3 years ago

Write an expression with the value of 12.It should contain four numbers and two different operations

2 answers:

6 0

(4+4)+8-4
/ \
8 + 8 -4
16 - 4
/ \
12

Nady [450]3 years ago

5 0

8-2+(12÷2)

Hope this helps :)

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marta [7]

Answer:

(3,2)

Step-by-step explanation:

Let's solve this via elimination method:

$\begin{cases} x+y=5\\x-y=1\end{cases}$

By subtracting equation 2 from equation one we obtain:

$\begin{cases} x+y=5\\-(x-y=1)\end{cases}\\\\0x+2y=4\\\\y=2$

Next we can use any equation either 1 or 2 to determine what x is, I'll use equation 1. Let y=2 and so:

$x+y=5\\\\x+2=5\\x=5-2\\\\x=3$

Therefore the solution for the system of equations is:

x=3 and y = 2 as an ordered pair we have (3,2)

7 0

3 years ago

mihalych1998 [28]

It will go in it 9 times cause 9*20=180

4 0

2 years ago

topjm [15]

Her postcard is 5/8 inches over the height limit

6 0

2 years ago

9966 [12]

Yes, it is.
2(3) - 3(2) = 0
2(3) + 2 = 8

6 0

2 years ago

anzhelika [568]

T(2)=d you multiply <em>t</em> times 2 to get <em>d</em>

6 0

3 years ago