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3 years ago

PLEASE ANSWER ASAP!!!!!!!!!!!! I WILL GIVE BRAINLIEST!!!!!!!!

Mathematics

2 answers:

Mazyrski [523]3 years ago

6 0

Answer:

Y=5x

Step-by-step explanation:

The first the options aren’t even whole numbers

igor_vitrenko [27]3 years ago

3 0

y=5x

that is the correct answer because the constant is 5 and as long as the constant is 5 the upcoming numbers after that will the a multiple of 5. I hope the helps!!

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ABC is a right triangle. if AC =4 and BC=10,find AB leave the answer in simplest radical form

Ganezh [65]

AB = sqrt(10^2 - 4^2) = sqrt(100 - 16) = sqrt(84) = sqrt(4 x 21) = 2sqrt(21) = 2 radical 21.

8 0

3 years ago

Amy types at an average speed of 38 words per rinute. She has already typed 1,450 words of her final paper, which will be more t

34kurt

Answer: D. 38x + 1,450 > 4,000

Step-by-step explanation:

It has to be greater than 4,000 so A makes no sense

The parentheses are in the wrong place completely changing the meaning for B

C disregards the info we have about how she's already typed 1,450 words

The answer has to be D

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2 years ago

.........................

Zigmanuir [339]

Answer:

Step-by-step explanation:

given 3xy + 4yz + 8xz = 10

subtract 8xz from both sides leaving the terms in y together

3xy + 4yz = 10 - 8xz

take out the common factor y on the left side

y(3x + 4z) = 10 - 8xz

divide both sides by (3x + 4z)

y = $\frac{10-8xz}{3x+4z}$ → A

5 0

3 years ago

1. The number of rabbits on an island is increasing exponentially.

Zina [86]

Answer:

<em>There are approximately 114 rabbits in the year 10</em>

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

$P=P_o(1+r)^t$

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

We are given two measurements of the population of rabbits on an island.

In year 1, there are 50 rabbits. This is the point (1,50)

In year 5, there are 72 rabbits. This is the point (5,72)

Substituting in the general model, we have:

$50=P_o(1+r)^1$

$50=P_o(1+r)\qquad\qquad[1]$

$72=P_o(1+r)^5\qquad\qquad[2]$

Dividing [2] by [1]:

$\displaystyle \frac{72}{50}=(1+r)^{5-1}=(1+r)^{4}$

Solving for r:

$\displaystyle r=\sqrt[4]{\frac{72}{50}}-1$

Calculating:

r=0.095445

From [1], solve for Po:

$\displaystyle P_o=\frac{72}{(1+r)^5}$

$\displaystyle P_o=\frac{72}{(1.095445)^5}$

$P_o=45.64355$

The model can be written now as:

$P=45.64355(1.095445)^t$

In year t=10, the population of rabbits is:

$P=45.64355(1.095445)^{10}$

P = 113.6

$P\approx 114$

There are approximately 114 rabbits in the year 10

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2 years ago

Company A charges $28.50 plus $18 per room to clean carpet. Company B charges $16.50 plus $20 a room.

HACTEHA [7]

Answer:

Company B

Step-by-step explanation:

28.50 plus 18= 46.50

16.50 plus 20= 36.50

8 0

3 years ago