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Taya2010 [7]
3 years ago
9

Two angles are complementary. The measure of one angle is 6º more than five times the measure of the other angle. Find the

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0
14 degrees and 76 degrees
Salsk061 [2.6K]3 years ago
6 0

Complementary means that the two angles sum to 90 degrees.

So based on the problem, let:

1st angle=5x+6

2nd angle=x

Now create an equation.

x+5x+6=90

6x=84

x=14

5x+6=76

answer: 14 degrees and 76 degrees

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FinnZ [79.3K]
1. 2/8
2. 3/4
3. 1/3
4. 4/5
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3 years ago
Can anyone help me with 3 and 4
Gnoma [55]
No as they do not simplify into the same fraction
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3 years ago
A dome of a building is in the form of a hemisphere from inside it was whitewashed at the cost of rupees 4989.60 if the cost of
Luda [366]

Answer: 249.48\ m^2; 369.168\ m^3

Step-by-step explanation:

Given

Cost of white-washing =Rs. 4989.60

Rate =20 per meter square

So, inside area of = \dfrac{4989.60}{20}=249.48\ m^2

The surface area of dome= 4\pi\ r^2=249.48

4\times 3.142\times r^2=249.48\\r^2=\frac{249.48}{4\times 3.142}=19.85\\r=4.455\ m

The volume of air in the dome V=\frac{4}{3}\pi r^3

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6 0
3 years ago
Can someone help me answer this?
Masja [62]

Your answer is angle JCL.

Angle JCL+Angle LCT = 90°

3 0
3 years ago
Read 2 more answers
Solve the system by elimination <br> 2x+6y= -12 <br> 5x-5y= -10
kvv77 [185]
First thing you should do is reduce coefficients.

1st equation has all multiples of '2'. Divide by 2
---> x +3y = -6

2nd equation has multiples of 5. Divide by 5.
---> x - y = 2

Now elimination part is easier. 
Eliminate 'x' variable by subtracting 2nd equation from 1st.

   x + 3y = -6
-(x  - y = 2)
----------------------
       4y  = -8

Solve for 'y'
4y = -8

y = (-8)/4 = -2


Substitute value for 'y' back into 2nd equation:
x - (-2) = 2
x + 2 = 2
x = 0

Solution to system is:
x=0, y =-2

5 0
3 years ago
Read 2 more answers
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