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Svetradugi [14.3K]
2 years ago
14

6th grade math :) only 3 questions

Mathematics
1 answer:
Studentka2010 [4]2 years ago
4 0

Answer:

1.30%

2. 30 questions

3. 60%

Step-by-step explanation:

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Solve the system of equations and choose the correct ordered pair.
frez [133]
What I would do:

5x + 10y = 35

Divide everything by 5.

x + 2y = 7

x = 7 - 2y

Now plug "x" into either one of the equations.

2(7-2y) + 5y = 15

14 - 4y + 5y = 15

14 + y = 15

y = 1

Now, solve for x by plugging in y into either one of the equations.

2x + 5y = 15

2x + 5 =15

2x = 10

x = 5

So x is 5 and y is 1.

Check by plugging in the values into the other equation.

5x + 10y = 35

5(5) + 10(1) = 35

25 + 10 = 35

35 = 35

The values are correct so, the answer for this problem is B (5, 1).
3 0
3 years ago
How do you solve the equation 3w-(-4)=8-w
Anit [1.1K]
3w-(-4)=8-w
4w+4=8
4w=4
w=1
8 0
3 years ago
Which equation is the inverse of y = 100 – x2?
sdas [7]

Answer:

1

Step-by-step explanation:

\tt\displaystyle y = 100 - x^2\to\{y = x\}\\\\x = 100 - y^2\to\\\\y^2 = 100 - x\to\\\\y = \pm\sqrt{100 - x}

8 0
3 years ago
What is the location of the ordered pair (-3,2) on the coordinate plane
inn [45]
You have to go 3 squares to the left (staying in the x coordinate of 0) and after that you go 2 squares up. Hope this helps. :)
7 0
3 years ago
Read 2 more answers
What value do we need to complete the equation?
Sloan [31]

Answer:

h/2

Step-by-step explanation:

3 0
2 years ago
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