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lana66690 [7]
3 years ago
8

What is the value of x? Show all of your work.

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0
What is the equation? I cannot solve for x if I do not have an equation to solve for.
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Express 3950000000 in scientific notation.
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The endpoints of CD are C(−2, 0) and D(4, 9).<br> The coordinates of the midpoint M of CD are?
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Answer:

<em>1, 4.5</em>

Step-by-step explanation:

for midpoint

x₁ = -2, y₁ = 0

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for midpoint

(x₁+x₂)/2 , (y₁+y₂)/2

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1, 4.5

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3 years ago
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Step-by-step explanation:

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3 years ago
(-x²+9) + (-3x²-11x+4)
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Step-by-step explanation:

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David and Josh are both practicing for an upcoming swim tournament. Every week, David swims for 3x hours at an average speed of
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