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sladkih [1.3K]
3 years ago
8

Please please help asap <3

Mathematics
1 answer:
sasho [114]3 years ago
8 0

Answer:

3to-9

Step-by-step explanation:

that what I know and I think so

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Debra can run 20.5 miles in 2.5 hours how many miles per hour can she run math problems
pashok25 [27]
She can run 20.5/2.5 equaling 8.2mph
7 0
3 years ago
The table can be used to determine the solution of equations, 2x - 2y = 6 and 4x + 4y = 28.
NeTakaya

Answer:

(5, 2)

Step-by-step explanation:

Given the following system of equations;

2x - 2y = 6  ......equation 1.

4x + 4y = 28  ......equation 2.

To get an equivalent equation, we would multiply eqn 1 by 2;

2 * (2x - 2y = 6) = 4x - 4y = 12

The new equivalent system of equations are;

4x - 4y = 12

4x + 4y = 28  

Adding the equivalent system of equations, we have;

(4x + 4x) + (-4y + 4y) = (12 + 28)

8x + 0 = 40

8x = 40

x = 40/8

<em>x = 5</em>

Next, we would find the value of y;

2x - 2y = 6

Substituting the value of x, we have;

2(5) - 2y = 6

10 - 2y = 6

Rearranging the equation (collecting like terms), we have;

2y = 10 - 6

2y = 4

y = 4/2

<em>y = 2</em>

<em>Therefore, the solutions to the new system of equations are 5 and 2.</em>

<u>Check:</u>

2x - 2y = 6

Substituting the values, we have;

2(5) - 2(2) = 6

10 - 4 = 6

6 = 6

3 0
3 years ago
The figure shows a carpeted room. How many square feet of the room are carpeted?
Nadya [2.5K]

Answer:

Hello there, the answer would be

Step-by-step explanation:

We cut the figure into two different shapes.

Since on one side it is 4 feet and the height is seven, we cut right there.

So the bottom figure is now 4 x 5 = 20

The top figure is cut with 3 height left, So all we do is just multiply.

8 x 3 = 24.

20+24=44.

PLEASE MARK AS BRAINLIEST!!!

3 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
storchak [24]

Answer:

a_n = 1200(1.35)^n

Step-by-step explanation:

Equation to remember:

P_0(1+r)^t where t = time

P_0 = 1200 since that's the initial population

r  = .35 rate of change \\

t  = 5 years

Plug in the numbers;


a_5 = 1200(1+.35)^5


Since the prompt looks like it's asking for an equation given any number of years.. then just change 5 to n for number of years.


a_n = 1200(1.35)^n

8 0
2 years ago
Read 2 more answers
Find the value of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%20%5E%7B3%7D" id="TexFormula1" title="\frac{2}{3} ^{3}
olga nikolaevna [1]

Answer:

Step-by-step explanation:

5 0
2 years ago
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