Mathematics College


Ryan is buying batteries for his remote control cars. Charge Zone batteries cost $15.80
for 20 batteries. Electrocell batteries cost $8.10 for 10 batteries. If both brands of batteries
last equally long, which brand is the better value?
Electrocell
Charge Zone

Answers

Answer 1

Answer: It would be the charge zone batteries, because if you think about if you were to buy 2 packs of the Electrocell batteries would have been more than 15.80. So your getting a better deal and more batteries.

Step-by-step explanation: 8.10 + 8.10 = 16.2016.20 > 15.80
Answer 2

If both the brands last equally long, then the brand posses  better value is,  Electrocell batteries.

What is division?

Division is a mathematical operation, in which we distribute the number in equal parts, the number on the upper side is the total quantity and the number on the bottom side is equal parts of numbers which have to be distributed.

We denote division by '÷' this symbol.

Given that,

Charge Zone batteries cost $15.80 for 20 batteries,

Electrocell batteries cost $8.10 for 10 batteries,

To compare the cost per battery for each brand, we can divide the total cost by the number of batteries in each package:

Cost per Electrocell battery:

= $8.10 /10 batteries

= $0.81 per battery

Cost per Charge Zone battery:

= $15.80/20 batteries

= $0.79 per battery

Since $0.81 per battery is less than $0.79 per battery, Electrocell batteries are the better value.

The better value is Electrocell batteries.

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Related Questions

I’m not sure if I’m right but can someone help.!

Answers

Answer:

4/9

Step-by-step explanation:

because it is 0.44444444 repeating :)

Answer:

I think this is right. I checked with my mom, a math wiz, and she says its 11/25. But that can't be simplified, and its not an option. Try simplifying the fraction 11/25.. Hope it helps

Step-by-step explanation:

If |14 -2x = 20, x could equal which of the following?

Answers

Answer:

x would equal -3

Step-by-step explanation:

want to get rid of 14 from each side so 14 - 14 would get rid of that 20 - 14 = 6 now you still have a negative 2x

-2x / -2x gives you X to be alone now divide 6 with -2 which gives you -3

The value of x is -3.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

14 -2x = 20

Now, solving for x

Subtract 14 both side

14- 2x - 14= 20- 14

-2x = 6

Divide by (-2)

-2x/(-2)= 6/ (-2)

x= -3

Hence, the value of x is -3.

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A triangle has a base of 3 2/5 inches and an area of 5 1/10 square inches. Find the height of the triangle.

Answers

Answer:

3.33 is the answer

if the number of different schedules is represented by three consecutive even integers, what is the expression for that total number of schedules they have to choose from?

Answers

Answer:

s

Step-by-step explanation:

s

=3x+6

Apply the distributive property x+( x+2)+(x+4)
Arrange like terms = x+x+2+x+4
Simplify =x+x+x+2+4
=3x+6

If I run 2 1/2 miles in 19 1/5 minutes what is my average time per mile

Answers

Answer:

7:41

Step-by-step explanation:

19 1/5 as a decimal is 19.2, and the mileage would be 2.5. to find the time per mile, you divide the finish time by the number of miles you ran:

  19.2 / 2.5 = 7.68

now you're prolly wondering, "why isn't the answer 7.68?" that's a good question, and the reason that 7.68 isn't the answer is bc time is all in factions of 60, not 100 like most things, so there are 60 seconds in a minute, instead of 100 seconds in a minute.

so, you have to find out how many seconds are in 0.68 of a minute. to do this, you multiply 60 by 0.68:

  60 x 0.68 = 40.8

so 0.68 of a minute is 40.8 seconds, so your average pace was 7:40.8. i would just round up to 7:41, but your teacher may want exact numbers.

hopefully that helps and isn't too confusing! if you need any other help, let me know! :)

sergio must ride 7.5 miles in 1/4 hour to achieve this target speed, so he needs to ride an additional ____ mile per 1/4 hour

Answers

Answer: 7.0

Step-by-step explanation:

sergio must ride 7.5 miles in 1/4 hour to achieve this target speed so  he needs to ride  an addititonal 9.8 mile per1/4 hour

Answer:

30 mph

Step-by-step explanation:

since it is 1/4  you would multply 7.5 times 4, which adds up to 30.

