Mathematics High School


11. The price of a bottle of water at a store decreases from $1.65 to $1.40. Rounded to the nearest
tenth of a percent, what is the percent decrease in the price of the bottle of water?
A. 15.2%
B. 17.9%
C. 45.9%
D. 54.1%

Answers

Answer 1

Answer:

A. 15.2%

Step-by-step explanation:

Subtract the new price from the old one to find the dollar amount that the water bottle price was reduced.

[tex]1.65-1.40=0.25[/tex]

The price was reduced by 25 cents, but we need to find the percentage. To do that, we divide the price reduction by the original price.

[tex]0.25/1.65=0.152[/tex]

And then move the decimal place over two spots (multiply by 100)

15.2

Answer 2

Percent decrease in the price of the bottle of water is 15.2% (Approx.)

Given that;

Older price of bottle = $1.65

New price of bottle = $1.40

Find:

Percent decrease in the price of the bottle of water

Computation:

Percent decrease in the price of the bottle of water = [(1.65 - 1.40) / 1.65]100

Percent decrease in the price of the bottle of water = [(0.25) / 1.65]100

Percent decrease in the price of the bottle of water = [(0.25) / 1.65]100

Percent decrease in the price of the bottle of water = 15.2% (Approx.)

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Related Questions

Graph the equation Y = X -1

Answers

Answer:sorry for the delate

Step-by-step explanation:

Answer:

Simplifying
Y = x + -1

Reorder the terms:
Y = -1 + x

Solving
Y = -1 + x

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Simplifying
Y = -1 + x

what is the answer to −9p − 6 = −141

Answers

Answer:

p = 15  

Hope this helps

Step-by-step explanation:

p=15 is what i got, good luck!!

Please help me on this

Answers

9514 1404 393

Answer:

number of cups purchasedtotal monthly costtotal monthly costnumber of cups purchasedM(x) = 2x +15M(13) = 4113 cups purchased in a monthhave a total monthly cost of $41

Step-by-step explanation:

When you have a wording that matches ...

  A depends on B

It means that A is the dependent variable, and B is the independent variable.

Here, the total monthly cost depends on the number of cups purchased.

That statement tells you that "total monthly cost" is the dependent variable, and "number of cups purchased" is the independent variable (x).

The first four (4) blanks you're to fill represent two different ways of saying this same thing.

__

The equation is a mathematical expression of the way the costs add up.

  total monthly cost = (program cost) + (per-cup cost) × (number of cups)

  M(x) = 15 + 2x

Then M(13) is ...

  M(13) = 15 + 2·13 = 15 +26 = 41

So the total monthly cost for the purchase of 13 cups of coffee is $41.

The following points are dilated at a center at point C by each of the following scale factors.
Plot and label the image points.

(a) A is dilated by a scale factor of 3.
(b) B is dilated by a scale factor of 2.
(b)D is dilated by a scale factor of 1 1/3
(d) E is dilated by a scale factor of 0.5.

Answers

Answer:

(a) A is dilated by a scale factor of 3.

Step-by-step explanation:

where the imagine

HELP PLA I NEED HELP

Answers

x=20

x=5 root under 3

x=4 root under 2

Pls help and show workings

Answers

Answer: x = 11

Step-by-step explanation:

same as the last question, set them as equal and solve. here's my work:

5x - 1 = 4x + 10

5x - 1 (+ 1) = 4x + 10 (+ 1)

5x = 4x + 11

5x (- 4x) = 4x (- 4x) + 11

x = 11

What is another name for ray QR?
Options:
QS

NR

QN

NQ

RQ

Answers

Answer:

RQ

Because that is a word

The money used in Tajikistan is called the
Somoni. The exchange rate is $7 = 22
Somoni. Find how many
dollars
you
would receive if you exchanged 66
Somoni.
O $16
O $18
O $207,43
$21

Answers

You will receive $21 if you exchanged 66 Somoni.

What is the constant in the expression 12q + 9e + 15

Answers

Answer:

Step-by-step explanation:

the constant in this expression is 15

15 is the correct answer.

pls help ill give BRAINLIEST pls just show work lol

Answers

Answer:

s=2

Step-by-step explanation:

Simplify both sides of the equation.

8s−10=3(6−2s)

8s+−10=(3)(6)+(3)(−2s)(Distribute)

8s+−10=18+−6s

8s−10=−6s+18

Add 6s to both sides.

8s−10+6s=−6s+18+6s

14s−10=18

Add 10 to both sides.

14s−10+10=18+10

14s=28

Divide both sides by 14.

14s/14=28/14

s=2

Which of the following triangles is NOT a right triangle?

