Please help! I’m stuck

Answers

Answer 1

Answer: I thick it is 6c...because I need to help someone

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a CD player regularly sells for $80. It is on sale for 20% off. What is the sale price of the CD player?

Answers

-_______________________________

Hey,

Solution,

Markedprice(MP)=$80

Discount percent=20%

Now,

Discountamount=discountpercentofMP

=20%of80

=20/100*80

=$16

Again,

Sellingprice(SP)=MP-Discount amount

=$80-$16

=$64

So,thesalepriceoftheCDplayeris$64.

Hopeithelps...

Goodluckonyourassignment....

Staysafe...

_______________________________

If the CD player sells regularly for $80 but is on sale for 20% off the sales price will now be $64. The equation used is ? x 0.8 = 20%. Think of teams of 10. 8+2 = 10 right? Now put transfer that to hundreds 80+20 = 100 or in this case 1 whole number. To get a certain percent off you need to x it by 0. (Other part of teams of 10) so if it was 63% off you would do ? x 0.37. If you want to keep it simple though just times the original number, in this case 80, by 0. And then the percentage ( 80 x 0.60 ) that’ll give you how much to take off of $80 to reach 20% off.

Marco's Drama class is performing a play. He wants to buy as many tickets as he can afford. If tickets,cost $3.50 each and he has $15.75 to spend, how many tickets can he buy?

Answers

Answer:

Step-by-step explanation:

You just have to divide the money he has by the ticket price.

The answer to that division is 4.5, but he can't buy half ticket, so the answer is 4

Answer:

He can buy 4 tickets

Step-by-step explanation:

you take $15.75 and divide it by $3.50 to get 4.5, then round down to get 4

Nick bought a video game for $55, which was 20% off the original price. what was the original price?

Answers

$the \ original \ price : x \n \n x\cdot 20\% = 55 \n \nx\cdot (20)/(100)=55\n \n(1)/(5)x=55 \ \ / \cdot 5\n \nx=\$ \ 275 \n \n Answer : \ the \ original \ price \ it \ \$ \ \ 275 .$

Since $55 would be 80% of the original (since it was 20% off) you would divide the $55 by 4 to get 1/5 if the original price ($13.75) and multiply it by 5 to get the original price. $13.75x5=$68.75

Two chemicals are mixed in a test tube and a chemical reaction takes place. If this reaction is endothermic and the test tube is touched, which of the following best describes what is felt?The test tube is cold.

The test tube is warm.

The test tube is very hot.

The test tube is the same temperature as the air.

Answers

The testtube is cold best describes what is felt.

Option A is the correct answer.

What is a chemical reaction?

A chemicalreaction is a process that leads to the transformation of one set of chemical substances into another.

In other words, it is the process of breaking and forming chemical bonds between atoms to create new compounds with different properties than the original substances.

We have,

An endothermicreaction is a type of chemical reaction that absorbs heat from the surrounding environment, resulting in a decrease in temperature.

In this case,

The chemicalreaction that occurred in the test tube absorbed heat from the surroundings, including the air and the test tube itself.

As a result, the temperature of the test tube decreased, making it feel cold to the touch.

Thus,

The testtube is cold best describes what is felt.

Learn more about the chemicalreaction here:

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Final answer:

In an endothermic reaction, the test tube will feel cold because heat is absorbed by the system from the surroundings.

Explanation:

A chemical reaction or physical change is endothermic if heat is absorbed by the system from the surroundings. In the course of an endothermic process, the system gains heat from the surroundings, and so the temperature of the surroundings decreases.

The quantity of heat for a process is represented by the letter q. The sign of q for an endothermic process is positive because the system is gaining heat.

A chemical reaction or physical change is exothermic if heat is released by the system into the surroundings. Because the surroundings are gaining heat from the system, the temperature of the surroundings increases.

The sign of q for an exothermic process is negative because the system is losing heat.

Learn more about Endothermic reactions here:

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Help its urgent!! simple ALGEBRA!!

Answers

The answer is 10 large candles and 21 small candles.

10 large and 21 small candles

Classify the number shown as the dot in this diagram.Whole, integer, rational, real

Irrational, real

Rational, real

Integer, rational, real

Answers

The number shown as the dot in the diagram, which is 0.37, can be classified as a rational number and a real number.

Whole Numbers: Whole numbers are non-negative integers, including zero. Since the number in the diagram is 0.37, it is not a whole number because it is less than 1.

Integers: Integers are a set of whole numbers and their negative counterparts. As the number in the diagram, 0.37, is not an integer, it does not belong to this category.

Rational Numbers: Rational numbers are those that can be expressed as a ratio of two integers (a/b), where 'a' is the numerator and 'b' is the non-zero denominator. The number 0.37 can be expressed as 37/100, which is a ratio of two integers. Hence, it is a rational number.

Real Numbers: Real numbers include all rational and irrational numbers. The number 0.37 is a real number as it falls under the category of rational numbers, and all rational numbers are real numbers.

Hence the correct option is (c).

To know more about numbers here

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Answer:

Integer, rational,real

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