Help please (screenshot)

Answers

Answer:

Step-by-step explanation:

Nathan ran 2.35 miles on Tuesday and 3.15 on Thursday. What total distance did he run?

Answers

Answer:

5.5 miles

Step-by-step explanation:

2.35 + 3.15 =5.5

Is -2.75 greater than -3.25? HURRY!

Answers

yes it is. it is closer to zero than -3.25 so it’s is larger

You dont have to help but it would be nice if you would :)

Ethan invested $25,000 in an account that earns 4.25% simple interest. If Ethan doesn't make any additional deposits or withdrawals, how much interest will he have earned after 9 years?

Answers

Answer:

I think it might be $36,360.06

Step-by-step explanation:

On a certain road map, the scale is
0.5 inch = 10 miles. Aurora Springs and Glendale are 3 inches apart on the map. What is the actual distance between Aurora Springs and Glendale?

Answers

Answer:

3 inches=60 miles

Step-by-step explanation:

Multiply 0.5 times 6 because 1/2 an inch equals 10 miles. 0.5 x 6 = 3. 6 x 10 = 60. The actual distance between Aurora Springs and Glendale is 60 miles or 3 inches

QUESTION 1 of 10: You purchased 100 shares of stock valued at $55 per share. The stock value increases to $85 per share.
What was the rate of increase?

a. 48%
b. 55%
c. 64%
d. 85%

Answers

Answer:

55%

Step-by-step explanation:

The stock value has increased at rate of  B) 55%

Calculation of percentage rate of increase

Percentage rate of Increase or decrease is calculated by dividing the change (increase or decrease) by the initial before change value

Formula = ( Change / Initial Value ) x 100

Given : Initial value = $55 , New Value = $85

So, change = New - Initial Value = 85 - 55 = 35

Percentage rate = (30 / 55) x 100

= 54.54% ≈ 55%

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In my town, gas prices are always listed to the thousandths place. Since the smallest coin we have is
the penny, we have to round them to the hundredths place. If the price of gas is $5.897, what will the
price be when we round it to the hundredths place?

Answers

Answer:

It would be rounded to $5.90 per gallon. As if something is 5 or above you round up and if it is 4 or less you round down.

in the diagram below ,segment A'B' is the image of segment AB after a rotation by 103 degrees counterclockkwise about point C. Which segments below, when drawn, would not have to be the same length

Answers

Answer:

2

Step-by-step explanation:

For which equation does x = 2?

Answers

Answer:

what are the equations

Step-by-step explanation:

7n + 5 =68.... how to solve this problem and show my work​

Answers

Answer:

n = 9

Step-by-step explanation:

7n + 5 = 68

7n + 5 - 5 = 68 - 5

7n = 63

7n / 7 = 63 / 7

n = 9

Marcus likes Nike sneakers. He paid $195 for a sneaker that originally cost $245. What is the percent discount of his purchase?

Answers

Answer:

21%

Step-by-step explanation:

195 divided by 245 = 0.79 approximately

100-79=21

Always divide the small number by the big number for percentages

Good luck!

Solve for k.

k + 4 over 2 = 3

Answers

Answer:

K = 1

Step-by-step explanation:

K + 2 = 3

K = 3 -2

K = 1

Answer:

K=2

Step-by-step explanation:

K+4 / 2 = 3

If you input 2 into the equation you get 3.

2+4=6

6/2 = 3

The sum of two binomials is 7x 2 - 15. If one of the binomials is 4x 2-8. what is the other binomial?
0 33²-7
o 11x².7
O 3x2-23
O 11x 2 + 23
Previous

Answers

Answer:

c

Step-by-step explanation:

4/9 as a ratio? please answer ASAP!!!

