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8_murik_8 [283]
3 years ago
12

The sum of three consecutive odd integers is 81. what is the value of the largest integer?

Mathematics
2 answers:
Anni [7]3 years ago
5 0

Let the integers be as followed.

X

X + 2

X + 4

Now, we can set up an equation to solve.

X + X + 2 + X + 4 = 81

3x + 6 = 81

      -6    -6

      3x = 75

       X = 25

X = 25

X + 2 = 27

X + 4 = 29

Therefore, 29 is the largest integer.

RoseWind [281]3 years ago
4 0

I don't know how your teacher chooses to solve this problem (or your text) but I do it this way.

Divide 81 by 3. You get 27.

Use 27 as your middle integer and go one odd integer up and down for the other 2.

25, 27, 29

the largest would be 29.

This works because 3 of the middle number equals 81, so the middle number plus a number 2 greater and a number 2 less would still be the same as adding 3 of the same number.

Check by adding the 3 numbers.

25 + 27 + 29 = 81

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3 years ago
What’s the correct answer for this?
otez555 [7]

Answer:

0.7 + 0.4 - 0.2 = 0.9

Step-by-step explanation:

Let's denote the probabilities as following:

The probability that the show had animals is

P(A) = 0.7

The probability that the show aired more than 10 times is

P(B) = 0.4

The probability that the show had animals and aired more than 10 times is

P(A⋂B) = 0.2

The probability that a randomly selected show had animals or aired more than 10 times is P(A⋃B)

The correct form of  addition rule to determine the probability that a randomly selected show had animals or aired more than 10 times is:

P(A⋃B) = P(A) + P(B) - P(A⋂B) = 0.7 + 0.4 - 0.2 = 0.9

=> Option B is correct

Hope this helps!

7 0
3 years ago
Please help i really really need help
pishuonlain [190]

Answer:

B

Step-by-step explanation:

The second one!!!

3 0
3 years ago
Which has the greater area: a 6 6‐centimeter by 4 1 2 412‐centimeter rectangle or a square with a side that measures 5 5 centime
Morgarella [4.7K]

Answer:

The square with side 5 centimeters have a greater area.

Corrected question;

Which has the greater area: a 6‐centimeter by 4.12‐centimeter rectangle or a square with a side that measures 5 centimeters?

Step-by-step explanation:

The Area of a rectangle can be written as;

Area A = length × breadth

Given;

Length = 6 cm

Breadth = 4.12 cm

Substituting the values;

Area of rectangle = 6cm × 4.12cm = 24.72 cm^2

For the square;

Area of a square = length × length

Given;

Length = 5 cm

Substituting the values;

Area of the square = 5cm × 5cm = 25 cm^2

Since 25 cm^2 is greater than 24.72 cm^2

The square has a greater area.

4 0
4 years ago
Find the value of x so that (x, 12) satisfies y = 4x +4.
Elena L [17]
Plug in 12 for y and rewrite the equation.

12 = 4x + 4

Subtract 4 from both sides.

8 = 4x

Divide by 4 on both sides.

2 = x

The ordered pair is (2, 12) and x = 2.
3 0
3 years ago
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