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3 years ago

15

The teacher decides that no student can win twice, so she removes the tickets of the first winner before drawing the second winn

er. What is the probability that she draws Kitzen first and then Ava second? Use a / to represent a fraction bar.

1 answer:

daser333 [38]3 years ago

6 0

Answer:

1/9

Step-by-step explanation:

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How do you ratify the denominator for 2/ 2(sqrt2)? When I multiply by sqrt2/sqrt 2 I'm still left with a radical in the denomina

asambeis [7]

Answer: $\dfrac{\sqrt{2}}{2}$

Step-by-step explanation:

Given

The fraction is $\dfrac{2}{2\sqrt{2}}$

Making denominator a number, multiply and divide by $\sqrt{2}$

$\Rightarrow \dfrac{2}{2\sqrt{2}}\times \dfrac{\sqrt{2}}{\sqrt{2}}\\\\\Rightarrow \dfrac{2\sqrt{2}}{2\sqrt{2}\times \sqrt{2}}=\dfrac{2\sqrt{2}}{2\sqrt{2\times 2}}\\\\\text{cancel out the common term 2}\\\\\Rightarrow \dfrac{\sqrt{2}}{2}$

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3 years ago

The high temperature, in F, for the past 4 days was 45, 38, 46, and 35. Carlos knows that the mean high temperature for the past

Natali [406]

The temperature is 46°F

Step-by-step explanation:

Given the temperatures in F for the past four days as: 45, 38, 46, 35

The mean for the five days is 42 °F

Find the total temperatures with the mean of 42 in 5 days. Perform multiplication

42*5= 210 ° F

Sum of temperature in 4 days is 45+38+46+35=164 °F

The temperatures for the first day will be : 210°F-164°F=46°F

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3 years ago

X + (-3) = -7<br> X=<br> Answer here<br> I

tatiyna

Answer:

$x=-4$

Step-by-step explanation:

$x-3=-7$

$x=-7+3$

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3 years ago

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HELP DUE IN 10 MINS! Use right triangle trig to solve for the missing angles. Round all answers to the nearest degree (whole num

pogonyaev

Answer:

relationship between base and perpendicular is given by tan angle

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tan?=5/16

?=tan-¹(5/16)=17.35=17

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Number 2 for question 1 and number 4 for question 2

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4 years ago