Explain why One half of two equals one whole

Answers

Answer 1

Answer: Lay two pieces of candy on the table. Now, pick up half of what's on the table. What will you have in your hand? One piece of candy....

Now for the math.
"of" means to multiply so you have
(1/2) * (2) Make the 2 into a fraction by putting it over 1
(1/2)*(2/1)
Multiply the tops together and the bottoms together and reduce
2/2
1

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The function y=3.5x+2.8 represents the cost in y ( dollars ) of a taxi ride of x miles. You have enough money to travel at most 20 miles in the taxi. Find the domain and range of the function. I don't understand how to get both the domain and range at the same time.

Answers

Answer:

Step-by-step explanation:

The domain of a function is the set of elements for which the function is defined. In other words, the domain is the range of values of x for which the function exists, that is, it has a result.

"x" in this case represents the number of miles traveled by taxi. If the passenger has enough money to travel a maximum of 20 miles, the domain will be:

Domain = {0 ≤ x ≤ 20}

On the other hand, the image is the range of values of the function for which there is a value of x. In other words, it is the set of values of the variable "y" that is obtained when evaluating in the function all the possible values of x.

In this case the function "y" is evaluated at both ends to determine the range of variation of the image:

In x=0 → y=3.5*0 + 2.8 → y= 2.8

In x=20 → y=3.5*20 + 2.8 → y= 72.8

So,the range of the function is between $2.8 and $72.8

Range = {2.8 ≤ y ≤ 72.8}

I'm not sure I think the answer is 2.433 and 6.848) and 737383) but I'm not sure

Angelo knew that 64 = 8 × 8.Which expression also equals 64?

a. 9x7

b. 10x6

c.5x12

d.32x2

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the answer is D. 32 x 2= 64 hoped i help

What is 4/10 in simplest form

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Both the numerator and the denominator are divisible by 2.

(4/2)/(10/2) so the simplest form would then be 2/5

Your answer is: 2/5

it would be 2/5. hope this helps.

The value of y varies directly with the value of x, and y = –21 when x = 3.Which equations represent the relationship between y and x?

Choose exactly two answers that are correct.

A. -7x = y

B. y/x = -7

C. x/y = 7

D. xy = 7

Answers

$y=-21~~~~~x=3 \n \n a)-7x=-7*x\rightarrow-7*3=-21~~(\boxed{\checkmark})~~because~~\boxed{y=-21}\n \n b) (y)/(x) =-7~~~~~ \rightarrow (-21)/(3)=-7 ~~ (\boxed{\checkmark})$