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In-s [12.5K]
2 years ago
12

Find three consecutive odd integers whose sum is 495.

Mathematics
2 answers:
Lorico [155]2 years ago
8 0

The three consecutive odd numbers 163, 165, and 167 add up to 495.

What are consecutive numbers?

The term "consecutive number" refers to integers that are listed in a regular counting pattern. When listing consecutive integers in a sequence, there are no numbers omitted, hence the difference between them is always constant. Each succeeding integer has a difference of 1, which can be expressed as -4, -3, -2, -1, 0, 1, 2, 3, and so on.

What are consecutive odd numbers?

Consecutive odd numbers are odd integers that follow one another and are separated by 2 between them. The integers x + 2, x + 4, and x + 6 are also odd if the number x is odd.

Calculation:

To find the number, we will take an odd number, x, write its subsequent consecutive numbers, add them all up, and then equate them to 495. Then, the x equation is solved.

It has been stated that 495 is equivalent to the sum of three consecutive odd numbers.

Let x be the first odd number in a row.

The following phrase is thus x + 2 + 2 = x + 4, and the following sequence of odd integers becomes x + 2 after that.

The total of these three irregularly spaced-apart terms is now x + x + 2 + x + 4 = 3x + 6.

As stated in the statement,

3x + 6 = 495

3x=489

x=163

⇒ Consequently, 163, 165, and 167 are the three consecutive odd numbers whose sum is 495.

Learn more about consecutive numbers here :

brainly.com/question/2493629

#SPJ9

dedylja [7]2 years ago
6 0

The three consecutive odd integers whose sum is 495 are 163, 165, and 167.

What are consecutive numbers?

⇒ Integers that are listed in a consistent counting pattern are referred to as consecutive integers. There are no numbers missed while listing consecutive integers in a sequence, so the difference between them is always fixed. The difference between each subsequent integer is 1, for instance, can be written as -4, -3, -2, -1, 0, 1, 2, 3, and so on.

What are consecutive odd integers?

⇒ Consecutive odd numbers are odd integers that are separated by 2 and come after one another. If the number x is odd, then the numbers x + 2, x + 4, and x + 6 are also odd.

Calculation:

We are going to take an odd number, x, write its subsequent consecutive numbers, add all of them together, then equate them to  495 to find the number. The equation for x is then resolved.

We have been given that the sum of 3 consecutive odd numbers is equal to 495.

Let the first consecutive odd integer is x.

⇒ Then the next consecutive odd integers becomes x + 2 and the next term becomes x + 2 + 2 = x + 4.

Now the sum of these three odd consecutive terms = x + x + 2 + x + 4 = 3x + 6.

According to the given,

3x + 6 = 495

3x=489

x=163

⇒ Hence, the three consecutive odd integers whose sum is 495 are 163, 165, and 167.

Learn more about consecutive numbers here: brainly.com/question/10853762

#SPJ9

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Step-by-step explanation:

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3 years ago
Please help! see attached
nikdorinn [45]

Answer:

  1. The lowest value of the confidence interval is 0.5262 or 52.62%
  2. The highest value of the confidence interval is 0.5538 or 55.38%

Step-by-step explanation:

Here you estimate the proportion of people in the population that said did not have children under 18 living at home.It can also be given as a percentage.

The general expression to apply here is;

C.I=p+-z*\sqrt{\frac{p(1-p)}{n} }

where ;

p=sample proportion

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z*=value of z* from the standard normal distribution for 95% confidence level

Given;

n=5000

<u>Find p</u>

From the question 54% of people chosen said they did not have children under 18 living at home

\frac{54}{100} *5000 = 2700\\\\p=\frac{2700}{5000} =0.54

<u>To calculate the 95% confidence interval, follow the steps below;</u>

  • Find the value of z* from the z*-value table

The value of z* from the table is 1.96

  • calculate the sample proportion p

The value of p=0.54 as calculated above

  • Find p(1-p)

0.54(1-0.54)=0.2484

  • Find p(1-p)/n

Divide the value of p(1-p) with the sample size, n

\frac{0.2448}{5000} =0.00004968

  • Find the square-root of p(1-p)/n

=\sqrt{0.00004968} =0.007048

  • Find the margin of error

Here multiply the square-root of p(1-p)/n by the z*

=0.007048*1.96=0.0138

The 95% confidence interval for the lower end value is p-margin of error

=0.54-0.0138=0.5262

The 95% confidence interval for the upper end value is p+margin of error

0.54+0.0138=0.5538

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Answer:

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Step-by-step explanation:

2(5-6n)=10n-166

1) Distribute the 2 to 5 and -6n:

10-12n=10n-166

2) Add 166 to both sides:

176-12n=10n

3) Add 12n to both sides:

176=22n

4) Divide both sides by 22:

n=8

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