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Xelga [282]
2 years ago
8

Sheila is building an addition to a house. The points E(- 1 1/2, -2 1/2), F(4 1/2, -2 1/2), G(4 1/2, 3 1/2), and H (9-1 1/2, 3 1

/2) are the points she plotted on a coordinate plane to draw the new room plan. What is the shape of the addition to the house? What is the perimeter in units? Please help me answer this!!!!!
Mathematics
1 answer:
Helga [31]2 years ago
8 0

Answer:

24 units

Step-by-step explanation:

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What is the equation, in point slope form, of the line
melamori03 [73]

Answer:

y=3/2x+11/2

Step-by-step explanation:

Hello! Sorry  I just saw this

Anyways, let's continue

first, we need to find the equation of the line with the one that is (-2,-4) and (2,2)

first, we need to find the slope

the equation for slope is y2-y1/x2-x1

so let's label the points

x1=-2

y1=-4

x2=2

y2=2

now plug it in

2-(-4)/2-(-2)=6/4=3/2

now, let's turn it into a line

the point-slope form is y-y1=m(x-x1) (m=slope)

now, plug it in

y-(-4)=3/2(x-(-2))

simplify to

y+4=3/2(x+2)

turn into y=mx+b format

y+4=3/2x+3

subtract 4 on both sides

y=3/2x-1

Now for the line that is parallel.

Parallel lines have the same slopes, so you automatically know that the new line will be y=3/2x+b

To make sure (-3,1) is a solution to the point, put 1 as y and -3 as x

1=3/2(-3)+b

1=-9/2+b

add 9/2 on both sides

b=11/2 or 5.5

now, put it into the equation

y=3/2x+11/2

Hope this helps!

5 0
3 years ago
please help!!! ive been trying this question for the pass 20 minutes and cant seem to understand it!!
Lesechka [4]

Answer:

D

Step-by-step explanation:

Beacuse ‍♀️

5 0
3 years ago
Read 2 more answers
Please answer i need help
White raven [17]

Answer:

5-3í

Step-by-step explanation:

Because the root of nine is three, equaling 5-3í

3 0
2 years ago
Read 2 more answers
Irene finds the mass of her basketball is 587 grams and her baseball is 145 grams.
katrin2010 [14]
Answer: the basketball is 442 grams more than the baseball

Subtract the two numbers.

587 - 145 = 442
8 0
2 years ago
Find the solution of the system of equations.<br> 2y = 9<br> -6x + 4y = -46
Anvisha [2.4K]

Answer:

x = 32/3 , y = 9/2

Step-by-step explanation:

2y = 9

-6x + 4y = -46

y = 9/2

-6x + 4*(9/2) = - 46

- 6x +18 = - 46

- 6x = - 64

x = 64/6 = 32/3

7 0
2 years ago
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