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3 years ago

PLEASE HELP! 35 POINTS!!

Mathematics

2 answers:

Butoxors [25]3 years ago

6 0

The answer to this is

the slope can be described as rise/run or
we can switch the order because the negatives cancel

choice A is correct
choice B is wrong because it is flipped one but not the other
chocies C is correct

faltersainse [42]3 years ago

6 0

#1 and #3 are right hope that helps you and good luck

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the cost to rent a jet ski is $80 per hour. you must also pay a flat fee of $25 for a lesson on how to use the jet ski. write th

motikmotik

Y=mx+b
y=80x+25
for every hour you must pay 80$
how many hours is X
and B is the rate you must pay anyway for the lesson and how many hours you have rented.

4 0

3 years ago

The sum of six times a number and thirteen is five less than the product of three and the number

Svetllana [295]

Answer:

1 and 1/3

Step-by-step explanation:

I got this because you can first take 13-5 which is 8 then you can divide 8 by 6 to get your final answer.

Hope this helps.

6 0

3 years ago

Let a = x2 + 4. Use a to find the solutions for the following equation:

Zepler [3.9K]

The solutions for x are -2, 0, 2

<em><u>Solution:</u></em>

Given that,

$\text { Let } a = x^2 + 4$

Given equation is:

$(x^2 + 4)^2 + 32 = 12x^2 + 48$

$(x^2 + 4)^2 + 32 = 12(x^2 + 4)$

$\text { Subtsitute } a = x^2 + 4 \text{ in above equation }$

$a^2 + 32 = 12a\\\\a^2 -12a + 32 = 0$

$\text{ Let us factorize the above equation }\\\\\text{ Splitting the middle term -12a as -4a - 8a we get, }$

$a^2 -4a - 8a + 32 = 0$

Taking "a" as common term from first two terms and taking "-8" as common from last two terms

$a(a-4)-8(a - 4) = 0$

$\text{Taking (a - 4) as common term, }\\\\(a - 4)(a - 8) = 0$

$\text{Equating to zero we get, }\\\\(a - 4) = 0 \text{ or } (a - 8) = 0\\\\a = 4 \text{ or } a = 8$

$\text{Now substitute the value of a = 8 and a = 4 in: }\\\\a = x^2 + 4$

$\text{ For a = 8: }\\\\a = x^2 + 4\\\\8 = x^2 + 4\\\\x^2 = 4\\\\x = \pm2\\\\x = +2 \text{ or } -2$

$\text{For a = 4: }\\\\a = x^2 + 4\\\\4 = x^2 + 4\\\\x = 0$

$\text{Thus solutions of } x \text{ are: }\\\\x = 0 \text{ or } x = 2 \text{ or } x = -2$

8 0

3 years ago

Why aren't convenience samples representative of the population?

vredina [299]

D) us Americans as men or women really don't get that much recondition. therfore if they can reach it easily, why would the get represented. imagine like the willy wonka and the charlie factory they only had 5 tickets in the whole world. if the whole world had them it wouldn't be as exselirating.

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3 years ago

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4 years ago