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____ [38]
3 years ago
11

HELPPP!! PLSSS IM STUCK The vertices of a triangle are P(-7, -4), Q(-7, -8, and R(3, -3). Name the vertices of the image reflect

ed across the line y=x.
P'(4, 7), Q'(8, 7), R'(3, -3)?
P'(4, -7), Q'(8, -7), R'(3, 3)?
P'(-4, -7), Q'(-8, -7), R'(-3, 3)?
P'(-4, 7), Q'(-8, 7), R'(-3, -3)?
Mathematics
1 answer:
kvasek [131]3 years ago
8 0
Reflection across the line y= x, cause to interchange the x and y coordinate
 p(x,y) ⇒ p(y,x)
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What is the area of a 45 degree sector of a circle with a radius of 12 in.
Elodia [21]

given ,

a circle of radius 12 inches

and \theta = 45°

now we know that ,

\\{Area \: of \: sector =  \frac{\theta}{360\degree}  \times \pi \: r {}^{2} } \\  \\

let's now plug in the values of radius and theta as 12 inches and 45° respectively ,

\\\dashrightarrow \:  \frac{45}{360}  \times  \frac{22}{7}  \times 12 \times 12 \\  \\ \dashrightarrow \:  \frac{1}{8}  \times  \frac{22 \times 12 \times 12}{7}  \\  \\ \dashrightarrow \:  \frac{22 \times 12 \times 12}{56}  \\  \\ \dashrightarrow \:  \frac{3168}{56}  \\  \\ \dashrightarrow \: 56.57 \: inches {}^{2} (approx.)

hope helpful :D

6 0
2 years ago
Determine the area under the standard normal curve that lies to the right of the z-score 0.48 and to the left of the z-score 0.7
pychu [463]

Answer:

The area lies to the right of the z-score 0.48 means all the values greater than it. This can be calculated on a graphing calculator using the function normCdf, where

  • Lower bound = 0.48
  • Upper bound = 9999
  • Mean = 0
  • Standard deviation = 1

<u>The result would be normCdf(0.48,9999,0,1) ≈ </u><u>0.315614</u>

<u />

The area lies to the left of the z-score 0.79 means all the values less than it. This can be calculated on a graphing calculator using the function normCdf, where

  • Lower bound = -9999
  • Upper bound = 0.79
  • Mean = 0
  • Standard deviation = 1

<u>The result would be normCdf(-9999,0.79,0,1) ≈</u><u> 0.785236</u>

6 0
3 years ago
How much higher is 500m than 400m
zaharov [31]

Answer:

100m

Step-by-step explanation:

just subtract them from each other

                                 

                                           500m

                                       -   400m

                                         -----------

                                           100m

7 0
3 years ago
Read 2 more answers
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maksim [4K]
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3 0
3 years ago
(06.02 MC)
ololo11 [35]

Answer:

5n+8

4 times the quantity of a number and six

Step-by-step explanation:

8 more than 5 times a number

more than comes after

5 time a number

5n

8 more than

5n+8

4(n + 6)

4 times the quantity of a number and six

4 0
2 years ago
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