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Leni [432]
3 years ago
12

ASAP NEED HELP PLEASE OH AND THIS IS 7TH GRADE MATH SO YEAH HELP

Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0
Wouldn’t it be PQR.
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Solve the triangle. round your answer to the nearest tenth
kirza4 [7]

Answer:

∡A =41°

~~~~~~~~~~~~

BC=21

~~~~~~~~~~~~~~

sin(24)/AC=sin(41)/21

AC=13

~~~~~~~~~~~~~~

sin(115)/AB=sin(41)/21

AB=29

Step-by-step explanation:

7 0
3 years ago
Points A(-2, 4), B(1, 3), C(4, -1) and D form a parallelogram. What are the coordinates of D?
Rudik [331]
Let point A(-2,4)  = A (X1,Y1)
      point B( 1,3  )= B (X2,Y2)
      point C(4,-1)  = C (X3,Y3)
and point D(?, ?) = D (X4,Y4)  We have to find this point

To find X4 we have to use the formula:
X2-X1=X3-X4

Now just plug in the numbers that correspond to the letters provided:
(1)-(-2)=(4)-(X4) ----> we don't know what X4 is yet, so we have to solve for it!
1+2=4-X4
3=4-X4
3-4=-X4
-1=-X4  divide both sides by -1
X4=1

Now we have to find Y4 using this formula:
Y2-Y1=Y3-Y4

Therefore,
(3)-(4)=(-1)-(Y4)
-1=-1-Y4
-1+1=-Y4
0=-Y4
So,
Y4=0


Now we have found the coordinates of the point D, which is (1,0)

Hope this helped!
8 0
3 years ago
Read 2 more answers
Give me some ways to make 7,502
Komok [63]
7,000+500+2
2(3751)
7x10^3+5x10^2+2X10^0
5(1500.4)

8 0
3 years ago
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PilotLPTM [1.2K]

Answer:

Answers 3 and 5

Step-by-step explanation:

8 0
3 years ago
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The red figure is congruent to the blue figure. Choose two different sequences of transformations in which the blue figure is th
harkovskaia [24]

Answer:

  • 1 and 4

Step-by-step explanation:

1. Rotate 90° counterclockwise about the origin and then translate 5 units left.

  • Correct

2. Reflect across the y-axis and then rotate clockwise 180° about the origin.

  • Incorrect, this ends up in the first quadrant, additional translation is required

3. Rotate 180° about the origin.

  • Incorrect, additional translation is required followed by rotation.

4. Rotate 90° clockwise about the origin and then translate 1 unit right and 5 units up.

  • Correct
7 0
3 years ago
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