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3 years ago

What is 6.1 divided by 9 (step by step)

2 answers:

6 0

Use division or long division (ignore the decimal point)
Then put the decimal in the same spot as the dividend (the number being divided)

Ostrovityanka [42]3 years ago

3 0

Do the same method as i said on your last quesion
divide by 9 to 6,,,, u cant divide so put a decimal [ 0. ] then put 1 back to 6 and divide 61 by 9 u get [ 6 ] and remains 7 put 0 back of 7 and do the same process
u will get 0.6777777777777777

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Explain how you can determine the annual percent increase when looking at an exponential function for a city population . Answer

Andru [333]

Answer:

The annual increase in the percentage of a pollution can be determined by some mathematical calculation.

Step-by-step explanation:

In order to determine the annual percentage increase over one year for a city population, we must do the following,
First we must subtract starting value that is the initial population of the city at the starting of the year from the final value that is the final population of the city at the end of the year.
Now divide the whole by the starting value.
This gives you the value of increase in the rate of growth, Now inorder to obtain it in percentage format, we must multiply the resultant value by 100.

This finally gives you the rate of increase in the population in percentage.

5 0

4 years ago

The area of the triangle formed by x− and y− intercepts of the parabola y=0.5(x−3)(x+k) is equal to 1.5 square units. Find all p

jeka57 [31]

Answer:

K = -1 or -2

Step-by-step explanation:

Given the equation of parabola is, y = 0.5(x-3)(x+k).

Finding y-intercept, put x=0 and solve for y :-

y = 0.5(0-3)(0+k)

y = 0.5(-3)(k)

y = -1.5k

Finding x-intercepts, put y=0 and solve for x :-

0 = 0.5(x-3)(x+k)

(x-3)(x+k) = 0

x = 3 OR x = -k

So, the coordinates of triangle ABC are:-

A(0, -1.5k), B(3, 0), and C(-k, 0)

Assuming origin O(0,0), find the area of triangle ABC:-

Area = (1/2) * BC * OA

Area = (1/2) * (k+3) * (1.5k)

But given the area is 1.5 square units.

So, (1/2) * (-k-3) * (1.5k) = 1.5

(1/2) * (-k-3) * (k) = 1

k(-k-3) = 2

-k² -3k -2 = 0

k² +3k +2 = 0

k² +2k +k +2 = 0

(k+2)(k+1) = 0

So, k = -1 or k = -2

7 0

3 years ago

Read 2 more answers

Latoya received a $ 70 gift card for a coffee store. She used it in buying some coffee that cost $ 8.13 per pound. After buying

klasskru [66]

She bought 3 pounds of coffee

6 0

4 years ago

Sam is 5 years older than Michelle. If Michelle is m years old, write an

Airida [17]

Answer:

5+m

Step-by-step explanation:

Sam is 5 years older than Michelle. This sentance tells me that we have to add. Michelle is m years old, so we can add 5+m.

Hope this helps, have a blessed day, and for any questions or comments, please ask in the comment section below!

8 0

3 years ago

What is the percentage of change from $7.50 to $9.00

DaniilM [7]

The percentage of Chang from 7.50 to 9.00 is 20

7 0

3 years ago