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3 years ago

Determine whether ABCD is a parallelogram The vertices are A(-2,3) , B(3,2), C(2,-1) and D(-3,0)

Mathematics

1 answer:

iogann1982 [59]3 years ago

3 0

Answer:

Yes, this is a parallelogram

Step-by-step explanation:

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The depths of three different submarines are listed below. Which of the following statements are true? Choose all that apply.

AnnZ [28]

The correct answer choices are B and C.

Here is the way these numbers would fall on a vertical number line justifying why these 2 answers are correct.

-1500 A
-1600
-1700
-1800
-1900 B
-2000
-2100
-2200
-2300 C

You can see where each of these submarines is located. 0 is sea level.

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3 years ago

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Mariulka [41]

Area of a circle is:
A = (3.14)r^2

The picture shown is that the radius is 4

So,

A = (3.14)4^2

A = 50.2

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3 years ago

Read 2 more answers

a study of the effects of exercis used rats bred to have high or low capacity for exercise. The 8 high capacity rats had mean bl

zavuch27 [327]

Answer:

$t=-2.86$

Step-by-step explanation:

From the question we are told that:

Sample 1 $n_1=8$

Sample 1 mean blood pressure $\=x_1=89mmHg$

Sample 1 variance $\sigma_1=81$

Sample 2 $n_2=8$

Sample 2 mean blood pressure $\=x_2=105mmHg$

Sample 2 variance $\sigma_2=169$

Generally the equation for the test of statistic is mathematically given by

$t=\frac{\=x_1-\=x_2}{\sqrt{\frac{\sigma_2}{n_1}+\frac{\sigma_2}{n_2} } }$

$t=\frac{89-105}{\sqrt{\frac{81}{8}+\frac{169}{8} } }$

$t=-2.86$

therefore the samples test for comparing the two population means

$t=-2.86$

3 0

3 years ago

Create a visual to show why 5/3 is equivalent to 1 and 2/3?

Morgarella [4.7K]

I think that 5/3 is not equivalent to this numbers because 2/3 cannot be written in another as 5/3. It can only be written as 6/9 or 4/6. Im not entirely sure but i hope this helped.

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3 years ago

Plz help........................

Ray Of Light [21]

I got the second one as my answer.....
8/a^5 x a

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3 years ago