10,000-80 what does it equal?

Answers

Answer 1

Answer: 10000
- 80
________
9920

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one year ago, a man was 8 times as old as his son. Now his age is equal to the square of his son' age. Find their present ages.

Answers

First of all, we know that the man's age was divisible by 8 one year ago. So, let's list a few numbers that are divisible by 8, and work from there.

8, 16, 24, 32, 40, 48, 56, 72, 80, 88, 96 are all divisible by 8.

We also know that his current age is the square of his son's age. So we can check the numbers that follow the multiples of eight to see if they'll work.

The subsequent numbers, in order, are

9, 17, 25, 33, 41, 49, 57, 73, 81, 89, 97

Now, let's list which ones are squares, meaning a number multiplied by itself is equal to anther number.

9 is the square of 3
25 is the square of 5
49 is the square of 7
81 is the square of 9

Only these four will work, but right now, ANY of these four will work. Let's use a little science to narrow it down.

It is scientifically improbable for a 9-year-old to have a 3-year-old son, so we'll rule that one out. It's also highly unlikely that an 81-year-old has a 9-year-old son, so we'll cross that off the list, as well.

This leaves a 25-year-old man with a 5-year-old son, and a 49-year-old man with a 7-year-old son, both of which are most likely.

At this point, you can choose whichever you'd like, or put down both as the answer.

The man and his son's present ages are either 25 and 5, or 49 and 7.

Simonne used the following steps to simplify the given expression.12 minus 3 (negative 2 x + 4)

Step 1: 12 + (negative 3) (negative 2 x) + (negative 3) (4)
Step 2: 12 + 6 x + (negative 12)
Step 3: 12 + (negative 12) + 6 x
Step 4: 0 + 6 x
Step 5: 6 x

What property of real numbers was used to transition from step 3 to step 4?
identity property of addition
inverse property of addition
associative property of addition
commutative property of addition

Answers

The property of real numbers that was used to transition from step 3 to step 4 is the identity property of addition.

The steps to simplify the given expression are as follows:

12 - 3 (-2 x + 4)

Step 1: 12 + (-3) (-2 x) + (-3) (4)

Step 2: 12 + 6x + (-12)

Step 3: 12 + (-12) + 6 x

Step 4: 0 + 6 x

Step 5: 6 x

As we know that the identity property of addition states that adding zero to any number does not change the value of that number.

In step 3, we have 12 + (-12), which is equivalent to adding zero to 12.

Therefore, the property used in this transition is the identity property of addition.

Learn more about the identity property of addition here:

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Answer:

Inverse property of addition

Step-by-step explanation:

The purpose of the inverse property of addition is to get a result of zero. The purpose of the inverse property of multiplication is to get a result of 1. We use inverse properties to solve equations. Inverse Property of Addition says that any number added to its opposite will equal zero.

Write 5.2 as the quostion of two intergers

Answers

5.2 written as the quotient of 2 integers is the same as 26/5

5.2 can be any one of these quotients:

52 ÷ 10

26 ÷ 5

104 ÷ 20

442 ÷ 85

There are millions of other, different possibilities too.

What property of an even function do you see in this graph?

Answers

The required property of the even function that is seen in the graph is f(-x) = f(x).

What are functions?

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

here,
In the given graph,
The domain of the function is (-∞, ∞),
While the range is all positive real numbers, that implies that the function does not have negative real value, So the function shows that property as,
for all x, f(x) is positive real number,
So,
f(x) = f(-x)

Thus, the required property of the even function that is seen in the graph is f(-x) = f(x).

Learn more about function here:

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The property there is:

f(x) = f(-x).

The value of the function at x values is the same as the value of the function of -x values.

. If Gene gets two more strikes (scores of 10), what is his new average?