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3 years ago

BRAINLIEST TO RIGHT ANSWER! NEED HELP ASAP!

Mathematics

2 answers:

Alenkasestr [34]3 years ago

7 0

You’re answer is y=3x-8

yan [13]3 years ago

5 0

Answer:

y = 3x - 8

Step-by-step explanation:

Line is passing through the points (2, - 2) & (0, - 8)

Slope of line

$\: m = \frac{ - 8 - ( - 2)}{0 - 2} \\ \\ = \frac{ - 8 + 2}{ - 2} \\ \\ = \frac{ - 6}{ - 2} \\ \\ = 3 \\ \\y-intercept = b = - 8\\ \\equation \: of \: line \: in \:slope \:\\ intrecept \: form \: is \: given \: as \\ \\ y = mx + b \\ \\ y = 3x + ( - 8) \\ \\ \huge \red {y = 3x - 8}$

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Rewrite 7 1/8 as an improper fraction.

Nimfa-mama [501]

It is 57/8 ! You should use this math calculater! it's called calculater soup!

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4 years ago

Please help me i would really appreciate it

inna [77]

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4 years ago

A baseball player has a batting average of 0.25. What is the probability that he has exactly 2 hits in his next 7 at bats

marissa [1.9K]

Answer:

The probability that he has exactly 2 hits in his next 7 at-bats is 0.3115.

Step-by-step explanation:

We are given that a baseball player has a batting average of 0.25 and we have to find the probability that he has exactly 2 hits in his next 7 at-bats.

Let X = Number of hits made by a baseball player

The above situation can be represented through binomial distribution;

$P(X = r) = \binom{n}{r}\times p^{r} \times (1-p)^{n-r}; x = 0,1,2,......$

where, n = number of trials (samples) taken = 7 at-bats

r = number of success = exactly 2 hits

p = probability of success which in our question is batting average

of a baseball player, i.e; p = 0.25

SO, X ~ Binom(n = 7, p = 0.25)

Now, the probability that he has exactly 2 hits in his next 7 at-bats is given by = P(X = 2)

P(X = 2) = $\binom{7}{2}\times 0.25^{2} \times (1-0.25)^{7-2}$

= $21 \times 0.25^{2} \times 0.75^{5}$

= 0.3115

5 0

4 years ago

Maggie has 3 quarters, Elizabeth has 5 quarters, and John has 7 quarters. If a represents $0.25, which of the followin expressio

vampirchik [111]

Answer:

.375 cents Or 3.75 dollars

Step-by-step explanation:

So on each number you have a certain amount of quarters so for maggie 75 cents

and for elizabeth 1.25

and john 1.75 then add all together to get 375 cent of 3.75 dollars

3 0

3 years ago

Read 2 more answers

Solve using substitution. y = -x - 1 y = x + 3 Submit

Alex Ar [27]

Answer:

Step-by-step explanation:

-x - 1 = x + 3

-2x - 1 = 3

-2x = 4

x = -2

y = -2 + 3

y = 1

(-2, 1)

4 0

3 years ago