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torisob [31]
3 years ago
5

Line AB contains points A (0, 0) and B (2, 2). Line CD contains points C (3, 1) and D (5, 3). Lines AB and CD are

Mathematics
2 answers:
suter [353]3 years ago
6 0
Since the slopes are equal they are parallel. I hope this helps.
aleksandrvk [35]3 years ago
3 0

Answer:

Slope of Both the lines AB and CD are same that is lines are parallel.

Step-by-step explanation:

We have been given Ab A(0,0) and B(2,2)

And C(3,1) and D(5,3)

We will find slope of the two lines given

By using :slope=\frac{y_2-y_1}{x_2-x_1}

\text{Slope of AB}=\frac{2-0}{2-0}

\text{Slope of AB}=1

Now, for CD:

\text{Slope of CD}=\frac{3-1}{5-3}

\Rightarrow \text{Slope of CD}=1

Slope of Both the lines AB and CD are same that is lines are parallel.

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A sample of 16 items from population 1 has a sample variance 5.8 and a sample of 21 items from population 2 has a sample varianc
Nady [450]

Answer:

Reject the null hypothesis.

Step-by-step explanation:

n1 = 16

n2 = 21

S.V1 = 5.8

S.V2 = 2.4

\alpha = 0.05

H_{0} = Population Variance 1 ≤  Population Variance 2

H_{a} = Population Variance 1 >  Population Variance 2

Test statistic value = 5.8 / 2.4 = 2.417

Degrees of freedom is n - 1

15 and 20

Critical value is F_{0.05} = 2.2

2.417 > 2.2

we reject the null hypothesis as the critical value is greater than the test statistic.

3 0
3 years ago
I need help with 28 and the answer is supposed to be a percent
pogonyaev

Answer:

12% decrease

Step-by-step explanation:

To find the percent decrease, take the original amount and subtract the new amount

650-572=78

Divide this amount by the original amount

78/650 =.12

Multiply by 100

.12*100 = 12

Add the percent symbol

12% decrease

6 0
3 years ago
Read 2 more answers
Ill in the blank with the correct number:
kakasveta [241]

Answer:

88.56 with tax included

8 0
2 years ago
What is the sum of 1 2/5 and 5 3/4​
Art [367]

Answer:

7\frac{3}{20}

Step-by-step explanation:

<em>Hey there!</em>

Well to add this we need to pu it in improper form.

7/5 + 23/4

Now we need to find the LCM.

5 - 5, 10, 15, 20, 25, 30

4 - 4, 8, 12, 16, 20, 24, 28

So the LCD is 20.

Now we need to change the 5 and 4 to 20.

5*4 = 20

7*4 = 28

<u>28/20</u>

4*5=20

23*5=115

<u>115/20</u>

Now we can add 28 and 115,

= 143/20

Simplified

7 3/20

<em>Hope this helps :)</em>

4 0
3 years ago
Read 2 more answers
|c- 24| = 7c<br><br> :D :D :D
Ivanshal [37]

c\geq0\\\\\\ |c- 24| = 7c\\\\c-24=7c \vee c-24=-7c\\\\6c=-24 \vee -8c=-24\\\\c=-4 \vee c=3\\\\-4\not \geq0\\\\\boxed{c=3}

3 0
3 years ago
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