Can someone please explain what I have to do?

Mathematics

1 answer:

weeeeeb [17]3 years ago

3 0

You have to find out 300 or less customers per day

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What is the distance in units between (−11, −20) and (−11, 5)

Morgarella [4.7K]

Distance = √(x₂-x₁)² + (y₂-y₁)²
d = √(-11-(-11)) + (5-(-20))²
d = √0² + 25²
d = √625
d = 25

In short, Your Answer would be 25 units

Hope this helps!

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4 years ago

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1. Multiply 5.4(-0.42)

Art [367]

Is A -2.268 did you actually multiply? Is easy

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3 years ago

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A form of radium decays exponentially with a half-life of 20 years. This means that 50% will be gone every 20 years. A human can

IrinaVladis [17]

<h2>✔Answer</h2>

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3 years ago

Solve this equation using an algebraic method: (x + 4)( x - 4) = 9

Luden [163]

Perform indicated operations on left side

x*x+4x+4x+4*4=9

x^2+4x+4x+16=9 combine like terms on left side

x^2+8x+16=9 subtract 9 from both sides

x^2+8x+7=0 factor

x^2+x+7x+7=0

x(x+1)+7(x+1)=0

(x+7)(x+1)=0

x=-1, -7

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3 years ago

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Can someone please help me with this.<br> I'm not good with graphs

Vlad1618 [11]

Answer:

∠BCD = 34°

Step-by-step explanation:

∠FCE + ∠FCA + ∠ACB = 180° ( straight angle ), thus

∠FCE + 90 + 56 = 180, that is

∠FCE + 146 = 180 ( subtract 146 from both sides )

∠FCE = 34°, hence

∠BCD = ∠FCE = 34° ( vertical angles )

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3 years ago