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aev [14]
3 years ago
9

What is the value of x in the figure below?

Mathematics
2 answers:
lukranit [14]3 years ago
8 0

Answer:

the correct answer would be B.

hope this helps!

Step-by-step explanation:


Anettt [7]3 years ago
3 0
The answer would be c :)
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30tens-3tens3tenths
Pachacha [2.7K]
300 - 30 3/10 = 269 7/10


hope this helps
7 0
3 years ago
As a result of the installation of a muffler, the noise level of an engine was reduced from 89 to 72 decibels. Find the percent
Jobisdone [24]

Answer:

Step-by-step explanation:

Using the formula

Initial -final/initial =%/100

89-72/89 =%/100

17/89 =%/100

Making %subject of the formula

% =17*100/89

So % =1700/89

%= 19.101

Therefore rounding off the answer we have

X=19%

4 0
3 years ago
Let m Z1=(3x)º, m 22=(5x-7)", m 23=(4x+15), and m ZAFD=128º. Find m44 and m ZBFD.​
olga55 [171]

Answer:

m<4 = 52°

m<BFD = 98°

Step-by-step explanation:

m<1 = (3x)°

m<2 = (5x - 7)°

m<3 = (4x + 15)°

m<AFD = 128°

✔️Find m<4:

m<4 = 180° - m<AFD (angles on a straight line)

Substitute

m<4 = 180° - 128°

m<4 = 52°

✔️m<BFD = m<2 + m<3

Substitute

m<BFD = (5x - 7)° + (4x + 15)°

We need to find the value of x.

Create an equation to find x.

m<1 + m<2 + m<3 = m<AFD (angle addition postulate)

Substitute

3x + 5x - 7 + 4x + 15 = 128°

Add like terms and solve for x

12x + 8 = 128

12x + 8 - 8 = 128 - 8

12x = 120

12x/12 = 120/12

x = 10

m<BFD = (5x - 7)° + (4x + 15)°

Plug in the value of x

m<BFD = 5(10) - 7 + 4(10) + 15

m<BFD = 50 - 7 + 40 + 15

m<BFD = 98°

4 0
3 years ago
A rectangular garden has a length of 5a + 17 feet and a width of 4a feet. Which expression represents the area of the garden in
harina [27]

Answer:

(5a + 17) x 4a

Step-by-step explanation:

4 0
3 years ago
Solve for x in each polygon?
In-s [12.5K]
Look the lesson up online. Sometimes there is an answer key
8 0
3 years ago
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