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andrezito [222]
3 years ago
15

Find the distance between the points (2,3) (-3,-6)

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

Answer:

10.3

Step-by-step explanation:

As we move from (-3,-6) to (2,3), x increases by 5 (this is the horizontal distance between (2,3) and (-3,-6) ) and y decreases by 9 (vertical distance).

We apply the Pythagorean Theorem here:

d^2 = x^2 + y^2, or

d^2 = (5)^2 + (-9)^2 = 25 + 81 = 106

Thus, the distance between (2,3) and (-3,-6) is d = sqrt(106), or approx.

10.3.

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How many times larger than<br> (15 + 10) is 8 x (15 + 10)?
zvonat [6]

Answer:

8 times larger

Step-by-step explanation:

(15+10) is the singular equation alone. Muiltiply it by 8, and it's 8 times larger then the initial singular expression. Therefore, the answer is 8 times larger.

3 0
3 years ago
Can someone help and explain it to me pls?
Elza [17]

Answer:

Option C, 0 ≤ x ≤ 12

Step-by-step explanation:

the domain of a function is the set of inputs accepted by the function so all possible x values.

Since x-axis is time, time can never be negative

so the lowest x value is 0

the heights x values is the x intercept which is 12

hence option C

Ley me know if you have any questions!!!

5 0
2 years ago
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Eight more than three times a number is equal to the number.<br> What is the number
hodyreva [135]

Answer:

-4

Step-by-step explanation:

-4(3) = -12

-12 + 8 = -4

3 0
3 years ago
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Passes through (2,3) and has slope of -1
anzhelika [568]
Y=2x-1 i think that would be your answer.
4 0
4 years ago
The student government at the local middle school surveyed students to help plan the end-of-year party. For the first sample, th
aleksandr82 [10.1K]

Answer:

Explained below.

Step-by-step explanation:

Convenience sampling is a kind of non-probability-sampling (i.e. all items doesn’t have an equivalent chance of being selected), which doesn’t comprises of random collection of items. Convenience sampling is where we take in items which are easy to reach.  This sort of sampling technique results in a biased sample.

Systematic sampling is a kind of probability sampling method in which individuals from a larger population are nominated according to a random initial point and a static, periodic interval. If the individual <em>k</em> is selected as the first sample then the sample space consists of every <em>k</em>th individual.

In this case the first sample is an example of convenience sample and the second is a systematic sample.

6 0
3 years ago
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