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Advocard [28]
2 years ago
14

Write an equation in slop intercept for of the line with the following:

Mathematics
1 answer:
Gnom [1K]2 years ago
3 0

Answer:

y = -3/4x -5

Step-by-step explanation:

The slope always goes first, then  variable x and the y intercept comes last

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I have 10 goats, n of which are male. I need to choose 2 of them to make a casserole.
snow_tiger [21]

Answer: There are 4 male goats.

Step-by-step explanation:

We know that n of the 10 goats are male.

The probability that in a random selection, the selected goat is a male, is equal to the quotient between the number of male goats (n) and the total number of goats (10)

The probability is;

p = n/10

Now the total number of goats is 9, and the number of male goats is n -1

then the probability of selecting a male goat again is:

q = (n-1)/9

The joint probability (the probability that the two selected goats are male) is equal to the product of the individual probabilities, this is

P = p*q = (n/10)*((n-1)/9)

And we know that this probability is equal to 2/15

Then we have:

(n/10)*((n-1)/9) = 2/15

(n*(n-1))/90 = 2/15

n*(n-1) = 90*2/15 = 12

n^2 - n = 12

n^2 - n - 12  = 0

This is a quadratic equation, we can find the solutions if we use Bhaskara's formula:

For an equation:

a*x^2  + b*x + c =  0

The two solutions are given by:

x = \frac{-b +- \sqrt{b^2 - 4*a*c} }{2*a}

For our case, the solutions will be:

n = \frac{1 +- \sqrt{(-1)^2 - 4*1*(-12)} }{2*1 } = \frac{1+- 7}{2}

The two solutions are:

n = (1 - 7)/2 = -3    (this solution does not make sense, we can not have a negative number of goats)

The other solution is:

n = (1 + 7)/2 = 4

This solution does make sense, this means that we have 4 male goats.

5 0
2 years ago
Select the correct answer. Consider the function f(x) = x2 and the function g(x) shown below. How will the graph of g(x) differ
katen-ka-za [31]

Answer:

B

Step-by-step explanation:

just think logically about it.

you take f(x) (which stands for the result value y, you know that), do not change f(x) in any way but add finally 5 to every y value created.

there is no other effect than moving the whole f(x) curve up by 5 units, because every y value is now bigger by 5 units.

7 0
1 year ago
Is 0.7 greater or less than 9/10
Margarita [4]

Answer:

less than

Step-by-step explanation:

.7 = 7/10

7/10 is less than 9/10

plz mark brainliest

7 0
3 years ago
Read 2 more answers
Find the circumference of the circle. use 3.14 for round to the nearest unit
liberstina [14]

I’m going to say b.66 because 3.14•10.5•2=65.94

I got 10.5 by dividing 21 by 2 because I guessed it was the diameter

5 0
2 years ago
Write the standard form of the line that contains a y-intercept of -3 and passes through the point (3,0). Include your
Ymorist [56]

Answer:

y = -3x + 9 is your answer.

Step-by-step explanation:

So your y-intercept is the slope. Here is the equation we are going to use:

y - y_1 = m(x - x_1)

y_1 = 0

x_1 = 3

m = -3.

y - 0 = -3(x - 3)

y - 0 = -3x + 9

y = -3x + 9 is your answer.

7 0
3 years ago
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