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4 years ago

Which trigonometric ratios are correct for triangle DEF? Check all that apply.

Mathematics

1 answer:

Pachacha [2.7K]4 years ago

3 0

Can you please add a picture

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What is the diameter of the circle whose center is at (6, 0) and that passes through the point (2, -3)?

pickupchik [31]

Answer:

Step-by-step explanation:

$\left(x-h\right)^{2}+\left(y-k\right)^{2}=r^2$

$\left(x-6\right)^{2}+\left(y-0\right)^{2}=r^2\\$

We used (2,-3)

$\left(2-6\right)^{2}+\left(-3-0\right)^{2}=25$

$r^2=25\\$ , so $r = 5$

But this one is asking for the diameter, and to find it. It's simply 2r.

2*5 = 10

4 0

3 years ago

Mr. Pratt has 26 students in his math class. He has

Andrews [41]

Answer:

add 26+25+24

make:

prize 1

26 student have

the probability to get

prize 1.

prize 2

25 student have the prabability to get prize 2. why 25? because some one already one a prize so they dont count.

do the same for the last one, prize 3

8 0

3 years ago

A truck can be rented from Company A for $100 a day plus $0.50 per mile. Company B charges $40 a day plus $0.80 per mile to

Rus_ich [418]

Answer:

18 miles

Step-by-step explanation:

Let

The number of miles = x .

According to Question ,

100 + 0.5(x) = 40 + 0.8(x)
100 + 0.5x = 40+ 0.8x
100 - 40 = 0.8x - 0.5x
60 = 0.3x
x = 60/3 * 10
x = 18

7 0

3 years ago

What is the distance?(-4,2) (-2,-2)

slava [35]

It is 2x and 4y, so you need to use pythagorean theorem. 2 squared is 4, and 4 squared is 16. Add them, and you get 20. The problem is that that won't square to a whole number, so the closest I can get it is the square root of 20, or 2 root 4.

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3 years ago

Abril and her dad bought ice cream after the trip. They found two different

anyanavicka [17]

Chocolate Chip: $20
Cherry Vanilla:$18.29

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3 years ago