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gulaghasi [49]
3 years ago
6

Help me plsssssssssssssssssssssssssssss

Mathematics
1 answer:
Inessa [10]3 years ago
7 0
Ahh ok so a traingle has a total of 180 degrees

So you can subtract all the given angles you have (90 degrees and 42.7 degrees) from 180.

180-42.7-90=47.3 degrees :)
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Circle.center:(2,-5).radius:9
Kaylis [27]

Answer:

Step-by-step explanation:

eq. of circle with center (h,k) and radius=r is

(x-h)²+(y-k)²=r²

reqd. eq. is

(x-2)²+(y+5)²=9²

8 0
3 years ago
A partial proof was constructed given that MNOP is a parallelogram.
Yanka [14]
A diagram of parallelogram MNOP is attached below

We have side MN || side OP and side MP || NO

Using the rule of angles in parallel lines, ∠M and ∠P are supplementary as well as ∠M and ∠N.

Since ∠M+∠P = 180° and ∠M+∠N=180°, we can conclude that ∠P and ∠N are of equal size. 

∠N and ∠O are supplementary by the rules of angles in parallel lines
∠O and ∠P are supplementary by the rules of angles in parallel lines

∠N+∠O=180° and ∠O+∠P=180°

∠N and ∠P are of equal size

we deduce further that ∠M and ∠O are of equal size

Hence, the correct statement to complete the proof is

<span>∠M ≅ ∠O; ∠N ≅ ∠P

</span>

4 0
3 years ago
Read 2 more answers
A rectangular auditorium seats 1302 people. The number of seats in each row exceeds the number of rows by 11. Find the number of
sveticcg [70]
Number of seats = 42

Seats per row x row = 1302
s x r = 1302

rows + 11 = seats per row
r + 11 = s

s x r = 1302
(r + 11) x r = 1302
r^2 + 11r = 1302
r^2 + 11r - 1302 = 0
(r + 42) x (r - 31) = 0
r = -43 or 31

Cannot have negative rows so the number of rows is 31, and the number of seats per row is 31 + 11 = 42

Check: 31 x 42 = 1302 :)
8 0
2 years ago
How many 90 degree angle does it take to make a full turn
ser-zykov [4K]
Full turn = 360°

Number of 90° = 360 ÷ 90 = 4 

-------------------------------------------------------
Answer: It takes 4 90° to make a full turn.
-------------------------------------------------------
7 0
2 years ago
Read 2 more answers
Evaluate the expression 3^4 ÷ (14 − 5) × 2.
gavmur [86]

Answer:

18

Step-by-step explanation:

3^4=9*9=81

14-5=9

81/9=9

9*2=18

8 0
3 years ago
Read 2 more answers
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