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larisa [96]
3 years ago
5

Which is a correct two-column proof? Given: ∠h and ∠c are supplementary. Prove: j || l

Mathematics
1 answer:
pentagon [3]3 years ago
7 0

Answer:

Third option is the correct answer.

Step-by-step explanation:

Third option is the correct answer.

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Suppose you want to estimate the proportion of polydactyl cats (cats with extra toes). You sample 419 randomly selected cats, an
german

Answer:

No. When all you want to do is estimate a population parameter, you should construct a confidence interval.

Step-by-step explanation:

In this case, there is no other prior estimation about the population to test (a hypothesis to nullify). The only thing you can do is construct a confidence interval of the proportion, where the standard deviation can be calculated in function of the proportion and the sample size.

The right answer is E: "No. When all you want to do is estimate a population parameter, you should construct a confidence interval."

6 0
3 years ago
Solve the system by elimination<br><br> 3x-2y=3<br> 15x-4y=-3
stiv31 [10]

Answer:

x=-1

y=-3

Step-by-step explanation:

3x-2y=3(1)

5.(1) <=> 15x-10y=15 (2)

15x-4y=-3 (3)

(2)-(3) <=> -6y=18

4 0
2 years ago
What is the answer A,B,C,D
Natali5045456 [20]

B and D because there are the reverse of 67 + 38 = 105.

Hope that helps :)

8 0
3 years ago
Read 2 more answers
A farmer wants to transport 100 cows to another farm. Each truck can carry 7cows. He has 10 trucks . How many more trucks does h
kicyunya [14]

Answer:

3 more trucks

Step-by-step explanation:

7 cows a truck and 10 trucks equals 70 cows carried. 30 more cows/10 per truck equals 3 more trucks.

7 0
3 years ago
Read 2 more answers
In the diagram, what is the value of x?
Ghella [55]

Answer:

x = 162

Step-by-step explanation:

the sum of the interior angles of a quadrilateral = 360°

sum the interior angles of the quadrilateral and equate to 360

90 + 60 + x + 48 = 360 , that is

198 + x = 360 ( subtract 198 from both sides )

x = 162

5 0
2 years ago
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