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damaskus [11]
2 years ago
12

Questions:

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
4 0

1. An examples of a whole number that is not a natural number is zero (0)

2. A rational number that is not a whole number is 3/4

3. An example of a real number that is irrational is √2

4. Integers are sometimes whole numbers

5. Natural numbers are always rational numbers

6. Irrational numbers are never rational numbers

<h3>Numbers </h3>

From the question, we are to give examples of the given types of numbers

1.  Give an example of a whole number that is not a natural number.

An examples of a whole number that is not a natural number is zero (0)

2. Give an example of a rational number that is not a whole number.

A rational number that is not a whole number is 3/4

3. Give an example of a real number that is irrational

An example of a real number that is irrational is √2

4.  Are integers always/sometimes/never whole numbers?

Integers are sometimes whole numbers

5. Are natural numbers always/sometimes/never rational numbers?

Natural numbers are always rational numbers

6. Are irrational numbers always/sometimes/never rational numbers?

Irrational numbers are never rational numbers

Hence,

1. An examples of a whole number that is not a natural number is zero (0)

2. A rational number that is not a whole number is 3/4

3. An example of a real number that is irrational is √2

4. Integers are sometimes whole numbers

5. Natural numbers are always rational numbers

6. Irrational numbers are never rational numbers

Learn more on Numbers here; brainly.com/question/1852063

#SPJ1

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jonny [76]

Answer:

First space: 15

Second space: 20

Third space: 0

Fourth space: 20

Step-by-step explanation:

If the florist decrease x times the value of the bouquet by 1, the number of bouquets sold is 30 plus 3 times x, so we have that:

P(x) = (20 - x)*(30+3x)

P(x) = 600 +30x - 3x2

The vertical axis of the graph represents the profit P(x) of the florist.

So observing the graph, we can see that the maximum profit is 675, and occurs when the value of x is 5, that is, the price of the bouquet is 20 - 5*1 = $15

Looking again to the graph, we see that when x = 20 her profit is zero (the price of each bouquet will be 20 - 20*1 = 0)

The interval of x for which the florist have a positive profit (P(x) > 0) is between x = -10 and x = 20, but the florist cannot make a negative number of one-dollar decrease, so the lower number in the interval should be 0

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 10 the larger number is four times the smaller number this is the system of equations used to represen
Vladimir [108]

Answer:

The larger number is 8

Step-by-step explanation:

Let

x -----> the smaller number

y ----> the larger number

we know that

x+y=10

y=10-x -----> equation A

y=4x -----> equation B

Solve by substitution

substitute equation B in equation A and solve for x

4x=10-x

4x+x=10

5x=10

x=2

Find the value of y

y=4x-------> y=4(2)=8

therefore

The smaller number is 2 and the larger number is 8

4 0
3 years ago
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Solve h = - 16t2 + 36 for the time t in seconds it takes for the height h to reach 0. Apply the square root method.
qwelly [4]

Step-by-step explanation:

I'm not sure what the square root method is, but I'm assuming that you factor.

This is how I would solve it:

h =  - 16 {t}^{2}  + 36 \\ 0 =  - 16 {t}^{2}  + 36 \\ 0 =  - 4(4 {t}^{2}   -  9) \\ 0 = (2t - 3)(2t + 3) \\ t =  \frac{3}{2}  \\ t =  -  \frac{3}{2}

Since time can't be negative, you rule out the -3/2.

Answer:

t =  \frac{3}{2}

7 0
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Solve: 7a − 5 = 2(2a −13) A. 5/7 B. -31/3 C. -7 D. 7
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First, distribute the 2 on the right side of the equation so you get 4a-26. Then add 26 to both sides so you have 7a+21 =4a. Subtract 7a and get 21 = -3a. Divide by -3 and your final answer is -7.
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Answer: b I think

Step-by-step explanation:

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