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taurus [48]
3 years ago
14

Find the value of x. Round to

Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0

Answer:

X= 10

Step-by-step explanation:

let the vertex of angle 17° named A

then the other two B and C

then by using trigonometry:

sin(A) = opposite side divided by hypotenuse

opposite side is. X

Wich makes Sin(A) = X/47

then by crossing X= sin(A) × 47 = 13.74147

rounding to the nearest tenth: X= 10

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In ∆PQR, ∠P = 90degrees , PQ= 12 cm, PR=16cm. Find ∠Q
siniylev [52]

Answer:

∠Q  = 53.13 degrees

Step-by-step explanation:

Given that ∆PQR, ∠P = 90degrees , this means that the triangle is a right angled triangle

Hence using the notation

SOH CAH TOA

where S is sine, C is cosine, T is tangent and O, A and H represents the size of the opposite, adjacent and hypotenuse sides

Considering  ∠Q and the given sides

PR=16cm is the opposite side,

PQ= 12 cm is the adjacent side hence we use TOA

Tan Q = 16/12 =

Q = Arc tan 16/12

= 53.13 degrees

5 0
3 years ago
!!20 POINTS!!<br> What are the names of three collinear points?
maks197457 [2]

Answer: L, J, K

Step-by-step explanation:

L, J, and K are collinear because they all lie on the same line.

8 0
3 years ago
A drawing of a rectangular room has dimensions of 12 inches by 6 inches. If the scale is 2 inches : 4 feet, find the area of the
grin007 [14]

Answer: 288 feet

Step-by-step explanation:

Length of drawing = 12 inches

Actual length = 12 × (4/2)feet = 24 feet

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The area of the actual room will be gotten by multiplying the dimensions. This will be:

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6 0
3 years ago
For his phone service, Tom pays a monthly fee of $28, and he pays an additional $0.04 per minute of use. The least he has been c
Len [333]

Answer:

1421 minutes

Step-by-step explanation:

(84.48-28)/.04=M

84.48-28=56.48

56.48/.04=1421

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3 years ago
If it’s 3:00 how long will it take before the hands are at a right angle again
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Answer:

4 hours

Step-by-step explanation:

3+1=4

3 0
3 years ago
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