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kondaur [170]
3 years ago
8

PLEASE HELP IM REALLY BEHIND AND I CANT MESS THIS UP

Mathematics
1 answer:
romanna [79]3 years ago
7 0

Answer:

13, 9, 5, 1

Step-by-step explanation:

y = -2(-2) + 9

y = 4 + 9

y = 13

y = -2(0) + 9

y = 0 + 9

y = 9

y = -2(2) + 9

y = -4 + 9

y = 5

y = -2(4) + 9

y = -8 + 9

y = 1

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Anyone know how to do this...
eduard

Answer:

yes I knowww

find root

a) 7

b) -9

3 0
3 years ago
4. Up until the last game, Sellina has made 75% of her free-throws. If she continues
Westkost [7]

Answer:

0.5625 = 56.25% probability that she will make the next two free-throws in the next game.

Step-by-step explanation:

For each free throw, there are only two possible outcomes. Either Sellina makes it, or she misses. The probability of making a free throw is independent of any other free throw. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

75% of her free-throws.

This means that p = 0.75

What is the probability that she will make the next two free-throws in the next game?

This is P(X = 2) when n = 2. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{2,2}.(0.75)^{2}.(0.25)^{0} = 0.5625

0.5625 = 56.25% probability that she will make the next two free-throws in the next game.

7 0
3 years ago
Multiply (b+3)*(a+7)
mestny [16]

Answer:

ba+7b+3a+21

Step-by-step explanation:

Use the FOIL method: (a+b)*(c+d) = ac+ad+bc+bd(a+b)(c+d )= ac+ad+bc+bd.

6 0
3 years ago
Read 2 more answers
How many teams does the polynomial x2 y2 have
Fed [463]

Answer:

Step-by-step explanation:

12x2 + 3xy - x2 + y2

= 11x2 + 3xy + y2

8 0
3 years ago
What is the slope of the line through (-1,4) and (5,2)
butalik [34]

Answer:

Slope (m) = -\frac{1}{3}

Step-by-step explanation:

Use the following equation:

Slope (m) = \frac{y_2 - y_1}{x_2 - x_1}

Let:

(x_1 , y_1) = (-1 , 4)\\(x_2 , y_2) = (5 , 2)

Plug in the corresponding numbers to the corresponding variables:

m = \frac{2 - 4}{5 - (-1)} = \frac{2 - 4}{5 + 1} = \frac{-2}{6}

Simplify. Divide common factors from both the numerator and denominator:

\frac{(-\frac{2}{6})}{\frac{2}{2} } = -\frac{1}{3}

-\frac{1}{3} is your answer.

~

8 0
3 years ago
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