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saul85 [17]
2 years ago
13

4a) The vertices of a triangle are P(-7, -4) Q(-7, -8) and R(3, -3). What are the

Mathematics
1 answer:
aniked [119]2 years ago
6 0

Answer:

P' (-4 , -7)

Step-by-step explanation:

reflection over y=x, (x,y) -> (y,x)

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Determine and state the coordinates of the center and length of the radius of a circle whose equation is
padilas [110]
First, rewrite the equation in standard form.
The center-radius form of the circle equation<span> is in the format:
(x – h)^</span>2<span> + (y – k)^</span>2<span> = r^</span>2
<span>with the center being at the </span>point<span> (h, k) and the radius being "r".
</span>
(x-3)^2 + (y+4)^2 = 81

From here, you can determine the center and radius. The center is at (3,-4) and the radius is 9.

4 0
3 years ago
Maury and his mom painted the rectangular wall in Maury room Maury painted 1/6 of the wall and his mom painted 1/4 of the wall H
sasho [114]

Answer: 7/12

Step-by-step explanation:

1- 1/6 - 1/4

5/6 - 1/4

10/12 - 3/12

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4 0
2 years ago
If m angle ACB=30 and m angle A=80 , find m angle B
larisa86 [58]
Angle b=180-angleaacb-angle a
angle b=70
4 0
2 years ago
Read 2 more answers
If triangle PQR is similar to SQT, find the value of
ankoles [38]

Answer:

x = 31.4

PQ = 58.8

Step-by-step explanation:

Set up a proportion:

SQ/QP = ST/PR

Substitute in the values they give you:

\frac{x-9}{x-9+x+5}  = \frac{8}{21}

\frac{x - 9}{2x - 4} = \frac{8}{21}

21x - 189 = 16x - 32\\5x = 157\\x = 31.4

This means that PQ = 2x - 4 = 2(31.4) - 4 = 62.8-4 = 58.8

5 0
2 years ago
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Rachel withdraws ​$18 from the bank account once each day for six days. What integer represents the change in the amount in the​
Margarita [4]

Answer:

-108

108

Step-by-step explanation:

Since it is withdrawing, we are taking away -$18 every day for 6 days.

(-18)*6 = -108

Since it is deposits, we are adding to the amount in her account, +$18 for 6 days.

18*6 = 108

The difference is that one is taking away and one is adding each day, resulting in negative or positive change.

4 0
3 years ago
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