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defon
3 years ago
7

Need help finding the length of Ac

Mathematics
1 answer:
BigorU [14]3 years ago
5 0

Answer:

We need to know angle C which is (180 -123 -34) = 23°

We'll use the Law of Sines

Sine (A) / side a = Sine (B) / side b

Sine (34) / 10 = Sine (123) / side b

0.55919 / 10 = 0.83867 / side b

10 * .83867 / .55919 = side b

side b (or line AC) = 14.998

Step-by-step explanation:

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The bedroom is 17 feet long by 18 feet wide, and the ceiling is 9 feet high.
Komok [63]

Answer: 615 ft²

<u>Step-by-step explanation:</u>

There are 4 walls - <em>assume that the floor and ceiling are not being painted.</em>

2 walls are 17 ft by 9 ft ⇒ 2(17)(9) = 306 ft²

The other 2 walls are 18 ft by 9 ft ⇒ 2(18)(9) = 324 ft²

1 window is 3.75 ft by 4 ft ⇒ 1(3.75)(4) = 15 ft²

2 walls + other 2 walls - 1 window ⇒ 306 + 324 - 15 = 615 ft²

8 0
4 years ago
Read 2 more answers
Help me please!!!!!!!!!!!!!!!
Dmitry_Shevchenko [17]

The first one is C

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4 0
3 years ago
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A new energy drink advertises 252 calories for 15 ounces how many calories are in a 35 ounces of a drink
Lady_Fox [76]

Answer:

588

Step-by-step explanation:

252 calories for 15 ounces

35/15 = 2 1/3

252 x 2 1/3 = 588

4 0
3 years ago
Which equation are true for x=-2 and x=2 check all that apply
ki77a [65]
1 it is true
{x}^{2} - 4 = 0 \\ {x}^{2} = + 4 \\ x = \sqrt{4} = 2
2 it's not true
{x}^{2} = - 4
3 it's not true
3 {x}^{2} + 12 = 0 \\ 3 {x}^{2} = - 12 \\ {x}^{2} = \frac{ - 12}{3} = - 4 \\
4 it's true
4 {x}^{2} = 16 \\ {x}^{2} = \frac{16}{4} = 4 \\ x = \sqrt{4} = 2
5- it's true
{2(x - 2)}^{2} = 0 \\ {(x - 2)}^{2} = 0 \\ x - 2 = 0 \\ x = 2
4 0
4 years ago
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Please help!<br> I need to answer this in 10 mins please!!
valentina_108 [34]

Answer:

D

Step-by-step explanation:

10* 8 = 80

15-10=5

8-6=2

5*2= 10

10/2= 5

80+5=85

4 0
3 years ago
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