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garri49 [273]
3 years ago
11

If you hade to use Algebar tiles to do the charge method subtraction and you problème is -9 - (-2)

Mathematics
2 answers:
Bas_tet [7]3 years ago
7 0

Answer:

-7

Step-by-step explanation:

Well the subtraction problem is now going to be a adding and the (-2) is now positive 2 so I'm thinking the answere is -7

gizmo_the_mogwai [7]3 years ago
6 0

Answer:

-9 - (-2)= -7

Step-by-step explanation:

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skad [1K]
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7 0
3 years ago
Help please ASAP thank you
jonny [76]

<u>Question 1</u>

If we let FE=x, then DE=x-5.

Also, as \overline{DF} bisects \overline{BC}, this means BE=EC=6.

Thus, by the intersecting chords theorem,

6(6)=x(x-5)\\\\36=x^2 - 5x\\\\x^2 - 5x-36=0\\\\(x-9)(x+4)=0\\\\x=-4, 9

However, as distance must be positive, we only consider the positive case, meaning FE=9

<u>Question 2</u>

If we let CE=x, then because AB bisects CD, CE=ED=x.

We also know that since FB=17, the radius of the circle is 17. So, this means that the diameter is 34, and as AE=2, thus means EB=32.

By the intersecting chords theorem,

2(32)=x^2\\\\64=x^2\\\\x=-8, 8

However, as distance must be positive, we only consider the positive case, meaning CE=8

4 0
2 years ago
Solve each system of equations algebraically y= x-6 y= 2x
lbvjy [14]

Answer: x = -6

Step-by-step explanation: The problem gave us the y value, so we can just substitute it into the equation and solve it.

y = x - 6

y = 2x

2x = x - 6 (substitute the y value into the equation)

1x = -6 (subtract x on each side)

x = -6 (1x is basically saying x so you do not need to divide)

3 0
3 years ago
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galina1969 [7]
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3 years ago
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SpyIntel [72]

I can help!! But could you tell me what the equations are?

6 0
3 years ago
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