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Natalka [10]
3 years ago
7

Anybody know how to do this?

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

7/19, 9/19 11/19

I hope this really helps

basically just add 2 on to the numerator

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Simplify the sum (3x^4 + 2x^2 + 1) + (5x^4 - 9x - 7)
Wittaler [7]

Answer:

8x^4 + 2x^2 - 9x - 6

Hope this helps!

7 0
3 years ago
What is the value of x
Mrrafil [7]
From the looks of it, I believe it is either 120, 125, or 126. If you have options, let me know so I can take a closer look.
6 0
3 years ago
There are a total of 21 students in the choir and the drama club. There are 7 more students in the choir than the drama club. Wr
PolarNik [594]

Answer:

<em>The number of students in the drama club is 7 and the number in the choir is 14</em>

Step-by-step explanation:

X = Number of students in choir club

Y =  Number of students in drama club

<u>First equation:</u>

x + y = 21

<u></u>

<u>Since we know that there are 7 more students in the choir club than the drama club, that means:</u>

x + 7 = y

<u>A little trick that you can do to find y is this:</u>

21 students in the choir and drama club - 7

=> 14

Meaning that y is 14

<u>So lets go back into our second equation:</u>

x + 7 = 14

7 + 7 =14

x=7

<u>Plug both variables in:</u>

7 + 14 = 21

So that means that there are 7 students in the drama club and 14 students in the choir club.

8 0
3 years ago
6. During an emergency exercise, a submarine dives 37 ft, rises 16 ft, and
Masteriza [31]

During an emergency exercise, a submarine dives 37 ft, rises 16 ft, and

then dives 18 ft. The net change in the submarine's position = - 37 + 16 - 18

Net change is the difference between a security's closing price for a given trading period and its closing price for the current trading session. The term "net change" for stock prices often refers to a daily time frame, therefore the net change for the specific day in question might be either positive or negative.

Therefore, the net change = -39 ft.

What is a net change?

  • Net change is the difference between the quantity of a variable at the end state and the starting state.
  • For example, start with some number. Add 10 to it, subtract 5 from it, again add 7, then subtract 16.
  • The net change will be 10 + 5 + 7 - 16 = 6
  • Whatever number you have started with, the result is 6 more.

To learn more about the net change, visit:

brainly.com/question/16410429

#SPJ9

5 0
1 year ago
What is the shape of earth?
Serjik [45]

Answer:

A. round

Step-by-step explanation:

simple answer, I think you were just joking

4 0
2 years ago
Read 2 more answers
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