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Lina20 [59]
3 years ago
5

Show twelve in four different ways

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0
12 can be shown in four different ways by performing subtraction, addition, multiplication, and/or division:

14 - 2
6 + 6
3 x 4
60 / 5

All of these expressions result in 12.
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Which of these numbers is in the solution set of x + 5 = 15? A. 10 B. 3 C. 20 D. 11
stealth61 [152]

Answer:

A

Step-by-step explanation:

10 + 5 = 15

6 0
3 years ago
Read 2 more answers
A room is 5 meters by meters . How many square 14-inch tiles will it take to floor the room ? I meant to say a room is 5 meters
lesya [120]

Given:

Room is 5 meters by 8 meters.

Measure of squaree tiles is 14-inch.

\begin{gathered} \text{Area of the room=5}\times8 \\ \text{Area of the room=}40m^2 \end{gathered}1m^2=1550inch^2\begin{gathered} \text{Area of each tile=14}\times14 \\ \text{Area of each tile=}196inch^2 \end{gathered}\begin{gathered} \text{Number of tiles to floor the room=}\frac{40\times1550}{196} \\ \text{Number of tiles to floor the room}=316.3265 \end{gathered}

Approximately 316 tiles are required to floor the room.

8 0
1 year ago
What is the solution to the equation <br> 13×3/4+x=7(1/4)
yan [13]
I'm going to assume you mean:

13 * (3/4) + x = 7 * (1/4)

Let's go ahead and simplify the right side.

7 * (1/4) = 1.75

So now we have:


13 * (3/4) + x = 1.75

Now let's take care of the right side. Multiplication before addition.

13 * (3/4) = 9.75

9.75 + x = 1.75

To isolate x, we subtract 9.75 from both sides.

9.75 - 9.75 + x = 1.75 - 9.75

x = -8

Hopefully I spaced this well. \('-')/
5 0
3 years ago
Please, can someone help?
LekaFEV [45]
The area of that figure is 2453.25 square feet

First, you would need to find the area of the rectangle

(L)(W)
(70)(30)
2100

Then since it is only a semi circle, the formula is pi*r^2/2

You find the area of a full circle first

(3.14)(15^2)
(3.14)(225)
706.5

Then you divide that by 2 since it’s only half a circle

706.5/2 = 353.25

Finally you add that by the area of the rectangle

2100 + 353.25 = 2453.25 square feet
3 0
3 years ago
Plz help me!!
zmey [24]
Y> -4a=36 or 36=-4a< y
3 0
3 years ago
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