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Vedmedyk [2.9K]

2 years ago

6

Explain how you solved 42-16

1 answer:

Mkey [24]2 years ago

3 0

Answer:

26

Step-by-step explanation:

42-16=26 because Pi is a number - approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics. It is the circumference of any circle, divided by its diameter.

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Which of the following are true statements? Select all that apply.

Gennadij [26K]

Since sine and cosecant are reciprocals, when one has a maximum the other has a minimum and vice versa.

That's choices B & D

Not sure what the question at the end is asking; at 90 degrees and also at -90 degrees the values of sine and cosecant are equal.

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If sarah earns 12% commission on all her sales. in December her sales were $10,140. What’s her commission?

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2 years ago

Place 145 in the place value chart

Alexandra [31]

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Step-by-step explanation:

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3 years ago

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Substitute the values for a, b, and c into b2 – 4ac to determine the discriminant. Which quadratic equations will have two real

hoa [83]

Answer: $0=2x^2-7x-9\\0=4x^2-3x-1\\0=x^2-2x-8$

Step-by-step explanation:

We know that the standard quadratic equation is ax^2+bx+c=0

Let's compare all the given equation to it and , find discriminant.

1. a=2, b= -7, c=-9

$b^2-4ac=(-7)^2-4(2)(-9)=49+72>0$

So it has 2 real number solutions.

2. a=1, b=-4, c=4

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So it has only 1 real number solution.

3. a=4, b=-3, c=-1

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So it has 2 real number solutions.

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Thus it does not has real solutions.

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3 years ago

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What is the greatest common factor of 15 and 64

SCORPION-xisa [38]

15 = 3*5
64= 2*2*2*2*2*2

There are no common factors so the GCF is 1

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2 years ago