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2 years ago

Help pleaseee ! will mark brainly and 17.5 points !with explanation please

Mathematics

2 answers:

WITCHER [35]2 years ago

8 0

Answer:

Hope this helps. x=12 and y= -10

ad-work [718]2 years ago

5 0

SOLUTION FOR X:

Multiply to remove the fraction, then set equal to 0 and solve

$x=7-\frac{y}{2}$

SOULTION FOR Y:

Multiply to remove the fraction, then set equal to 0 and then solve

$y=-34+2x$

Sure hope this helps you and pls mark me brainiest

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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

Please help! I cant afford to fail.. PLEASE NO LINKS

vova2212 [387]

Answer: The answer that I got was J.

7 0

3 years ago

Roger gets $ 4 0 $40dollar sign, 40 per day as wages and $ 4 . 5 0 $4.50dollar sign, 4, point, 50 as commission for every pair o

Novay_Z [31]

I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
PLEASE SEE ATTACHED IMAGE.
For this case we have the following variable:
p = number of pairs of shoes
The equation that represents the problem is:
f (p) = 4.50p + 40
To achieve your daily goal we have:
4.50p + 40 = 112
We clear the value of p =
4.50p = 112-40
p = 72 / 4.50
p = 16 (pair of shoes)
Answer:
an equation to determine how many pairs of shoes, p, Roger must sell in a day to meet his daily earnings goal is:
f (p) = 4.50p + 40
the number of pairs of shoes he must sell to meet his daily earnings goal is:
p = 16 (pair of shoes)