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Alisiya [41]
4 years ago
11

What method would you choose to solve the equation 2x2 – 7 = 9? Explain why you chose this method. 

Mathematics
2 answers:
horsena [70]4 years ago
7 0

Answer:

I would use the square root property of equality. Because there is no x term, I would just add and divide to get x2 by itself. Then I would take the square root.

lisabon 2012 [21]4 years ago
4 0

is that a variable of x or a multiplication sign?

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AB←→||CD←→. Find the measure of ∠BFG.
Colt1911 [192]

Answer:

Value of ∠ BFG = 135°

Step-by-step explanation:

Given:

AB || CD

∠ AFG = (3x + 15)°

∠ FGD = (5x - 5)°

Find:

∠ BFG

Computation:

We know that;

∠ AFG = ∠ FGD

3x + 15 = 5x - 5

3x - 5x = - 5 - 15

- 2x = - 20

2x = 20

x = 10

Value of ∠ AFG = 3x + 15

Value of ∠ AFG = 3(10) + 15

Value of ∠ AFG = 45°

∠ BFG = 180° - Value of ∠ AFG

∠ BFG = 180° - 45°

∠ BFG = 135°

Value of ∠ BFG = 135°

8 0
3 years ago
Please help me and show me the steps
Keith_Richards [23]
I believe the answer is 84x.
1. Combine the like terms which is 4x, 8x, and 8x.
2. Add them and you’ll get 84x.
3 0
3 years ago
Can someone help please?
deff fn [24]
Slope = 75
Y-intercept = 150
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What is the constant proportionality of 3 cans and 9 balls
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The constant proportionality is whats left over
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Describe three different substitutuion method
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