MATHEMATICS HIGH SCHOOL

I need helps please and ty​
I need helps please and ty​ - 1

Answers

Answer 1
Answer:

Answer:

y=7x+4

Step-by-step explanation:

Values of x and y satisfy the equation y=7x+4

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Find the value of x.
Can you show how to do 67,000 rounded to the nearest ten thousand on a number line.
Simplify the expression. -14 x 8 x 1/4 + (-22) a. –50 b. –138 c. –470 d. –6
Don't know how to do the math
The relationship between the number of hours and the number of miles Sam has driven is proportional. (1, 30) is a point on this graph, where x is the number of hours and y is the number of miles. What is true about this situation?

Lexie worked for 5 hours and 30 minutes. How should she write it on her time card? A. 5.25 B. 5.3 C. 5.5 D. 5.75

Answers

C. Wich mean she worked 5 hours and half an hour (0.5)
the answer is 5.5 because she worked half an hour which .5 is half of one so... 

Find the complex number to solve the equation: 9(2-4i) - 6(x+yi) = 14-3iPlease solve and explain in detail.

Answers

9(2-4i)-6(x+yi)=14-3i\n18-36i-6x-6yi=14-3i\n-6x-6yi=-4+33i\n-6x=-4 \wedge -6y=33\nx=(4)/(6) \wedge y=-(33)/(6)\nx=(2)/(3) \wedge y=-(11)/(2)\n\n\boxed{x+yi=(2)/(3)-(11)/(2)i}

A company that translates books between various languages is currently testing a​ computer-based translation service. The founder of the company expects the computer program to make some​ errors, but then so do human translators. The computer error rate is supposed to be an average of 2 per 500 words of translation. Suppose the company founder randomly selects a ​3,000-word passage. Assume that the Poisson distribution applies and that the computer error rate is actually 2 errors per 500 words. Complete parts a through c.a. Determine the probability that no errors will be found.
The probability is ___. Round to four decimal places as​ needed.)

b. Calculate the probability that more than 30 errors will be found.
The probability is ___. ​(Round to four decimal places as​ needed.)

c. Find the probability that fewer than 15 errors will be found.
The probability is ___. ​(Round to four decimal places as​ needed.)

Answers

The probability that noerrors will be found is 0.

The probability of finding more than 30 errors is 0.0001.

The probability of finding fewer than 15 errors is 0.9452.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

Example:

The probability of getting a head in tossing a coin.

P(H) = 1/2

We have,

The number of errors in a 3,000-word passage follows a Poisson distribution with a mean of 12 errors.

i.e

Since 3,000 is six times 500.

a)

The probability that no errors will be found.

P(X = 0) = e^(-12) x 12^0 / 0!

= 0.000006

Rounded to four decimal places.

= 0.0000.

b)

The probability of finding more than 30 errors.

P(X > 30) = 1 - P(X ≤ 30)

We can use a Poisson table.

P(X ≤ 30) = 0.9999.

P(X > 30) = 1 - 0.9999

= 0.0001

Rounded to four decimal places.

= 0.0001.

c)

The probability of finding fewer than 15 errors.

P(X < 15) = P(X <= 14)

= ∑(k=0 to 14) e^(-12) x 12^k / k!

From the Poissontable.

P(X ≤ 14) = 0.9452

P(X < 15) = P(X ≤ 14)

= 0.9452

Rounded to four decimal places.

= 0.9452.

Thus,

The probability that no errors will be found is 0.

The probability of finding more than 30 errors is 0.0001.

The probability of finding fewer than 15 errors is 0.9452.

Learn more about probability here:

brainly.com/question/14099682

#SPJ2

Step-by-step explanation:

this is the answer of this question

Q 30 Adam and his dad share the cost of the meal in the ratio of 2:3. Adams dad payed £52.20. What is the total cost of the meal.

Answers

Well, a ratio can be like a fraction. So, we find 2/3 of 52.2 which is 34.8.So, the sum is
34.8+52.2=87
Hope it Helps. :)

EXTRA CREDIT MATH HELP!!! (2/6)

Answers

6.75x-9

2.25x-3(3) is how you set this up to calculate perimeter.
the answer is 6.75x-9

plz mark brainliest

What adds up to 2 and multiplies to 9?what adds up to 6 and multiplies to 7?
what adds up to 2 and multiplies to 7

Answers

1. 1 (1 + 1 = 2 / 1 x 9 = 9)
2. 1 (1+ 6 = 6 / 1x 7 = 7)
3.1 (1 + 1 = 2 / 1 x 7 =7)
yw XD

Answer:

1. 1 (1 + 1 = 2 / 1 x 9 = 9)

2. 1 (1+ 6 = 6 / 1x 7 = 7)

3.1 (1 + 1 = 2 / 1 x 7 =7)

yw XD

Step-by-step explanation:
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