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Temka [501]
3 years ago
8

Need an answer thanks

Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

CE = 105

Step-by-step explanation:

CE = CD + DE , hence

6x = 4x + 8 + 27 ( subtract 4x from both sides )

2x = 35 ( divide both sides by 2 )

x = 17.5

⇒ CE = 6 × 17.5 = 105



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What the correct answer do not want the wrong answer please
Crank

Answer:

388.5yd²

Step-by-step explanation:

We have Triangle TUV

In the question, we are given already

Angle U = 32°

Angle T = 38°

Angle V = ???

Side t = 31yd

Side u = ?

Side v = ?

Area of the triangle= ?

Step 1

We find the third angle = Angle V

Sum of angles in a triangle = 180°

Third angle = Angle V = 180° - (32 + 38)°

= 180° - 70°

Angle V = 110°

Step 2

Find the sides u and v

We find these sides using the sine rule

Sine rule or Rule of Sines =

a/ sin A = b/ Sin B

Hence for triangle TUV

t/ sin T = u/ sin U = v/ sin V

We have the following values

Angle T = 38°

Angle U = 32°

Angle V = 110°

We are given side t = 31y

Finding side u

u/ sin U= t/ sin T

u/sin 32 = 31/sin 38

Cross Multiply

sin 32 × 31 = u × sin 38

u = sin 32 × 31/sin 38

u = 26.68268yd

u = 26.68yd

Finding side x

v / sin V= t/ sin T

v/ sin 110 = 31/sin 38

Cross Multiply

sin 110 × 31 = v × sin 38

v = sin 110 × 31/sin 38

v = 47.31573yd

v = 47.32yd

To find the area of triangle TUV

We use heron formula

= √s(s - t) (s - u) (s - v)

Where S = t + u + v/ 2

s = (31 + 26.68 + 47.32)/2

s = 52.5

Area of the triangle = √52.5× (52.5 - 31) × (52.5 - 26.68 ) × (52.5 - 47.32)

Area of the triangle = √150967.6032

Area of the triangle = 388.5454973359yd²

Approximately to the nearest tenth =388.5yd²

5 0
3 years ago
kyle bought 28 feet of wire at the handware store. the wire cost was $2.79per foot, including sales tax. if kyle paid with a $10
Alex17521 [72]
He should receive around $21.88. This is excluding the fact he still needs to pay the sales tax. I would subtract a few more dollars.


Please vote my answer! Brainliest.
6 0
3 years ago
During a match , an average tennis player should be able to hit 2/5 of his or her first serves within the service lines. If Sam
vlada-n [284]

Answer:

60 serves

Step-by-step explanation:

According to the average, Sam should be able to hit 2/5 of his serves within the service lines.

If Sam hits 150 serves, find 2/5 of 150

2/5 * 150/1 = 300/5 = 60

Sam hit 60 serves within the service line during the match.

Hope this helps :)

4 0
3 years ago
Round 15.27 to the nearest tenth
aev [14]
15.27 = 15.3

First you look at the hundreths place. Since it is greater than 5 you round up. If it was less than 5 you round down. So 15.27 rounded to the nearest tenth is 15.3

Answer: 15.3

Example: 27.23 = 27.2
                32.58 = 32.6
8 0
3 years ago
Read 2 more answers
Kiera wanted to find the approximate number of historical books at the library she works at. She used the computer to randomly t
sveta [45]
The above is an estimation question. Estimation is when you judge the results obtained from a sample and make a rough calculation. The answer obtained might not be exactly right, its based on a judgement.

In this a sample was taken and out of 80 books, 6 of them were history books.
The assumption made then is that for every 80 books taken randomly , 6 of them will be history. Using this assumption ;
21 360 books in the library,
for every 80 books - 6 history books
then for 21 360 books - 6 / 80 * 21360
                                   =  1602 history books
0 0
3 years ago
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