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weqwewe [10]
3 years ago
13

Help on math? :)

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0
1. Let O be the center of the sphere, A the tangency point and B the location of the satellite. (as in the figure below)

2. Join B to O. M(ABO)=\frac{1}{2}m(B)=(1/2)*138°=69°.


3. m(OAB)=90° as a radius to a tangency point is perpendicular to the tangent at that point. 

4. m(AOB)=180°-90°-69°=21°.

5. check picture 2. Arc AM is equal to the measure of the central angle AOM = 21°.

6. The measure of the intercepted arc is 21°*2=42°

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Write an augmented matrix for the following system of equations
chubhunter [2.5K]
Just use the coefficients for each variable and put it in a matrix. Is the second question set equal to something? Because then you would put it in place as the question mark. (Did the pic come through?)
So the 3x3 matrix is made up of the coefficients and then to augment the matrix, you add another column at the end with the solutions. Good luck!

6 0
3 years ago
Solve the equation. 5x+8-3x=-10
Crank

Answer:

This: Im sorry but, I can't type it all, I just looked up some help.

Step-by-step explanation:

You can rewrite the equation as

5

x

−

3

x

+

8

=

−

10

Then

5

x

−

3

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=

2

x

So

2

x

+

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=

−

10

Then, to move the whole numbers to one side, you subtract

8

from both sides

2

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=

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18

To get rid of the

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, divide both sides by

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6 0
3 years ago
Read 2 more answers
Someone needs to hear this. So here it is. God will pull you through. You just need to have faith. You just have to keep going.
vagabundo [1.1K]

Answer: thank you

Step-by-step explanation:

3 0
2 years ago
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Bill and Pete shared 1/2 of a cake. Bill got to eat twice as much cake as Pete. What fraction of the whole cake did Bill eat?
KatRina [158]

Answer:

Step-by-step explanation:

Total cake shared=1/2

Pete share=x

Bill= twice as much as Pete

=2x

Pete's share+ Bill's share=total share

x+2x=1/2

3x=1/2

x=1/2÷3

x=1/2×1/3

=1/6

Pete's share=x=1/6

Bill's share=2x

=2(1/6)

=2/6

=1/3

3 0
3 years ago
Rachel earned \$34$34 in 44 hours at her job today. She wants to know how much she could earn (e)(e) tomorrow if she works 1010
kari74 [83]

Answer:

<em>Rachel will earn $85 in 10 hours.</em>

Step-by-step explanation:

Rachel earned $34 in 4 hours at her job today.

Suppose, she will earn x dollar in 10 hours tomorrow.

So, <u>according to ratio of 'dollar' and 'hours'</u>, the equation will be.....

\frac{34}{4}=\frac{x}{10}

After cross multiplying, we will get.....

4x= 34*10\\ \\ 4x= 340\\ \\ x=\frac{340}{4}=85

Thus, Rachel will earn $85 in 10 hours.

6 0
3 years ago
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