Take away 0 from any number tell the rule you discovered

Answers

Answer 1

Answer: this is the fundamental zero additive rule
x - 0 = x
which means that for the set of real numbers, there exist a number such that if added (or subtracted) from any other will not affect such number.

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Which of the following graphs represents the function f(x) = −x2 − x + 6

Answers

Hope it helped :) ................

graph with 2 real zeros, down on left, down on right or answer B

What is 6n-8=16? Can someone tell me please

Answers

Answer: n = 4

Step-by-step explanation: To solve for n, we first isolate the term containing n which is 6n.

Since 8 is being subtracted from 6n,

we add 8 to both sides of the equation.

On the left, the -8 and +8 cancel out and on the right, 16 + 8 is 24.

So we have 6n = 24.

Now we can finish things off by just

dividing both sides of the equation by 6.

On the left the 6's cancel and on the right, 24 divided by 6 is 4.

So we have n = 4.

Answer:

n = 4

Step-by-step explanation:

6n - 8 = 16

Add 8 on both sides.

6n = 16 + 8

6n = 24

Divide 6 into both sides.

n = 24/6

n = 4

The value of n in the equation is 4.

The principal of a small school needs a sample of 20 students, so she goes to the cafeteria and asks every fifth student in line to answer a survey. What kind of sampling is this?A. Simple random sampling
B. Stratified random sampling
C. Systematic sampling
D. Convenience sampling

Answers

Stratified random sampling

So, out of 700 students who like broccoli=134 students (Option D)

Help me with 1,2,3 :)

Answers

1.) 4x and 9 are terms in 4x + 9

2.) The number line represents a solution to an equation.

3.) 9 is a constant in 2n - 6m + 9

Bella pays 7 payments of 5$ each to a game store. She returns one game and receives 20$ back. What is the change to the amount of money she has?

Answers

If by "change" you mean the amount of money she didn't get back then it would be 15$ since 7x5=35 and 35-20=15.

Answer:

Step-by-step explanation:

In which of the following stores would you pay the least amount for an item that is priced $360? Store A: Sale of 10% off and a successive discount of 10% off. Store B: Sale of 15% with no additional discount. Store C: Sale of $35 off and a successive discount of 10% off

Answers

The right answer for the question that is being asked and shown above is that: "A: Sale of 10% off and a successive discount of 10% off." The store that would let you pay the least amount for an item that is priced $360 is the Store A.

The correct answer is Store A: Sale of 10% off and a successive discount of 10% off.

Further explanation:

Discount is the reduction of amount in the cost price of any item.

The following formula for discount can be used when the rate of discount and the cost price is given.

$\boxed{{\text{Discount}}=\left( {\frac{{{\text{rate of discount}}}}{{100}}}\right)*{\text{cost price}}}$

The following formula for selling price can be used when the discount and the cost priceis given.

$\boxed{{\text{Selling price}}={\text{Cost price}}-{\text{Discount}}}$

Given:

The price of an item is $\boxed{\$360}$ .

Calculation:

Store A is allowing 10% off and then allowing a successive discount of 10%.

The first discount of an item by the use of the formula can be calculated as,

$\begin{aligned}{\text{discount}}&=\left( {\frac{{10}}{{100}}}\right)* 360\n&= 36\n\end{aligned}$

Now, the selling price after allowing the first discount is,

$\begin{aligned}{\text{Selling price}}&={\text{360}}-36\n&=324\n\end{aligned}$

The successive discount on the item can be calculated as,

$\begin{aligned}{\text{discount}}&=\left( {\frac{{10}}{{100}}}\right)*324\n&=32.4\n\end{aligned}$

Now, the selling price after allowing second discount is,

$\begin{aligned}{\text{Selling price}}&={\text{324}}-32.4\n&=291.6\n\end{aligned}$

Therefore, the amount we have to pay to Store A is $\boxed{\$291.6}$ .

Store B is giving 15% off with no additional discount.

The discount of an item by the use of the formula can be calculated as,

$\begin{aligned}{\text{discount}}&=\left( {\frac{{15}}{{100}}}\right)*360\n&=54\n\end{aligned}$

Now, the selling price after allowing discount can be calculated as,

$\begin{aligned}{\text{Selling price}}&={\text{360}}-54\n&=306\n\end{aligned}$

Therefore, the amount we have to pay to Store B is $\boxed{\$306}$ .

Store C is giving $35 off and then allowing a successive discount of 10%.

Now, the selling price after allowing first discount can be calculated as,

$\begin{aligned}{\text{Selling price}}&={\text{360}}-35\n&=325\n\end{aligned}$

The successive discount on the item can be calculated as,

$\begin{gathered}{\text{discount}}=\left( {\frac{{10}}{{100}}}\right)*325\n=32.5\n\end{gathered}$

Now, the selling price after deducting second discount can be calculated as,

$\begin{aligned}{\text{Selling price}}&={\text{325}}-32.5\n&=292.5\n\end{aligned}$

Therefore, the amount we have to pay to Store C is $\boxed{\$292.5}$ .

It can be clearly seen that if we buy an item which is priced at $360 from Store A then we have to pay least amount of $291.6.

Learn more:

1. Learn more about profit and loss brainly.com/question/2479097

2. Learn more about domain and range of thefunctionbrainly.com/question/3412497

3. Learn more about the word problem for magnitude of the acceleration brainly.com/question/1597065

Answer details:

Grade: Middle school

Subject: Mathematics

Chapter: Profit and Loss

Keywords: Percentage , profit , loss, discount, cost price, selling price, marked price, rate of discount, amount, succesive discount, reduction, maximum, price .

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