MATHEMATICS HIGH SCHOOL

Examples of whole numbers

Answers

Answer 1

Answer:

Whole numbers are numbers that begin with 0 and go on indefinitely.

Examples of whole numbers.

642,000

983

1,000,001

982,344

Answer 2

Answer: Whole numbers is the set of all counting numbers plus zero.
For exemple: 1, 2, 3, 10, 123, 654, 9988, 10100, 1234567890.

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How many years from 1848-2015

Answers

167 years. You can get this by subtracting 2015 by 1848.

I think it will be 167 years
2015-1848=167

Can anyone do question 25 part c? :)

Answers

$\begin{cases}x^3\qquad\qquad\ \ \ when\ x\geq3\n5\qquad\qquad\quad \ when\ 0\ \textless \ x\ \textless \ 3\nx^2-x+2\quad\ when\ x\leq0 \end{cases}\n\n\n (a)\n f(0)\iff x=0\implies f(x)=x^2-x+2\n\nf(0)=0^2-0+2=2\n\n(b)\n \{f(2)\iff x=2;\ \ f(1)\iff x=1\}\implies f(x)=5\n\n f(2)=5\quad\wedge\quad f(1)=5\n\n f(2)-f(1)=5-5=0$

$(c)\n \big\forall \limits_( n\in R)\ n^2\geq 0\ \ \Rightarrow\ \ \big\forall \limits_( n\in R)\ (-n^2)\leq 0 \ \ \Rightarrow\ \ x\leq0\ \ \Rightarrow\ \ f(x)=x^2-x+2\n\nf(-n^2)=(-n^2)^2-(-n^2)+2=n^4+n^2+2$

68/80 as a fraction,percent,and decimal

Answers

Fraction: 17/20
Divide by 4 to get 17/20
(68/4)/(80/20)

Percent: 85%
Using 17/20 -Multiply each side by 5 to get ____/100
17*5/20*5 = 85/100 or 85%

Decimal: 0.85
Using 85/100, divide it out to get 0.85.

Bob was thinking of a number between 5 and 15 that when squared and added to 23 equals the next number's square. What is the number?

Answers

The value of number will be;

⇒ 11

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Bob was thinking of a number between 5 and 15 that when squared and added to 23 equals the next number's square.

Now,

Let the value of number = x

Hence, We can formulate;

⇒ x² + 23 = (x + 1)²

Solve for x as;

⇒ x² + 23 = x² + 1 + 2x

⇒ x² - x² + 23 - 1 = 2x

⇒ 22 = 2x

⇒ x = 22/2

⇒ x = 11

Thus, The value of number will be;

⇒ 11

Learn more about the mathematical expression visit:

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Answer:

Step-by-step explanation:

(11)² = 121

121+23 = 144

(12)² = 144

A painter built a ladder using 18 rungs. The rungs on the ladder were 5.7 inches apart and 1.1 inches thick. What is the distance from the bottom of the lowest rung to the top of the highest rung?

Answers

The distance from the bottom of the lowest rung to the top of the highest rung 116.7 inch

What is Unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Total rungs = 18

distance between rungs = 5.7 inch

thickness = 1.1 inches

So, the distance from the the lowest rung to top of highest rung is

=18* 5.7 + 17* 1.1

=116.7 inch

Learn more about unitary method here:

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18(1.1)+18(5.7)
18.8+102.6
121.4
The distance is 121.4 inches

A man walks 15 blocks to work every morning at a rate of 2 miles per hour. If there are20 blocks in a mile, how long does it take him to walk to work?

Answers

The answer to ur question is 45 min

Answer:

i really dont know lol

Step-by-step explanation:

2 yeras

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Mixed numbers and improper fractions are often the result of measurements or calculations. a. True b. False

The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?