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marin [14]
3 years ago
14

Write the equation of a line that is perpendicular to the line y=4 and passes through point (-1, 1)​

Mathematics
1 answer:
ipn [44]3 years ago
6 0

Answer:

x = - 1

Step-by-step explanation:

y = 4 is the equation of a horizontal line parallel to the x- axis and passing through all points with a y- coordinate of 4

A perpendicular line is a vertical line parallel to the y- axis with equation

x = c

where c is the value of the x- coordinates the line passes through

The line passes through (- 1, 1) with an x- coordinate of - 1, thus

The equation of the perpendicular line is x = - 1

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How many square feet of outdoor carpet will we need for this hole
Fed [463]

Answer:

40 ft²

Step-by-step explanation:

The shape of the outdoor carpet can be decomposed into 2 triangles and 1 rectangle

✔️Area of triangle 1:

Area = ½*bh

b = 6 - 3 = 3 ft

h = 11 - 7 = 4 ft

Area of triangle 1 = ½*3*4 = 6 ft²

✔️Area of triangle 2:

Area = ½*by

b = 2 ft

h = 3 ft

Area of triangle 2 = ½*2*3 = 3 ft

✔️Area of rectangle = L × W

L = 11 ft

W = 3 ft

Area of rectangle = 11 × 3 = 33 ft

✅area of outdoor carpet = 4 + 3 + 33 = 40 ft²

4 0
3 years ago
The sum of the numbers as the product of their GCF and other sum so what is 32 plus 20???
densk [106]
I dont quite undeerstand but the gcf for both are..., if that helps is 4 because
30:2*2*2*2*2
22:2*2   5
4 0
3 years ago
What are the slope and y-intercept of the graph of this equation?
schepotkina [342]

Answer:

slope = y = 1/2

y-intercept = b = -3

Step-by-step explanation:

slope intercept equation:

y = mx + b----->(equation 1)

m is slope

b is y-intercept

y = 1/2x - 3----->(equation 2)

Compare (equation 1) and (equation 1)

slope = y = 1/2

y-intercept = b = -3

3 0
3 years ago
The owner of a music store received a shipment of stereos at a cost of $160 each. What will the selling price be if he applies a
kumpel [21]

The selling price will be $232 if he applies a 45% markup.

Step-by-step explanation:

Cost of each stereo = $160

Mark up = 45%

Amount of mark up = \frac{45}{100}*160

Amount of mark up = \frac{7200}{100} = \$72

Selling price = Cost of stereo + mark up

Selling price = 160 + 72 = $232

The selling price will be $232 if he applies a 45% markup.

Keywords: addition, markup

Learn more about addition at:

  • brainly.com/question/547255
  • brainly.com/question/545947

#LearnwithBrainly

4 0
3 years ago
Which of the following sets of numbers could not represent the three sides of a triangle?
leonid [27]

Answer:

Correct answer is option C

( 15 , 21 , 33 )

Step-by-step explanation:

hope it helps

5 0
2 years ago
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