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BigorU [14]
3 years ago
14

Find the pattern and identify the next 3 terms in the sequence5, -10, 20...​

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Answer:

-40, 80, -160

Step-by-step explanation:

5(-2)^n-1

where n is the position

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Tay recorded the number of imported cars that drove by his house during rush hour. He collected data for 5 working days. Taye’s
SCORPION-xisa [38]

Answer: D

Step-by-step explanation:

because

4 0
3 years ago
A recent survey suggests that 85% of college students have a job, 54% live on campus, and 42% have a job and live on campus. Wha
OLga [1]

\frac{97}{100} probability that a randomly chosen college student either has a job or lives on campus.

What is probability?

  • Probability is an area of mathematics that deals with numerical descriptions of how probable an event is to occur or how likely a statement is to be true.
  • The probability of an event is a number between 0 and 1, where 0 denotes the event's impossibility and 1 represents certainty.

To find the probability that a randomly chosen college student either has a job or lives on campus:

Given: 85% of college students have a job, 54% live on campus, and 42% have a job and live on campus.

So, out of 100 students, 42 students either has a job or live on campus.

43 college students have a job and 12  live on campus.

So, 43 + 42 + 12 = 85 + 54 - 42

85 + 12 = 139 - 42

97 = 97

Therefore, \frac{97}{100} probability that a randomly chosen college student either has a job or lives on campus.

Know more about probability here:

brainly.com/question/24756209

#SPJ4

3 0
2 years ago
How to solve this problem?
valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)

\displaystyle  \sum x_i^2=  20 \sum x_i  - 900

If 11 is the mean, the sum of the points is 9(11)=99.

\displaystyle  \sum x_i^2=  20 (99)  - 900 = 1080

Answer: 1080

6 0
3 years ago
Assuming boys and girls are equally​ likely, find the probability of a couple having a baby boy when their fifth child is​ born,
GREYUIT [131]

Answer: \dfrac{1}{2}

Step-by-step explanation:

If we assume that the boys and girls are equally​ likely, so the probability of having a girl is equal to probability of having a boy = \dfrac{1}{2} .

Let B = Event of having a boy.

G= Event of having a girl.

Since both events are independent of each other . (Events that do not depends on each other.)

So irrespective of the four baby boy , the probability that the fifth child is a boy = \dfrac{1}{2}

Therefore , the probability of a couple having a baby boy when their fifth child is​ born, given that the first four children were all boys= \dfrac{1}{2}

8 0
3 years ago
POSSIBLE POINTS: 1
Lana71 [14]

Answer: 40 questions

Step-by-step explanation:

set it up as an equation

38/x = 95/100

cross multiply

95x=3800

solve for x

x=40

7 0
3 years ago
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