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Maurinko [17]
3 years ago
11

Please help I don’t understand these things

Mathematics
2 answers:
devlian [24]3 years ago
5 0
This means the sum of the measure of these two angles will be 55+x=90
so x=90-55=35
Ratling [72]3 years ago
4 0
x=35

Complementary angles means that the sum of both angles will be 90.
To find the angle of x, we create this simple equation -

55+x=90
90-55=35

x=35
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if the net from the two triangles are the right triangles all quadrilaterals what is its surface area in square units?
erica [24]

Step-by-step explanation:

The total surface area is 168 square units.

8 0
3 years ago
I really need help with this Triangle problem. ​
julia-pushkina [17]

Answer:

x = 10

y = 20

Step-by-step explanation:

\tan \: 30 \degree =  \frac{x}{10 \sqrt{3} }  \\  \\  \frac{1}{ \sqrt{3} } =  \frac{x}{10 \sqrt{3} }  \\  \\ \sqrt{3} x = 10 \sqrt{3}  \\  \\ x =  \frac{10 \sqrt{3} }{ \sqrt{3} }  \\  \\ x = 10 \\  \\  \cos 30 \degree =  \frac{10 \sqrt{3} }{y}  \\  \\  \frac{ \sqrt{3} }{2}  =  \frac{10 \sqrt{3} }{y}  \\  \\ y =  10 \sqrt{3}  \times  \frac{2}{ \sqrt{3} }  \\  \\ y = 10 \times 2 \\  \\ y = 20

4 0
3 years ago
Look at the sequence : 5, -10, 20, -40, 80
Sphinxa [80]

Answer:

5 (5x1) , -10 -(5x2), 20(10x2), -40 -(20x2), 80(40x2)

so the next number should be previous number in the sequence multiplied by 2 and a negative sign.

-`(80x2) = -160


7 0
3 years ago
Read 2 more answers
Please help me out with this question
I am Lyosha [343]

Answer:

no. 4

Step-by-step explanation:

6 0
4 years ago
Judd worked 40 hours this week. He worked 7/10 of the hours outside and the rest inside. How many hours did he work outside?
Mnenie [13.5K]
If you would like to know how many hours did Judd work outside, you can calculate this using the following steps:

40 hours
outside: 7/10 of the hours = 7/10 * 40 hours = 7/10 * 40 = 28 hours

Judd worked 28 hours outside.
3 0
3 years ago
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