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2 years ago

На клетчатой бумаге с размером клетки 2 x V2 изображена трапеция. Найди её площадь

Mathematics

1 answer:

yawa3891 [41]2 years ago

6 0

Answer:

what does this mean what!

Step-by-step explanation:

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Giải pt lượng giác sau<br> Cos x = -√3/2

Marat540 [252]

Answer:

Step-by-step explanation:

Solution for cosx=-3/2 equation:

cos((3*pi)/5)*cos((3*pi)/20) = 0

(60*x^3)/(60*x^5) = 0

cos((3*pi)/5)*cos((3*pi)/20) = 0

cos((3*x)/5)*cos((3*x)/20) = 0

1.5/100 = 0

6 0

3 years ago

Find a quadratic function in standard form for each set of points

otez555 [7]

For 1 the equation of the parabola is y = x^2 - 8x + 3
For 2 the equation of the parabola is y = -2x^2 - 3x + 1
For 3 the equation of the parabola is y = -x^2 + 5x - 4

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3 years ago

Brad can type 1260 words in 1/2 hour. What is Brad’s average typing rate in words per minute?

Ilia_Sergeevich [38]

Brad average typing rate in words per minute is 21

1260 divided by 60 = 21

(In case you meant 30 minutes)

1260 divided by 30 = 42

5 0

3 years ago

Suppose that l lines are drawn through a circle and these lines form p points of intersection (involving exactly two lines at ea

zhenek [66]

Over which interval(s) is the function decreasing?

8 0

3 years ago

A lottery has 60 numbers. To win the jackpot one needs to match all 7 numbers that are drawn by the machine. Is this a PERMUTATI

Vadim26 [7]

Answer: Hence, our required probability is $\dfrac{1}{386206920}$

Step-by-step explanation:

Since we have given that

Numbers in a lottery = 60

Numbers to win the jackpot = 7 numbers

We need to find the probability to hit the jackpot:

So, our required probability is given by

$P=\dfrac{^7C_7}{^{60}C_7}\\\\P=\dfrac{1}{386206920}$

This is a combination problem as we need to select 7 numbers irrespective of any arrangements.

Hence, our required probability is [tex]\dfrac{1}{386206920}[/tex

4 0

3 years ago