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3 years ago

Some friends spent the afternoon collecting aluminum cans for

2 answers:

6 0

The friends couldn’t have collected the same amount of cans each hour, if they did they would have ended up with the same amount of cans.

But we can assume these three friends collected cans on one account. Assuming this we can add 86+89+113
And divide it by 6 hours. Doing this we get 48 cans/ hour.

Afina-wow [57]3 years ago

4 0

Answer:

1728

Step-by-step explanation:

first, you have to add the total number of cans they collected each hour.

second,you have to multiply the number of hours by your answer for step 1.

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Divide 30 into 0.57 and explain answer please

Liula [17]

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3 years ago

668 ÷ 35 show quotient as mixed number

yulyashka [42]

Quotient=19
remainder= 3
or
mixed number = 3/35

7 0

3 years ago

Read 2 more answers

PLEASSSEEEE HELLLLP MEEEE!

Vanyuwa [196]

Answer:

1) C = 3

2) B = 5

3) C = 8

Step-by-step explanation:

Question 1)

We have:

$(2x+3)(4x-1)$

Distribute:

$=(2x+3)(4x)+(2x+3)(-1)$

Distribute:

$=8x^2+12x-2x-3$

Combine like terms:

$=8x^2+10x-(3)$

Therefore, C = 3.

Question 2)

We have:

$(x+2) (2x^2+x-1)$

Distribute:

$\displaystyle =(x+2)(2x^2)+(x+2)(x)+(x+2)( - 1)$

Distribute:

$=(2x^3+4x^2)+(x^2+2x)+(-x -2)$

Combine like terms:

$=2x^3+(5)x^2+x-2$

Therefore, B = 5.

Question 3)

We have:

$(x+2)(x^2-3x-2)$

Distribute:

$=(x+2)(x^2)+(x+2)(-3x)+(x+2)(-2)$

Distribute:

$=(x^3+2x^2)+(-3x^2-6x)+(-2x-4)$

Combine like terms:

$=x^3-x^2-(8)x-4$

So, C = 8.

6 0

2 years ago

The distance between two train stops is 160 miles the train will travel 3/4 miles per minute how long will it take the train to

Delicious77 [7]

Answer:

<h2> 3hours 55 minute</h2>

Step-by-step explanation:

Step one:

Given data

distance= 160miles

velocity = 3/4 miles per minutes

Step two:

Required:

time

we know that velocity is

v=distance/time

times= distance/velocity

time=160/3/4

time= 160*4/3

time=640/3

time=213.33333minuts

Time= 3hours 55 minute

8 0

2 years ago

Gary is testing a river water sample in his lab. Initially, there are 64 bacteria in the river water sample. The number of bacte

rusak2 [61]

<h2>Hello!</h2>

The answers are:

- The quantity that represents the initial number of bacteria is <u>64.</u>

- The quantity that represents the rate at which the number of bacteria is increasing is (1+0.12) or <u>1.12</u> which means the growth rate percentage for the bacteria is 0.12 or (0.12*100), it will be <u>12%.</u>

To solve the problem, and complete the statements, we need to remember the form of the exponential growth.

The exponential growth formula is given by the following formula:

$P(t)=StartAmount(1+PercentageRate)^{t}$

Where,

Start Amount, is the starting population or amount.

(1+Percentage Rate), is the increasing rate

Percentage Rate, is the growth rate percentage.

t, is the time elapsed.

Now, we are given the following expression:

$P(3)=64(1.12)^{3}$

Which can be rewrited as:

$P(3)=64(1+0.12)^{3}$

So, we have that:

- The quantity that represents the initial number of bacteria is 64.

- The quantity that represents the rate at which the number of bacteria is increasing is (1+0.12) or 1.12 which means the growth rate percentage for the bacteria is 0.12 or (0.12*100), it will be 12%.

Have a nice day!

7 0

3 years ago