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Svetllana [295]
3 years ago
8

Parallel lines e and f are cut by transversal b. What is the value of y?

Mathematics
1 answer:
tatyana61 [14]3 years ago
6 0

Answer:

y = 130

Step-by-step explanation:

Those two exterior angles are equal (property of parallel lines)

y is thsupplement of 4x - 14

2x + 18 = 4x - 14                     Add 14 to both sides

2x + 18 + 14 = 4x - 14 + 14      Combine like terms

2x + 32 = 4x                           Subtract 2x from both sides

2x-2x+32=42-2x                    Combine

32 = 2x                                   Divide by 2

32/2 = x

16 = x

============

4x - 14 =64 - 14 = 50

y = 180 - 50

y = 130

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3 years ago
A cheetah can run 70 mph. What is this speed in feet per hour
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I need help with this question
nata0808 [166]

I don't know if you've learnt this, but there's something called the KFC rule (you use it when dividing fractions), so k basically stands for keep (so you keep the first fraction), f stands for flip (so you flip the second fraction) and c stand for change (you change the division sign to a multiplication sign)

So you get

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5 0
3 years ago
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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.
barxatty [35]

Answer:

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we compare the given quadratic equation with general quadratic equation

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Now, substituting the values we will get

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x^2+bx=c

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3 years ago
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