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ahrayia [7]
3 years ago
12

What is the answer to the question

Mathematics
2 answers:
Sergio [31]3 years ago
4 0
Hello!

As you can see, the angle is a straight angle, which measures 180°. One angle measures 80°.

180 - 80 = 100

 That means the rest added all together measure 100°.

3x + 2x = 5x

5x = 100

Divide both sides by 5

\frac{5x}{5} =  \frac{100}{5}

\framebox{x = 20 \°}
Lilit [14]3 years ago
3 0
3x+2x+80=180\\
5x=100\\
x=20
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2+2-8-*456*7524+7+46426+*545/65/6213-543+3112+91456+210256488765454<br><br> Answer within 10 min
zvonat [6]

Answer:

My calculator said error and i tried looking it up it said error too. I'm sorry I tried, you'll have to do it by hand

Step-by-step explanation:

5 0
3 years ago
Using the digits 0 to 9 ​
Gre4nikov [31]

Supplementary Angles:

\boxed{100°} and \boxed{80°}

Arithmetically speaking, the closest 2 supplementary angles can get (in 3 and 2 digits respectively) is the upwritten.

Complementary Angles:

\boxed{45°} and \boxed{45°}

Simply, in this case, for angles to be numerically as close as possible - make both the angles 45°.

8 0
2 years ago
Q14
posledela

Answer:

42.6cm

Step-by-step explanation:

The sum total of all the sides of the shape is the perimeter of the shape. Hence;

Perimeter = x+3 + 4 + x+9 + 2x+5

Perimeter = 4x + 21

Given

Area of the figure = 75cm^2

Area = (x+3)(2x+5) + (2x+1)(6)

75 = 2x²+5x+6x+15+12x+6

75 =  2x²+23x+21

2x²+23x+21-75 = 0

2x²+23x-54 = 0

x = -23±√23²-4(2)(-75)/4

x = -23±√529+600/4

x = -12±√1129/4

x = -12+33.6/4

x = 21.6/4

x = 5.4

Recall that;

Perimeter = 4x+21

Perimeter = 4(5.4) + 21

Perimeter = 21.6+21

Perimeter = 42.6cm

Hence the perimeter is 42.6cm

8 0
3 years ago
50 PTS MANY POINTS
kari74 [83]

Answer:

B. 1,900

Step-by-step explanation:

3 0
3 years ago
What is bigger 4 out of 5 or 0.325
Dahasolnce [82]
4/5 is bigger: 4/5 = 0.8
3 0
3 years ago
Read 2 more answers
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