Name a number that is a rational number, but not an integer.
Justify your response.

Answers

Answer 1

Answer:
3.1416 is a rational number.

It can be written as 31,416 / 10,000 .

Since you can write it as a fraction with whole numbers, it's rational.
That's actually the definition of a rational number.

==> ANY number that you can write down completely
using digits is a rational number !

Answer 2

Answer: 2.5 because rational numbers can be written as fractions, but integers written as fractions have to be able to be written over 1. For example 3 is an integer because 3 = 3/1. But 2.5 isn't an integer because 2.5 = 5/2.

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$6 * x = - 24$
What is the missing number?

Answers

The missing number is 4

The surface area of this sphere is 1,519.76 square feet. What is the volume of this sphere?Use ग ≈ 3.14 and round your answer to the nearest hundredth.

Answers

Answer: 5572.45 cubic feet

Work Shown:

Use the surface area to determine the radius.

SA = 4*pi*r^2

1519.76 = 4*3.14*r^2

1519.76 = 12.56*r^2

r^2 = 1519.76/12.56

r^2 = 121

r = sqrt(121)

r = 11

The radius of the sphere is 11 feet.

Now we can determine the volume of the sphere.

V = (4/3)*pi*r^3

V = (4/3)*3.14*11^3

V = 5572.45333333333

V = 5572.45

The volume of the sphere is approximately 5572.45 cubic feet.

The result is approximate because pi = 3.14 is approximate.

Recall, $\pi$ is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, $\pi$ =c/d. This seems to contradict the fact that $\pi$ is irrational. How will you resolve this contradiction?

Answers

Though $\pi$ = $(c)/(d)$ , it is an approximate value. As we get an approximate value and not a fixed one, there is no contradiction. Mathematically,
$(c)/(d)$ = $(2 \pi r)/(2r)$ = $\pi$ .
Hence, no contradiction.

Yes, it is true that π = c / d . However, note here that c or the circumference is known by the equation c = 2πr. In finding the circumference, we take value of pi approximately, and hence there is no contradiction. However, even if the circumference is accurate, it will be an irrational number. Recall that an irrational number operated in any way results again into an irrational number.

Really need help!

What is the value of h(3)?

–2
–1
1
2

Answers

I believe the answer is -1

cassidy loves black and yellow jelly beans she noticed when she was counting them that she had 7 less than three times as many black jelly beans as she had yellot jelly beans in total she counted 225 jelly beans how many black jelly beans did she have?

Answers

Most of the information's are already given in the question. It is important to understand the language of the problem for solving the problem. Once the language is understood, then solving the problem is easy.
Let us assume the number of black jelly beans = x
Number of yellow jelly beans = y
Then from the question we can get to a equation.
3x - 7 = y
We also know from the question that
x + y = 225
x + 3x -7 = 225
4x = 225 + 7
4x = 232
x = 232/4
= 58
So Cassidy has 58 black jelly beans out of the total of 225 jelly beans

Karen and Daryl work for a delivery service. Karen made 15 more deliveries than Daryl. If Daryl made d deliveries, which expression represents the number of deliveries Karen made?a. d divided by 15B. 15 + dC. 15 • dD. d- 15

Answers

Given : Karen and Daryl work for a delivery service.Karen made 15 more deliveries than Daryl. Let d be the deliveries made by Daryl .We need to find the expression that represents the number of deliveries Karen made

Karen made 15 more deliveries than Daryl. The mathematical symbol for more than is addition or + sign .

15 more than d can be represented by 15+d.

Option B. 15 + d is the right answer.

The answer is B 15+d

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