If a number is not a whole number then it is not a natural number

Answers

Answer 1

Answer: natural numbers are our counting numbers. the numbers we see in nature. you can count 1,2,3,4 flowers. or 1,2,3,4,5,6,7,8 pedals on the flowers. etc they are our positive integers

whole numbers are numbers that can be written as an integer. 4/2 6/3 etc

so if it cant be written as an integer, it cant be a positive integer

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3x+4y=2 4x-4y=12 elimination

Answers

3x+4y=2
+ 4x-4y=12 add them since 4y and -4y can cancel out
7x=14 divide each side by 7
x=2

3x+4y=2 x=2
3(2)+4y=2 substitute
6+4y=2
-6 -6
4y=-4 divide each side by 4
y=-1

3x+4y=2
4x-4y=12
Add both
7x=14
X=2
Substitute value of x in first equation
Y=-1

What is 1 1/2×2

show your work

Answers

1 1/2 as a improper fraction is 3/2

2 as a fraction is 2/1.

Multiply: 3/2×2/1=6/2.

Simpliy: 6/2=3.

Therefore, the answer is 3.

1 1/2 can be written as an improper fraction. To do this you multiply 1 by the denominator which is 2 and add it to the numerator which is 1 and then put the resulting number over the denominator.

1 times 2 is 2.
2+1 is 3.
We now put 3 over 2.
$(3)/(2)$

3 divided by 2 multiplied by 2 would cancel out the 2's so the resulting answer would be 3.

Or you can multiply them.
$(3)/(2)*(2)/(1)=(3*2)/(2*1)=(6)/(2)=3$

If a polynomial function f(x) has roots -9 and 7-i, what must be a factor of f(x)

Answers

Answer:

A. (x - (7 + i))

Step-by-step explanation:

Answer:

(x – (7 + i))

Step-by-step explanation:

option A

quinn is baking bread. The recipe calls for 3/4 cup of shortening. If he wants to make half batch of bread, how much shortening will he need?

Answers

Assuming that the recipe makes a full batch of bread, you would need half of what the recipe calls for the make half a batch of bread. half of 3/4 cup is 3/8 cup.

Final answer:

Quinn is making a half batch of bread and the original recipe calls for 3/4 cups of shortening. By cutting this amount in half, Quinn will need 3/8 cup of shortening for his half batch.

Explanation:

Quinn is making a half batch of bread, which means he needs to use a half of the amount of each ingredient from the original recipe. For the shortening, the original recipe calls for 3/4 cups. To figure out how much would be needed for a half batch, we would multiply the original amount by 1/2.

So, let's do the multiplication: (3/4) * (1/2) = 3/8. Therefore, for a half batch of bread, Quinn will need 3/8 cup of shortening.

Learn more about Proportions in Recipes here:

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Lu's math score on her achievement test in seventh grade was a 650. Her math teacher told her that her test score level went up by 25% from her sixth grade test score level. What was Lu's test score level in sixth grade? Show your work.

Answers

$x=Lu's\ grade\ in\ sixth\ grade. \n x* (125)/(100) =650 \n x=650* (100)/(125) \n x= ((650)(100))/(125) = (65000)/(125) \n \boxed{x=520}$

Use the graph of f(x) to evaluate the following:

Answers

Answer:

$\large\boxed{(1)/(2)}$

Step-by-step explanation:

$\text{The average rate of change of function}\ f(x)\n\text{over the interval}\ a\leq x\leq b\ \text{is given by this expression:}\n(f(b)-f(a))/(b-a).\n\n\text{Read from graph the values of function for}\ x=3\ \text{and}\ x=5.\n(look\ at\ the\ picture)\n\nf(3)=1,\ f(5)=2\n\n\text{Substitute:}\n\n(f(5)-f(3))/(5-3)=(2-1)/(2)=(1)/(2)$

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