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m_a_m_a [10]
3 years ago
12

Find the value of x. Round the answer to the nearest tenth if needed.

Mathematics
1 answer:
horrorfan [7]3 years ago
8 0
I hope this helps you

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Please answer & explain this
sdas [7]
Parallel lines have the same slope.

To compare the slopes of two different lines, you have to get
both equations into the form of    
                                                        y = 'm' x  +  (a number) .

In that form, the 'm' is the slope of the line.
Notice that it's the number next to the 'x' .

The equation given in the question is    y = 3 - 2 x .
Right away, they've done something to confuse you.
You always expect the 'x' term to be right after the 'equals' sign,
but here, they put it at the end.  The slope of this line is the  -2 .

Go through the choices, one at a time.
Look for another one with a slope of  -2 .
Remember, rearrange the equation to read ' y = everything else ',
and then the slope is the number next to the 'x'.

Choice #4:  y = 4x - 2 .  The slope is  4 .  That's not it.

Choice #3:  y = 3 - 4x .  The slope is  -4 .  That's not it.

Choice #2).                       2x + 4y = 1

Subtract 2x from each side:    4y = 1 - 2x

Divide each side by  4 :             y = 1/4  -  1/2 x .

                                                     The slope is  -1/2.  That's not it.

Choice #1).                                 4x + 2y = 5

Subtract 4x from each side:              2y = 5 - 4x

Divide each side by 2 :                        y = 5/2  - 2 x .

                                                       The slope is -2 .
                                                       This one is it.  
                This one is parallel to  y = 3 - 2x ,
                 because they have the same slope.
4 0
3 years ago
Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed. The planes were
12345 [234]
The plane flying west was flying at 600 miles per hour and the plane flying east was flying 300 miles per hour
7 0
3 years ago
Please help me out!!!!!
Gnoma [55]
The last answer: 2 or 0

Explanation:

When you graph this function, it crosses the x-axis once. In other words, that means there is only 1 real zero and 2 imaginary complex zeros. In addition, imaginary solutions always come in pairs, so there can’t be a odd number of them such as 3.
8 0
3 years ago
Store A has a promotion. If you buy three shirts, you get 25% off the total price of the three shirts. Store B has the same shir
sergey [27]
The answer is store A has the best promotion

5 0
3 years ago
What is the product of (x+9)(x-9)
Verdich [7]

Answer:

x^2 - 81

Step-by-step explanation:

There is a formula called the difference of squares, which is

(a+b)(a-b) = a^2 - b^2

8 0
3 years ago
Read 2 more answers
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