A volunteer called 280 homes to ask questions about an upcoming election. Of these calls, 92 were not answered. Based on those results, what is the probability that the next call the volunteer makes is not answered?

Answers

Answer 1

Answer:

Hi there! :) The answer of your question is 0.32 or 32%. I got the answer because I divided 92/280=0.32. I hope this is the right answer.

Hope I helped! :D

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If the terminal ray of β lies in the fourth quadrant and sin (β) = -√3/3 determine cos(β) in simplest form.

Answers

Answer:

$cos(\beta)=(√(6))/(3)}$

Step-by-step explanation:

we know that

If the terminal ray of β lies in the fourth quadrant

then

sin (β) is negative and cos (β) is positive

Remember the trigonometric identity

$sin^2(\beta)+cos^2(\beta)=1$

we have

$sin(\beta)=-(√(3))/(3)$

substitute

$(-(√(3))/(3))^2+cos^2(\beta)=1$

$(3)/(9)+cos^2(\beta)=1$

$cos^2(\beta)=1-(3)/(9)$

$cos^2(\beta)=(6)/(9)$

apply root square both sides

$cos(\beta)=(√(6))/(3)}$

What is the ratio in a fraction form of 22:7

Answers

22/7. It's basically the same thing

Rewrite the equation 5x-8y+3=5x-7t+2 into general form (ax+by+c=0). A. x-1=0
B. x+1=0
C. y-1=0
D. y-3=0

Answers

I'm answering this assuming that you accidentally wrote 7t instead of 7y.

5x - 8y + 3 = 5x - 7y + 2

- (5x - 8y + 3) -(5x - 8y +3)

0 = y - 1 or y-1 = 0

The answer is C.

Hope I helped!

A pet store sold 63 Siamese cats. If the ratio of Siamese cats to house cats sold 7:5, what is the combined amount of cats sold?

Answers

108 cats total. 63 divided by 7 is 9, and 9 times 5 is 45. 45+63 is 108

Substitution: y-2x=-6 and 5x-y=9

Answers

y-2x=-6 and 5x-y=9

step 1: isolate y in the first equation

y = 2x - 6

step 2: substitute the y value on the 2th equation:

5x-(2x-6)=9

step 3: solve the present equation:

5x - 2x + 6 = 9
3x = 9-6
3x = 3
x = 1

step 4: get the y value by replacing the value of x in y = 2x - 6:

y = 2*1 - 6
y = 2 - 6
y = -4

S={1, -4}

$\left \{ {\big{y-2x=-6} \atop\big {5x-y=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-(2x-6)=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-2x+6=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ } \atop\big {3x=3\ /:3 }} \right. \n\n \left \{ {\big{y=2x-6 } \atop\big {x=1\ \ \ \ \ \ }} \right. \n\n \left \{ {\big{y=-4 } \atop\big {x=1\ }} \right. \n\n$

$Ans.\ \left \{ {\big{x=1} \atop\big {y=-4}} \right. \ \ \ \Rightarrow\ \ \ point:\ \ (1;-4)$

Least to greatest 3/4,7/12 or 5/6

Answers

The answer is 7/12,3/4,5/6

7/12,5/6,3/4 i think that this would be the answer

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