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Zinaida [17]
3 years ago
12

Find the measures of the labeled angles

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
8 0

Answer:

4x° = (80 - x)°

Step-by-step explanation:

These angles are known as vertical angles. Vertical angles are equal to one another.

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timofeeve [1]
Multiple the two Collins
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3 years ago
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SpyIntel [72]

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easy

Step-by-step explanation:

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3 0
3 years ago
Monique says that the sine of angle A is 5/13. Her teacher marks her wrong, but sometimes Monique’s teacher makes mistakes when
spin [16.1K]

Answer:

yes because

Step-by-step explanation:

this point, we pause to see if it makes sense that we actually have two viable cases to consider. As we have discussed, both candidates for are ‘compatible’ with the given angle-side pair ( ;a) = (30 ;3) in that both choices for can t in a triangle with and both have a sine of 2 3. The only other given piece of information is that c= 4 units.

4 0
3 years ago
24 is what percent of 32
Airida [17]

Answer:

24 is 75% of 32

Step-by-step explanation:

To get the percent in decimal form we divide 24 by 32

24 ÷ 32 = 0.75

To get the decimal into a percent we multiply it by 100

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7 0
3 years ago
Read 2 more answers
Estimate the error if t6 (trapeziod rule with n=6) was used to calculate ∫30cos(2x)dx.
Hunter-Best [27]
The error bound for a trapezoid rule is given with this formula:
|E_t|\leq\frac{K(b-a)^3}{12n^2}
Where n is the number of points we used in the approximation, a and b are starting and ending point of an integral, and K is the number such that:
|f''(x)|\leq K
In order to find K we must find the second derivative of our function:
f(x)=30\cos(2x)\\ f'(x)=-60\sin(2x)\\ f''(x)=-120\cos(2x)
From this, we can see that our K is 120. This is the amplitude of this periodic function.
Now we can calculate the error bound:
E_t|\leq\frac{120(b-a)^3}{12\cdot6^2}=\frac{120}{432}(a-b)^3
Since you did not specify the interval of integration I cannot compute the final error bound. You can simply plug in the numbers to get the answer.
7 0
3 years ago
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