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2 years ago

Help me please i really need help

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

7 0

The picture is like less than 144p

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HELP ASAP WILL GIVE BRAINLIST

Basile [38]

The answer to your question is 0

6 0

2 years ago

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Which of the following is the correct factorization of the trinomial below? -7x^2-5x+18

ryzh [129]

Answer: C. (-7x+9)(x-2)

Step-by-step explanation:

1. Factor out the negative sign.

−(7x^2+5x−18)

2. Split the second term in 7x2+5x−18 into two terms.

−(7x^2+14x−9x−18)

3, Factor out common terms in the first two terms, then in the last two terms.

−(7x(x+2)−9(x+2))

4. Factor out the common term x+2x+2x+2.

−(x+2)(7x−9) or (-7x+9)(x-2)

8 0

2 years ago

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What is the completely factored form of x3-64?

nataly862011 [7]

a^3 - b^3 = (a - b) (a^2 + ab + b^2)
so
x^3 - 4^3 = (x - 4)(x^2 + 4x + 16)

hope it helps

7 0

2 years ago

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The weight of people in a small town in Missouri is known to be normally distributed with a mean of 186 pounds and a standard de

OleMash [197]

Answer:

the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds is 0.0166

Step-by-step explanation:

The summary of the given statistical data set are:

Sample Mean = 186

Standard deviation = 29

Maximum capacity 3,417 pounds or 17 persons.

sample size = 17

population mean =3417

The objective is to determine the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds

In order to do that;

Let assume X to be the random variable that follows the normal distribution;

where;

Mean $\mu$ = 186 × 17 = 3162

Standard deviation = $29* \sqrt{17}$

Standard deviation = 119.57

$P(X>3417) = P(\dfrac{X - \mu}{\sigma}>\dfrac{X - \mu}{\sigma})$

$P(X>3417) = P(\dfrac{3417 - \mu}{\sigma}>\dfrac{3417 - 3162}{119.57})$

$P(X>3417) = P(Z>\dfrac{255}{119.57})$

$P(X>3417) = P(Z>2.133)$

$P(X>3417) =1- 0.9834$

$P(X>3417) =0.0166$

Therefore; the probability that a random sample of 17 persons will exceed the weight limit of 3,417 pounds is 0.0166

5 0

3 years ago

Sevastion's friend gives him 4 special baseball cards to start his own collection . Sebastian then buys 6 new baseball cards for

Sonbull [250]

Answer:

F(x) = 6x + 5.

Step-by-step explanation:

Given that :

Number of cards Given to Sébastian = 4

Number of baseball cards purchased every month = 6 cards

Number of months = x

Linear function f(x) which shows the number of cards after a number of months:

(Number of cards produced per month * Number of months) + number of card `

F(x) = 6x + 5

3 0

3 years ago