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2 years ago

Find the equation of the line that passes through a point A(1,-5) B(-2,-7)

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

4 0

Answer:what’s the answer?

Step-by-step explanation:

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Telephone calls arrive at the Global Airline reservation office in Louisville according to a Poisson distribution with a mean of

Lubov Fominskaja [6]

Answer:

The answer is "0.6227 and 0.5971".

Step-by-step explanation:

$\to p(x\leq 2)=p(0)+p(1)+p(2)$

$=e^{-2.2}(1+2.2^{1}+\frac{2.2^2}{2!})\\\\=0.6227$

$\to x \sim emp(\frac{1}{2.2})\\\\\to f(x)=\frac{1}{2.2} emp1-\frac{x}{2.2}$

$\to p(x \leq 2)=\int^{2}_{0} \frac{1}{2.2} emp1(-\frac{x}{2.2}\ dx$

$=1-emp1-2|2.2\\\\=0.5971$

7 0

2 years ago

Two canoes travel down a river, starting at 9:00 a.M. One canoe travels twice as fast as the other. After 4.5 hours, the canoes

Vedmedyk [2.9K]

Answer:

$v_1=3.33 \ miles/hour\\v_2=6.66 \ miles/hour$

Step-by-step explanation:

<u>Constant Speed Motion </u>

When the object travels the same distances in the same period of time, the speed is constant and is can be calculated as

$\displaystyle v=\frac{x}{t}$

where x is the distance and t is the time

There are two canoes traveling at speeds v1 and v2. One of them has twice the speed as the other. Let's say

$v_2=2v_1$

When t hours have passed, the canoes have traveled x1 and x2 respectively.

$x_1=v_1t$

$x_2=v_2t$

Since

$v_2=2v_1$

Then

$x_2=2v_1t$

The distance between them is

$X=x_2-x_1=2v_1t-v_1t$

$X=v_1t$

That distance is known and equals 11.25 miles, thus

$v_1t=15$

Solving for v1 and using t=4.5 hours

$\displaystyle v_1=\frac{15}{4.5}$

$v_1=3.33 \ miles/hour$

$v_2=2\times 3.33$

$\boxed{v_2=6.66 \ miles/hour}$

6 0

2 years ago

How do you describe the Steps to a written equation in to point slope form of the line that passes through the points (3,-2) and

AfilCa [17]

<span>Find the equation of the line that passes through the points (3,-2) and (4,5).</span>

5-(-2)=7/ 4-3=1

So the slope is 7. Now plugin 7 for "m" and use one of the two points for x and y

5=7(4)*b

5=28*b

5-28=b

-23=b

So y=7x-23

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2 years ago

Aisha estimates the product of 12 and 2.4 by rounding 2.4 to the nearest whole.

Tanya [424]

Answer:

Step-by-step explanation:

12*2=2

2.4 rounds down

8 0

2 years ago

HELLPPPPPP!!!

lilavasa [31]

Answer:

B - 181/500

Step-by-step explanation:

To convert percentages to fractions you divide by 100. That would make this 36.2/100. But we dont like fractions with decimal points in so you would multiply the whole thing by 5 to get rid of the .2 this makes the answer 181/500

3 0

2 years ago

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Find the equation of the line that passes through a point A(1,-5) B(-2,-7) ​

Find the equation of the line that passes through a point A(1,-5) B(-2,-7)