3 years ago

A b or c or d??? Who did it

Mathematics

2 answers:

AVprozaik [17]3 years ago

5 0

Answer:

is C maybe

Step-by-step explanation:

don't really know just picked

ruslelena [56]3 years ago

4 0

TAnswer: it should be A

Step-by-step explanation:

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Determine the value of x in the figure

olasank [31]

180-140=40 (complementary angle)
2z=40
Z=40/2
Z=20

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3 years ago

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If f(x)=x2-2x-8 and g(x)=1/4x-1 for which value of x is f(x)=g(x)

fomenos

$f(x)=x^2-2x-8;\ g(x)=\dfrac{1}{4}x-1\\\\f(x)=g(x)\iff x^2-2x-8=\dfrac{1}{4}x-1\qquad\text{multiply both sides by 4}\\\\4x^2-8x-32=x-4\qquad\text{subtract x from both sides}\\\\4x^2-9x-32=-4\qquad\text{add 4 to both sides}\\\\4x^2-9x-28=0\\\\4x^2-16x+7x-28=0\\\\4x(x-4)+7(x-4)=0\\\\(x-4)(4x+7)=0\iff x-4=0\ \vee\ 4x+7=0\\\\x=4\ \vee\ 4x=-7\\\\\boxed{x=4\ \vee\ x=-\dfrac{7}{4}}$

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3 years ago

Curves:<br>) x2 + y2 + 3x + 5y - 18 = 0 at (1, 2);

Sergeeva-Olga [200]

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3 years ago

What is 5 with eponenet of 2

kondaur [170]

Answer:

2^5 =32

25=2x2x2x2x2

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Step-by-step explanation:

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In September, a greeting card company's total profit was 22% less than it was in august. The total profit for the two months was

Trava [24]

Profit for August: x
Profit for September: x - 22%x
Total Profit for August & September: $689,000

x + x - 22% x = 689,000

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x = 689,000/1.78
x = 387,078.65

August Profits: $387,078.65
September Profits: 387,078.65 - (22%)(387,078.65) = 387,078.65 - 85,157.30 = 301,921.35

August Profits: $387,078.65

September Profits
$301,921.35

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