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qaws [65]
3 years ago
11

Help me i stuk on tis queston wat is 3+1 ?

Mathematics
2 answers:
Sidana [21]3 years ago
8 0

Answer:

Its 4 thats the answer

Step-by-step explanation:

let me know if this helps

Harman [31]3 years ago
4 0

Answer:

Your answer is 4

Step-by-step explanation:

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1. Solve the system by using a table. 3y=4x+7 , -4x-4y=28. These are the possible solutions: A) (–4, –3), B) (–3, –4), C) (4, 3)
melisa1 [442]
<span>The first question:
3y=4x+7            (1)
-4x-4y=28          (2)

Let's plug in x = -4, -3, 3, and 4 and see the y-values :)

I have attached the table since it's hard to make a table with text :P
As you can see, when x = -4, that is when the y-values are equal. That means that is the solution to the system of equations. Your answer is A) (-4, -3).

The second question:
</span><span>-3x-y=-10    (1)
4x-4y=8       (2)
</span>
When you graph both equations, you will see that they intersect at D) (3, 1).

The third question:
We need to find the lines for revenues and expenses. 
To find the line for revenues, make months the x-value and revenues the y-values. And find the equation. You should get y = 4,100x + 300.
To find the line for expenses, make months the x-value and expenses the y-values. And find the equation. You should get y = 1,900x + 19,990.

Now graph both solutions and see where they intersect. They intersect at approximately (8.95, 36995)

That would be during the month of C) August.

4 0
3 years ago
Read 2 more answers
Student scientific calculator 3×10^5 is displayed as 3 EE 5 in that case how was the panic of 80,000 and 5000 be displayed on Th
faltersainse [42]
Hello,
We know that
3×10^5= 3 EE 5
Change 80,000 to the scientific notation
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Doing the same like 3×10^5, I can get 8 EE 4
Change 5000 to the scientific notation
5×10^3
Then it will appeared as 5 EE 3. Hope it help!
4 0
3 years ago
SO basically uhh I suck at math
postnew [5]
Ok so you plug them in. -5 squared is 25 minus 27
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Expression in simplest form
SashulF [63]

Answer:

 -x^{3} -9x^{2}

Step-by-step explanation:

I think.

Pls give Brainliest.

6 0
2 years ago
Rachel has 90p. Simon has £2.
natulia [17]

Answer:

9:20 is the answers for the question

Step-by-step explanation:

please tell me your

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3 years ago
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