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Wewaii [24]
3 years ago
9

Robert is 3 years less than half his brothers age.Robert is thirteen years old. How old is his brother?

Mathematics
2 answers:
Law Incorporation [45]3 years ago
8 0

Answer:

91/2

Step-by-step explanation:


anygoal [31]3 years ago
5 0

Answer:

32

Step-by-step explanation:

13 + 3 = 16 x 2 = 32

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What is the volume of a cylinder with a base area of 10 units2 and a
katrin2010 [14]

Answer:

70 units³

Step-by-step explanation:

Volume = Area × Height

=10×7

=70

6 0
2 years ago
Select the correct answer from each drop-down menu.
Anit [1.1K]

Answer:

  • 3^x
  • 9, 15, 33, 87, 249
  • (4, 87) for example

Step-by-step explanation:

a) First differences of the f(x) values in the table are ...

  19 -13 = 6, 37 -19 = 18, 91 -37 = 54, 253 -91 = 162

The second differences are not constant:

  18 -6 = 12, 54 -18 = 36, 162 -54 = 108

But, we notice that both the first and second differences have a common ratio. This is characteristic of an exponential function. The common ratio is 18/6 = 3, so the parent function is 3^x.

__

b) Translating a function down 4 units subtracts 4 from each y-value. The values of f(x) in the table would be ...

  9, 15, 33, 87, 249

__

c) The x-values of the function stay the same for a vertical translation, so the points in the table of the transformed function are ...

  (x, f(x)) = (1, 9), (2, 15), (3, 33), (4, 87), (5, 249)

8 0
3 years ago
Which of the follow is true about it
nikdorinn [45]
I think it’s the second option
6 0
2 years ago
Read 2 more answers
The data below represent the number of days absent per year in a population of three employees of a small company:
love history [14]

The sampling distribution is illustrated below.

<h3>How to illustrate the sampling?</h3>

Based on the information given, the population is illustrated as 1, 4, 7. The sample without replacement will be:

<u>Sample Mean</u>

1 and 4. 2.5

1 and 7. 4

4 and 7. 5.5

The population mean will be:

= (1 + 4 + 7)/3

= 4

The sample mean is an unbiased estimator of the population mean.

The sampling with replacement illustrates that the mean will be:

= 36/9 = 4

Also, when n = 3, the number of samples will be:

= 3³ = 27

Learn more about sampling on:

brainly.com/question/17831271

#SPJ1

8 0
2 years ago
The sum of the sequence of 685+678+671+664+...+6
lukranit [14]

Answer:

Sum of the sequence (Sn) = 33,859

Step-by-step explanation:

Given:

Sequence = 685+678+671+664+...+6

Find:

Sum of the sequence (Sn)

Computation:

a = 685

d = 678 - 985 = -7

an = 6

an = a+(n-1)d

6 = 685+(n-1)(-7)

-679 = (n-1)(-7)

97 = n-1

n = 98

So,

Sum of the sequence (Sn) = (n/2)[a+an]

Sum of the sequence (Sn) = (98/2)[685+6]

Sum of the sequence (Sn) = (49)(691)

Sum of the sequence (Sn) = 33,859

3 0
3 years ago
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