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Varvara68 [4.7K]
3 years ago
12

22. ZA and ZB are supplementary. If mZA = (8x +100) and m2B = (2x + 50), find mzA and m_B.

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
4 0

Answer:

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10. In ABC, if A and B are acute angles, and sin A= 10/13<br> what is the value of cos A ?
Margarita [4]

Answer:

In triangle AB, A and B are acute angles so. AC and BC are right angles.

Sin A = 10/13

13 is the hypotenuse side and 10 is the opposite side.

To find cos A.

From pythagorean theorem:

Step-by-step explanation:

5 0
4 years ago
Grouping 12x3 – 9x2 + 4x - 3?
ololo11 [35]

12x^{3}  -  {9x}^{2}  + 4x - 3 =  \\  = 3 {x}^{2} (4x - 3) + 1(4x - 3) =  \\  = (4x - 3)( {3x}^{2}  + 1)

3 0
3 years ago
Read 2 more answers
Can somebody help me please.​
Fofino [41]

Answer:

x intercept = (0.3, 0)

y intercept = (0, 0.4)

3 0
3 years ago
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A vehicle travels a distance of 5t4 − 10t2 + 6 miles in t + 2 minutes. what is the vehicle speed
ANTONII [103]
50kph i hope i was very helpful onn this problem


5 0
3 years ago
Read 2 more answers
7 1/4 + 5 3/5= reduced to it's lowest form
Scrat [10]
7 1/4 + 5 3/5
First, you need a common denominator to add the two. 20 will work.
4x5=20, so we have to also multiply 1 by 5.
4x5=20, 1x5=5
5x4=20, so we have to also multiply 3 by 4.
5x4=20, 3x4=12
And now we put the fractions back in.
7 5/20 + 5 12/20
And add them.
7 5/20 + 5 12/20 = 12 17/20
Now, we're supposed to reduce it to its lowest form.
Unfortunately, the fraction cannot be reduced, because 17 is a prime number, meaning there are no factors to it except one and itself.
Therefore, the lowest form of 12 17/20 is 12 17/20
Your answer is B, 12 17/20
4 0
4 years ago
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