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Sonja [21]
3 years ago
11

The distance between points (1, 2) and (x 1 ,y 1 ) is the square root of (x 1 -1)^ 2 +(y 1 -2)^ 2

Mathematics
1 answer:
Nana76 [90]3 years ago
6 0

Answer:

True

Step-by-step explanation:

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Simplify 2x2 - y for x = 3 and y = -2.<br><br> 10<br> 16<br> 20<br> 14
RoseWind [281]

Answer:

20

Step-by-step explanation:

Given

2x² - y ← substitute x = 3 and y = - 2 into the expression

= 2(3)² - (- 2)

= 2(9) + 2

= 18 + 2

= 20

6 0
3 years ago
Read 2 more answers
Appreciate answers and any help!
Savatey [412]

To find the expected value of the distribution, we multiply each outcome by it's probability. Doing this, we get that the expected value of defects on a skateboard is of \frac{4}{25}.

Outcomes and probabilities:

0 defects, 9/10 probability

1 defect, 1/20 probability

2 defects, 1/25 probability

3 defects, 1/100 probability.

Expected value:

E(X) = 0\frac{9}{10} + \frac{1}{20} + 2\frac{1}{25} + 3\frac{1}{100} = \frac{1}{20} + \frac{2}{25} + \frac{3}{100} = \frac{5 + 8 + 3}{100} = \frac{16}{100}

Dividing both numerator and denominator by 4:

\frac{4}{25}

Thus, the expected value of defects on a skateboard is of \frac{4}{25}.

A similar problem is given at: brainly.com/question/23156292.

4 0
3 years ago
4 1/5 of 8 2/10 is what number? (A) 1/2 (B) 21/41 (C) 861/25 (D) 21/82
In-s [12.5K]

Answer: i think it would be POSSIBLY C. or D.

Correction it is C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How can I get the answer
marshall27 [118]

Answer:

A.

Step-by-step explanation:

To find the inverse of a function, first make f(x) a y

So,

y = \frac{12}{x} -18

Then switch the x and the y

x = \frac{12}{y} - 18

Solve, for y

7 0
3 years ago
Ap Calc bc. Need help keep getting this question wrong
kupik [55]

SOLUTION:

Step 1:

In this question, we are given the following:

Step 2:

The details of the solution are as follows:

Step 3:

Now, from the solution above, we can see that the value of the integrand CONVERGES to a number that is approximately 0.41634

4 0
1 year ago
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