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german
3 years ago
7

What is the length of AB?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

hear is your answer in attachment

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Solve the equation. Check the solution. -2/x+4 =4/x+3
jasenka [17]

Answer:B

Step-by-step explanation:

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3 years ago
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Help answer this question asap!!!!!!!!1
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169.50

Step-by-step explanation:

7 0
3 years ago
I need help right now please.
stealth61 [152]

Answer:

b. 5/√21

Step-by-step explanation:

The sine is positive in quadrant II, so the cosecant will be also. The sine function never has a magnitude greater than 1, so the cosecant function (the reciprocal of the sine) never has a magnitude less than 1.

The only positive number with a magnitude greater than 1 among your answer choices is 5/√21, selection B.

_____

If you draw the triangle with hypotenuse 5 and side 2 along the x-axis, you find the Pythagorean theorem tells you the opposite side (parallel to the y-axis) has length ...

... O = √(5² -2²) = √21

Then the sine ratio is ...

... Sin = Opposite/Hypotenuse = (√21)/5

The cosecant function is the reciprocal of the sine function, so its value is ...

... csc(θ) = 1/sin(θ) = 1/((√21)/5)

... csc(θ) = 5/√21

4 0
4 years ago
Round 862 liters<br> to the nearest 10<br> liters.
Maksim231197 [3]
The answer is 860 liters. You round down to 860 because it’s closer than 870.
5 0
2 years ago
Which of the following could be the sides of a right triangle? Check all that apply.
VLD [36.1K]
A. & D. are the correct answers

To answer this, you square the first 2 numbers in the sequence, and then add them together. You then square the 3rd number and put it equal to the first numbers that you added together. If the two sides equal each other, it is correct!

Ex.:

10, 24, 26

10^2 + 24^2 = 26^2
100 + 576 = 676
676 = 676

18, 24, 30

18^2 + 24^2 = 30^2
324 + 576 = 900
900 = 900
3 0
3 years ago
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