashed line.

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2 years ago

Darryl wants to add enough water to 8 gallons of a 10% bleach solution to make a 5% bleach solution. Which equation can he use t

Margarita [4]

Answer:

2) 0.8/8+x=5/100

Step-by-step explanation:

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3 years ago

Three-eighths of the teachers at Naran's school are men, and 30 of the teachers are women. (Each teacher is either a man or a wo

Vlad1618 [11]

48 teachers 30 w 18 m

5/8=30

3/8=x

5/8 x =3/8 30

remove 8 from both sides

5x=90

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3 years ago

Kin made a Picture frame for a square picture with sides that are 5f-4 inches long. Framing the picture adds 2 inches to the len

elena-s [515]

The perimeter of a shape is the sum of its side lengths

The expressions for the perimeter of the frame are 4(l + 2) and 4l + 8

<h3>How to determine the perimeter of the shape</h3>

The side length of the frame is given as l

So, the perimeter of the frame is

: $P = 4l$

When 2 inches are added to each length, the perimeter of the frame becomes

$P =4(l + 2)$

Expand

$P =4l + 8$

Hence, the expressions for the perimeter of the frame are 4(l + 2) and 4l + 8