MATHEMATICS HIGH SCHOOL

PLZ HELP, GIVING BRAINLIEST!! Which of these choices are equivalent to the expression i^85? a. i^7 b. i^26 c. i^41 d. i^99

Answers

Answer 1
Answer:

Answer:

I think the answer is a.i^7

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Write the quadratic function in vertex form.y = x^2 - 6x + 7
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Solve the equation. If necessary, round your answer to the nearest tenth.x2 = 196 A. 14 B. –14, 14 C. 98 D. –98, 98

You have 26 cards, each labeled with a letter of the alphabet. What is the probability of drawing a card that contains one of the letters in the word 'MATH'?A)
1
676

B)
2
13

C)
2
26

D)
3
26

Answers

The probability of drawing a card that contains one of the letters in the word 'MATH' is 2 / 13. The correct option is B.

What is the probability?

Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Probability = Number of favourable outcomes / Number of samples

Given that you have 26 cards, each labelled with a letter of the alphabet.

The probability of drawing a card that contains one of the letters in the word 'MATH' is calculated as:-

Probability = Number of favourable outcomes / Number of samples

Probability = 4 / 26

Probability = 2 / 13

Therefore, the probability of drawing a card that contains one of the letters in the word 'MATH' is 2 / 13. The correct option is B.

To know more about probability follow

brainly.com/question/24756209

#SPJ6
B) 2 13 because there are 4 letters in the word "math" meaning 4 probabilities af drawing one of those cards. 4/26 is simplified to 2/13

Find the mode for the set of data. 70, 80, 50, 30, 40, 50, 90, 80, 50

Answers

Mode: 50 also could be 80 because there's two of them

if needed:
Mean: (70+80+50+30+40+50+90+80+50)÷9 = 60

Median: would be the last 50.
30, 40, 50, 50, 50, 70, 80, 80, 90.

Range: 90 - 30 = 60

Answer:

Mode:80

Step-by-step explanation:

Your welcome for the answer pls mark brainliest ifcorrect

What is the y-intercept of the function f(x) = -2/9x + 1/3​

Answers

Answer:

y-intercept = 1/3

Step-by-step explanation:

f(x) = mx + c

f(x) = - (2)/(9) x + (1)/(3)

c = y-intercept

y-intercept= 1/3

Hello! :)

To find the y-intercept, substitute 0 for x-intercept then you will get the y-intercept.

(0,1/3) y-intercept

Hope this helped you!

THEDIPER

Work out 3/4 - 1/6
Give the answer in the simplest form

Answers

(3)/(4)-(1)/(6)=(3 * 3)/(4 * 3)-(1 * 2)/(6 * 2)=(9)/(12)-(2)/(12)=(9-2)/(12)=(7)/(12)
(3)/(4)- (1)/(6) = (3\cdot3)/(4\cdot3) - (1\cdot2)/(6\cdot2) = (9-2)/(12) [tex]= \boxed {(7)/(12) }

Evaluate the summation of 20 times 0.5 to the n minus 1 power, from n equals 3 to 12.

Answers

Answer:

The sum of the series is 9.99

Step-by-step explanation:

We are given the series \sum_(n=3)^(12)20(0.5)^(n-1).

So, a_(n)=20(0.5)^(n-1), where n=3 to 12

Then, we have,

1.\ a_(3)=20(0.5)^(3-1)\na_(3)=20(0.5)^(2)\na_(3)=5

2.\ a_(4)=20(0.5)^(4-1)\na_(4)=20(0.5)^(3)\na_(4)=2.5

Thus, the common ratio is r=(2.5)/(5)=0.5

Since, the sum of first n terms of a series is S=(a_(1)(1-r^(n)))/(1-r).

As n = 3 to 12, then the number of terms = 10, first term=a₃= 5 and r= 0.5

So, the sum of 10 terms is S=(5(1-(0.5)^(10)))/(1-0.5)

i.e. S=(5(1-0.00098))/(0.5)

i.e. S=(5* 0.99902)/(0.5)

i.e. S=(4.9951)/(0.5)

i.e. S = 9.99

Hence, the sum of the series is 9.99

Answer: 9.99

Step-by-step explanation:

I just took the quiz!

What is the answer? -5+(-4)=?

Answers

Answer:

Minus 9

Step-by-step explanation:
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