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sashaice [31]
3 years ago
5

Please help with this pls.

Mathematics
1 answer:
allochka39001 [22]3 years ago
5 0

Answer:

x = 9

(5x9) - 1° = 45 - 1 or 44°

Step-by-step explanation:

the little square indicates the angle is a right angle, measuring 90°

therefore, you can solve for 'x' by creating this equation:

46 + 5x-1 = 90

45 + 5x = 90

5x = 45

x = 9

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Help me with this question pleasseee
Paul [167]
(2,5)

You just reverse it. Imagine folding the graph in half along the line. :)
6 0
3 years ago
Answer Please first = brainliest only if correct.
Kisachek [45]

Answer:

3x + 2y = 315 -----(1)

2x + 4y = 450 -----(2)

from (1) 3x + 2y = 315

2y = 315-3x

y = 157.5 - 3/2x ---- (3)

substitute (3) into (2)

2x + 4y = 450

2x + 4(157.5 - 3/2x ) = 450

2x + 630 - 6x = 450

-4x = -180

x = 45 ---- (4)

substitute (4) into (3)

y = 157.5 - 3/2x

y = 157.5 - 3/2(45)

y = 90

a haircut,x = 45 minutes

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3 0
4 years ago
Need Help!!! <br> Radius= 4<br> Height= 6 <br> Pi= 3.14
HACTEHA [7]

Answer:

301.44

Step-by-step explanation:

V = h x π x r^2

V = 6 x 3.14 x 4^2

V = 301.44

hope this helped!

7 0
3 years ago
Repeated addition: 1 3 + 1 3 + 1 3 = a b a = b =
IgorLugansk [536]

Answer:

39

Step-by-step explanation:

13 + 13 + 13 = 39

13 · 3 = 39

5 0
3 years ago
Read 2 more answers
In triangle PQR, Q=72 degrees, R=32 degrees and PR=12. find PQ
Volgvan

Answer:

6.69 to the nearest hundredth

Step-by-step explanation:

Use the law of sines

Let x = PQ

\frac{sin 72}{12}  = \frac{sin 32}{x}

x sin 72 = 12 sin 32

x = \frac{12 sin 32}{sin 72}

x = 6.69 to the nearest hundredth

6 0
3 years ago
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