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Lelu [443]
3 years ago
10

Photography ahmed needs to take a close-up shot of an prange for his art class. he frames a shot of an orange as shown below, so

that the lines of sight form tangents to the orange. if the measure of the camera viewing angle is 34 degrees, what is the measure of major arc acb
Mathematics
1 answer:
nadezda [96]3 years ago
3 0
Answer: The measure of the major arc is 68 degrees plus the measure of the small arc.

In the problem given, we don't know all the needed measurements (is there a diagram?). Therefore, we can find an expression for the answer, not the value itself.  

The angles are related with the following expression.

Outside Angle = 0.5(Major Arc - Minor Arc)

Solving for the major arc gives us.

34 = 0.5(y - x)
68 = y - x
68 + x = y
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Step-by-step explanation:

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3 years ago
In Lucille’s class, 35% of the students have blond hair. There are 20 students in the class. How many students have blond hair.
MrRissso [65]

Answer:

7 the answer is 7

Step-by-step explanation:

1. We assume, that the number 20 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 20 is 100%, so we can write it down as 20=100%.

4. We know, that x is 35% of the output value, so we can write it down as x=35%.

5. Now we have two simple equations:

1) 20=100%

2) x=35%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

20/x=100%/35%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 35% of 20

20/x=100/35

(20/x)*x=(100/35)*x       -

20=2.85714285714*x       -

20/2.85714285714=x

7=x

x=7

now we have:

35% of 20=7

we multiply both sides by x

then we divide both sides by 2.85714285714 to get x

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Step-by-step explanation:

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Step-by-step explanation:

we know that

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y minus StartFraction one-third EndFraction equals StartFraction 3 Over 4 EndFraction left-parenthesis x minus 4 right-parenthesis.(x – 4)

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