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mariarad [96]
2 years ago
15

Find the area of this parallelogram

Mathematics
1 answer:
uysha [10]2 years ago
6 0

Answer:

260

Step-by-step explanation:

A=bh

A=13 x 20

A=260

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A recent study claimed that half of all college students "drink to get drunk" at least once in a while. Believing that the true
lara [203]

Answer: Hypothesis testing

Step-by-step explanation:

In statistics , Hypothesis testing is a general procedure to check the results of a experiment or a survey to confirm that they have actual and valid  results.

Given claim : A recent study claimed that half of all college students "drink to get drunk" at least once in a while. By believing that the true proportion is much lower, the College Alcohol Study interviews an SRS of 14,941 college students about their drinking habits and finds that 7,352 of them occasionally "drink to get drunk".

Here the College Alcohol Study is just testing the results of the survey .

Hence, this is is s a type of Hypothesis testing.

4 0
3 years ago
A curve in polar coordinates is given by: r=9+3cosθ. Point P is at θ=21π/18 .?
ikadub [295]

Answer:

Step-by-step explanation:

Given that a curve in polar coordinates is given by:

r=9+3cosθ

a) At point P, we have

θ=\frac{21\pi}{18}

Substitute to get

r=9+cos \frac{21\pi}{18}\\=9.3932

b) Cartesian coordinate is

x= rcos \theta=3.6934\\y =r sin \tjeta =8.6365

c) At the origin r =0

when r =0

we have

9+3cos\theta=0\\cos\theta =-3

Since cos cannot take values as -3 it doe snot pass through origin.

6 0
2 years ago
What the answer tonthis question 10x=-4(2x-9)​
mylen [45]

10x = 4(2x -9)

10x = 8x - 36

10x - 8x = -36 - 8x

2x = -36

2x ÷ 2 = -36 ÷ 2

x = -18

If you need a better explanation just as in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

7 0
3 years ago
Convert 65:36 in to a smaller number
VMariaS [17]
65:36 cannot be simplified. It would turn into a decimal number and we don’t put decimals in ratios
8 0
3 years ago
The point r is halfway between the intergers on the number line below and represent the number
11111nata11111 [884]

Answer:

123 456 789 10 11 12 1 3 1 4 1 5 1 5

Step-by-step explanation:

7 0
2 years ago
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