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Olin [163]
3 years ago
13

Please help ASAP taking test difficulty on hard mode

Mathematics
1 answer:
Aliun [14]3 years ago
7 0

Answer:

D confia

Step-by-step explanation:

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0.9x + 2.3x = -6.4<br>I don't understand this lol​
marissa [1.9K]

Answer:

-2

Step-by-step explanation:

0.9x + 2.3x = -6.4

3.2x = -6.4

x = -2

3 0
3 years ago
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Is the airplanes altitude a function of time
Natali5045456 [20]

Answer:

yes because any input of time results in only one output of altitude

yes because the airplane increases and decreases in altitude at the same rate

pick either one :>  

3 0
3 years ago
HELPPPPPPP ASAPPPPP PLEASEEE
Kobotan [32]
<h3>Answer: </h3><h3>See the attached image below for the table</h3>

In column 1 we have the x values 0, 4, 8, 12

In column 2, we have the y values 1, 2, 3, 4

==================================================

Explanation:

We can start with any x value we want. I find that 0 is easiest to work with, so why not start at x = 0. For the sake of not repeating, I'll use y = 1 as the start value for y.

The first row of the table is x = 0 and y = 1.

A slope of 1/4 means rise/run = 1/4. So rise = 1 and run = 4.

A rise of 1 indicates y goes up by 1. A run of 4 means x increases by 4.

So put together, slope = 1/4 means each time x goes up by 4, y goes up by 1.

-----------

If we started at x = 0, then going up by 4 leads to x = 4. If y starts at y = 1, then going up by 1 leads to y = 2.

The second row of the table is x = 4 and y = 2

We'll repeat the pattern of "add 4 to x, add 1 to y" getting the third row having x = 8 and y = 3

We can repeat as many times as we want. Doing another "up 1, over to the right 4" movement lands us on (x,y) = (12, 4)

The completed table is shown below in the attached image.

-----------

If you were to use the slope formula with any two rows of the table, then you should get m = 1/4

Let's do the first two rows

m = (y2-y1)/(x2-x1)

m = (2-1)/(4-0)

m = 1/4

I'll let you check the other pairs of rows.

3 0
3 years ago
If an electric hair dryer uses 2,400 j of energy in 2s, what is its power?
AnnyKZ [126]
4800 j ya que lo valoras por segundos no por minutos y lo vas a sumar una vez con la misma cantidad que te dio

7 0
3 years ago
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Which of the following are solutions to x-1 = 5x + 2 ? Check all that apply.
Ad libitum [116K]

Answer:

The answer is-3/4

Step-by-step explanation:

#Hope it helps uh.....

5 0
3 years ago
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