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Mice21 [21]
3 years ago
12

NEED HELP PLEASE!!!!!!!

Mathematics
1 answer:
xeze [42]3 years ago
7 0
C
Is the answer
Pls mark brainliest
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What is the intercept? what is the slope? y+2=9
Mars2501 [29]
Y + 2 = 9

y = 7

y = zero-x + 7

<u>The y-intercept is 7.</u>
<u>The slope is zero.</u>

The graph is a horizontal line. That's the meaning of zero slope.
It crosses the y-axis at 7, and it's always 7 units above the x-axis.
The line is parallel to the x-axis, and never crosses it.
5 0
4 years ago
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What is the difference (how far apart on a number line are the solutions) between the sum of roots versus the product of the roo
pychu [463]

Answer:

7

Step-by-step explanation:

(x - 5)(x + 2) = 0

x = 5 & -2

Now,

given

r > s

r = 5, s = -2

Now,

=> r - s

=> 5 - (-2)

=> 5 + 2

=> 7

4 0
2 years ago
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What is 2,912 rounded to the nearest thousand
FrozenT [24]

Answer:

3,000

Step-by-step explanation:

Find the number in the thousand place  2  and look one place to the right for the rounding digit  9 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 .

5 0
4 years ago
Read 2 more answers
In 1898 L. J. Bortkiewicz published a book entitled The Law of Small Numbers. He used data collected over 20 years to show that
attashe74 [19]

Answer:

(a) The probability of more than one death in a corps in a year is 0.1252.

(b) The probability of no deaths in a corps over 7 years is 0.0130.

Step-by-step explanation:

Let <em>X</em> = number of soldiers killed by horse kicks in 1 year.

The random variable X\sim Poisson(\lambda = 0.62).

The probability function of a Poisson distribution is:

P(X=x)=\frac{e^{-\lambda}\lambda^{x}}{x!};\ x=0,1,2,...

(a)

Compute the probability of more than one death in a corps in a year as follows:

P (X > 1) = 1 - P (X ≤ 1)

             = 1 - P (X = 0) - P (X = 1)

             =1-\frac{e^{-0.62}(0.62)^{0}}{0!}-\frac{e^{-0.62}(0.62)^{1}}{1!}\\=1-0.54335-0.33144\\=0.12521\\\approx0.1252

Thus, the probability of more than one death in a corps in a year is 0.1252.

(b)

The average deaths over 7 year period is: \lambda=7\times0.62=4.34

Compute the probability of no deaths in a corps over 7 years as follows:

P(X=0)=\frac{e^{-4.34}(4.34)^{0}}{0!}=0.01304\approx0.0130

Thus, the probability of no deaths in a corps over 7 years is 0.0130.

6 0
3 years ago
Find the value of x. Picture below
Wittaler [7]

Here a right angled triangle given. We know that one angle of a right angled triangle is 90°.

As the sum of three angles of a triangle is 180°, so we can say the sum of other two angles of a right angled triangle is (180-90)° = 90°.

Here in the figure the other two angles given (2x)^o and (x+15)^o. Sum of these two angles is 90°.

So we can write the equation as,

(2x)+(x+15) = 90

We have to remove the parenthesis now.

2x+x+15 = 90

Now we will add the like terms. Here x and 2x are like terms. By adding them we will get,

3x+15 = 90

To solve it for x, now we have to move 15 to the other side by subtracting it from both sides.

3x+15-15 = 90-15

3x= 90-15

3x= 75

Now to get x, we have to move 3 to the other side, by dividing it to both sides.

(3x)/3 = (75)/3

x = (75)/3

x = 25

We have got the required value of x.

The solution is x= 25.

3 0
4 years ago
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