Answers

Answer: 49

Step-by-step explanation:


Find the midpoint of the segment whose endpoints are (8,6) and (10.4)​

Answers

Answer:

the midpoint is (9,5). hope this helps

Original price $80 Rate of discount 4% what is the Discount and Sale price

Answers

Answer:Price after discount: $76.80

You saved: $3.20

Step-by-step explanation:

How many 7/8-teaspoon servings are in 1/4 of a teaspoon of sugar? Yor anwer needs to be in farction in simplest form.

Answers

3/4 and then you have 1/8 left
Plz mark brainliest

18 red marbles; 6 to 9

Answers

Answer:

Im not sure what the question is

Step-by-step explanation:

Pleaseee answer I will give brainiest if it helps me

Answers

Answer:

3+(-4)= -1

Step-by-step explanation:

Originally on 3 and goes to -4, and for addition add (-4) to positive 3 and you'll get -1

The total bill for dinner, including tax, was $65.81. In Indiana there is a 7% sales tax. What was the price of the meal before taxes?

Answers

Answer:

$56.41

Step-by-step explanation:

You have to divide the total bill by the sales tax and the multiply that number by 100. Then subtract that number from the total bill and that's how you get your answer.


Binary of 18 and 168​

Answers

Answer:

18=10010

168=00110001 00110110 00111000

Step-by-step explanation:

18=10010

168=00110001 00110110 00111000

Adam, Barry, and Charles visited a small farmers market last Saturday. Adam purchased 3 dozen eggs, 1 wheel of cheese, and 5 pounds of potatoes. Barry bought 1 dozen eggs and 10 pounds of potatoes, while Charles purchased 2 dozen eggs and 2 pounds of potatoes. If Adam’s bill was $38.25, Barry’s $36.50 and Charles’ $17.20, how much did a dozen eggs, a wheel of cheese and a pound of potatoes cost?

Answers

Answer:

Dozen eggs = $5.5

Wheel of cheese = $6.25

Pound of potatoes = $3.1

Step-by-step explanation:

Let the cost

Dozen of egg = x

Wheel of cheese = y

Pound of potato = z

We will form linear equations using the information given in the question

Adam purchased 3 dozen eggs, 1 wheel of cheese, and 5 pounds of potatoes

3x + y + 5z = 38.25 ................(1)

Barry bought 1 dozen eggs and 10 pounds of potatoes

x + 10z = 36.50 ............(2)

Charles purchased 2 dozen eggs and 2 pounds of potatoes

2x + 2z = 17.20  .................(3)

solving 2 and 3

x = $5.5  and z = $3.1

substitute these values in equation 1

we get

y = $6.25

The cost

Dozen eggs = $5.5

Wheel of cheese = $6.25

Pound of potatoes = $3.1

A machine cuts 25 circuit boards every 5 minutes. What is the unit rate of production for the machine?

Answers

Answer:

25 divided by 5 = 5, so the unit rate is 5 circuit boards every minute.

The unit rate of production for the machine would be 5 circuit boards per minute.

What is Ratio?

A ratio is defined as a relationship between two quantities, it is expressed as one divided by the other

What are Arithmetic operations?

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

We have been given that a machine cuts 25 circuit boards every 5 minutes.

To determine the unit rate of production for the machine.

Here the number of circuit boards = 25

And time = 5 minutes

We have to calculate the ratio of the number of circuit boards to time.

So the unit rate of production for the machine :

= number of circuit boards/time

⇒ 25/5 = 5

Therefore, the unit rate of production for the machine would be 5 circuit boards per minute.

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determine whether or not the two triangles below could lie on the same graphed line

Answers

Answer:

I think they could because they are both right trigangles  and have a flat bottom

Step-by-step explanation:

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