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Taya2010 [7]
2 years ago
11

Are these points collinear?

Mathematics
1 answer:
dolphi86 [110]2 years ago
4 0
What points, because you didn’t post a picture so there is no way to tell.
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Item 5
Sedbober [7]

Answer: 300.3858/ maybe 300.385

Step-by-step explanation: 4 2/7 as decimal= 4.29 x (-18) = -77.22 x -3.89=  300.3858 (3.89 = decimal form of -3 8/9)  300.3858 x 1 = 300.3858

3 0
3 years ago
What part of a relation is the set of all first components from each ordered pair?
Orlov [11]
The mathematical term for a set<span> of </span>ordered pairs<span> is a </span>relation<span>. A </span>relation<span> is any </span>set <span>of </span>ordered pairs<span>. The </span>set of all<span> first </span>components<span> of the </span>ordered pairs<span> is called the domain of the </span>relation<span>, and the </span>set of all second components<span> is called the range of the </span>relation<span>.

I hope my answer helped you.</span>
5 0
4 years ago
Read 2 more answers
Express -23 in the form bi where b is a real number TIME SENSITIVE
balu736 [363]

Answer:

A

Step-by-step explanation:

i stands for square root of negative 1. If you multiple i and square root of 23 you will end up with the original

4 0
3 years ago
The ratio of the length of an airplane wing to its width is 9 to 1. If the length of a wing is 34.7 meters, how wide must it be?
KIM [24]
The answer is  3.85555556 because the ratio is 9:1 the length 34.7  so that means the length will be 9 times the width so you divide.

6 0
3 years ago
The life in hours of a thermocouple used in a furnace is known to be approximately normally distributed, with standard deviation
Effectus [21]

Answer:

62 is the minimum sample size needed

Step-by-step explanation:

We know that the population is approximately normally distributed so we will use a z-score for 95% confidence, which is 1.96.  We are given the population standard deviation of σ = 20, and are given that the error should be 5 or less hours.  The fact that it gives us sample data is irrelevant since we are told the population is approximately normally distributed and are given the population standard deviation.

See the attached photo for the calculation of the minimum sample size

8 0
3 years ago
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