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3 years ago

Someone help if you can

Mathematics

1 answer:

Sav [38]3 years ago

3 0

Answer:

sorry but the words are very blurry

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Pleses help me thank you

OLEGan [10]

when solving for y

y = -7x/3-6

so y does not vary directly with x

the answer is no

4 0

3 years ago

-x(y+z) if x=4, y=-3, and z= -5

ohaa [14]

Answer:

Step-by-step explanation:

Given

-x (y + z)

If y = -3

x = 4 and

z = -5

Substitute the respective values into the expression

-(4) (-3 + -5)

Positive negative when combined gives negative

-4 ( -3 - 5)

Simplify the bracket

-4 (-8)

-4 x -8

Negative negative gives positive

4 0

3 years ago

Help plzzzzzzzzzzzzzzzzz

charle [14.2K]

Answer:

water + vinegar = 24 oz

W + V = 24

Also, we know V = 2 W add 2 parts of vinegar to 1 part water

2W + W = 24 oz

W = 8 oz

V = 16 oz amounts to add

5 0

2 years ago

A person calls people to ask if they would like to extend their automobile insurance beyond the normal3years. The probability th

Sonbull [250]

Using the binomial distribution, it is found that there is a 0.0231 = 2.31% probability that the first person to say yes will occur with the seventh customer.

For each person, there are only two possible outcomes, either they say yes, or they say no. The probability of a person saying yes is independent of any other person, which means that the binomial distribution is used to solve this question.

Binomial probability distribution

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

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

The parameters are:

x is the number of successes.
n is the number of trials.
p is the probability of a success on a single trial.

In this problem:

The probability that the seventh person is the first to say yes is P(X = 0) when n = 6(first six say no) multiplied by 0.37(probability the seventh say yes).
37% say yes, hence $p = 0.37$