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-BARSIC- [3]
3 years ago
11

What's a simplified form of x-1+4+7x-3

Mathematics
1 answer:
Dovator [93]3 years ago
8 0
Ok so right now leave the x's alone. Now add/subtract the numbers without variables which would equal to 0 since -1+4 = 3 and 3-3 =0

now 7x+x =8x so 8x is answer
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NEED HELP ASAP!!!!!! Please!!!!
g100num [7]
I belive your awser is 13 units 
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6 0
3 years ago
For each graph find (a) AB to the nearest tenth and (b) the coordinates of the midpoint of line AB
Lorico [155]

In each graph, they give you a line.

For part A, they want you to use the <u>Distance Formula</u> which is:

\sqrt{(x2 - x1)^{2}+(y2 - y1)^{2}}

(x2 is supposed to be x sub 2, but I can't put subheadings in the equation tool)

x1, x2, y1, and y2 are the coordinates of the endpoints of the segment.


For part B, they want you to use the <u>Midpoint Formula</u>, which is:

(\frac{x1 + x2}{2}, \frac{y1 + y2}{2})

The coordinate pair you get from the Midpoint Formula is your midpoint.


Hope this helps! :)

3 0
3 years ago
Graph the integer -5 and it's opposite on a number line.
Naily [24]

Answer:

<--------------------------------------------->

   -5                  0                5

Step-by-step explanation:

I did this by finding the absolute value of -5, which would be its opposite seeing as the integer is negative. And once i found this I continued plotting on the graph until I was able to get positive 5.

7 0
3 years ago
Read 2 more answers
0.4 x 3.7 = ndnxndnnwhns 937473
77julia77 [94]
Use a Calculator app
3 0
3 years ago
Why do insects undergo moulting​
hichkok12 [17]

Answer:

Hello!

______________________

It is for shedding their outer skin or exoskeleton. During the process, they grow and develop. This is controlled by hormones. If these hormones are not formed, their body will become deformed and they will die.

Step-by-step explanation: In many insects in the larval stages, about 5 nos, moulting occurs. The science of moulting is an intricate subject. Man also undergoes hormonal stages in life. But in case of insects, they shed outer skin, to enable them grow, leading to pupal stage and adult stage. Hormones are wonderful chemicals and they play a major role in biology.

Hope this helped you!

8 0
3 years ago
Read 2 more answers
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