Answers

Answer:

The first one

Step-by-step explanation:

The third triangle is not a right triangle.

What is a right triangle?

A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or anyone angles is a right angle.

Given are triangles,

When we apply Pythagoras theorem in the third triangle,

9² ≠ 8²+6²

Hence, The third triangle is not a right triangle.

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The quotient of ten and a number that is greater than four

Answers

A quotient is dealing with division and less than means subtraction. Let's say "a number" in this example is "x". So, we are going to divide x - 4 by 7 and set it equal to 10:

(x - 4) = 10
7

Howard buys 5 pounds of apples at $2.50 per pound and 3 pounds of grapes at $1.50 per pound. Write an expression that shows the total cost of the fruit. Then, find the total cost.

Expression

The fruit cost

Answers

Answer:

5($2.50)+3($1.50)=17

Step-by-step explanation:

you you just need to put up quantity by side of the bar pound it goes in the brackets that will give you the answer when you multiply that or something fruits value.

[tex]\boldsymbol{\$\,17}[/tex]

Algebraic ExpressionAn algebraic expression is one that is composed of integer constants, variables, and algebraic operations.A mathematical operation is a mathematical action. A mathematical operation includes addition, subtraction, multiplication, division, and calculating the root.

Cost of [tex]5[/tex] pounds of apples at [tex]\$2.50[/tex] per pound [tex]=\$\,(5\times 2.50)[/tex]

Cost of [tex]3[/tex] pounds of grapes at [tex]$1.50[/tex] per pound [tex]=\$\,(3\times 1.50)[/tex]

Therefore,

Total cost of the fruit [tex]=\$\,(5\times 2.50)+\$\,(3\times 1.50)[/tex]

                                   [tex]=\$\,12.5+\$\,4.5\\=\$\,17[/tex]

So, total cost of the fruit is [tex]\boldsymbol{\$\,17}[/tex]

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The students in the music club sold tickets to their spring concert. The table shows the
amount of money raised and the number of tickets sold by each of four students.
What is the constant of proportionality for the sales?

Answers

Answer:

Step-by-step explanation:

You divide the tickets sold and money raised and your supposed to get 5 on all of them . Answer : 5

The constant of proportionality for the sales is 1/5. Therefore, option D is the correct answer.

What is a proportional relationship?

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is known as the "constant of proportionality".

The given table shows the amount of money raised and the number of tickets sold by each of four students.

The constant of proportionality for the sales is

Fawn: 15/85 =1/5

Ryan: 13/65 =1/5

Daisy: 9/45 =1/5

Doug: 6/30 =1/5

Therefore, option D is the correct answer.

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Suppose the linear regression line y = 2.009x - 37.131 predicts a pizza
parlor's profits based on the number of pizzas sold. If x represents the
number of pizzas sold, and y represents the pizza parlor's profits in dollars,
about how much can the pizza parlor expect in profits if it sells 275 pizzas?

Answers

Answer:

Pizza parlor's profit = $515.344

Step-by-step explanation:

Given that:

Linear regression line for pizza parlor's profit

y = 2.009x - 37.131

x represents the number of pizzas sold

y represent the profit in dollars

Profit for 275 pizzas

Putting x = 275 in given equation

y = 2.009(275) - 37.131

y = 552.475 - 37.131

y = 515.344

Hence,

Pizza parlor's profit = $515.344

What is the median in this set of data?
14, 19, 26, 28, 18, 21, 30, 27

Answers

Answer:24

Step-by-step explanation:

Since the numbers in the middle are 21 and 27, you add both and divide by 2 to get the number in the middle of those 2.

Answer:

24

Step-by-step explanation:

it is the median in the set.

What is a power function and what restrictions does it have?

Answers

Answer:

A power function is a function with a single term that is the product of a real number, a coefficient, and a variable raised to a fixed real number.

Step-by-step explanation:

IF U ANSWER THIS CORRECTLY I WILL MARK U BRAINLIEST AND GIVE YOU 20 NOTIFICATIONS!!!!! (the good notifications)

Moussa is preheating his oven before using it to bake. The initial temperature of the oven is 75° and the temperature will increase at a rate of 20° per minute after being turned on. What is the temperature of the oven 6 minutes after being turned on? What is the temperature of the oven t minutes after being turned on?

Answers

Answer:

After 6 minutes the temperature would be 190 degrees.

Step-by-step explanation:

6 x 20 = 120 + 70 = 190.

Answer:

(Answer Below)

Step-by-step explanation:

Brainliest are appreciated. I don't want 20 notifications. I prefer if you buy me a biteable account. Costs $19.

solve for x. round to the nearest tenth.

pls help.

Answers

Answer:

x = 7.2

Step-by-step explanation:

you can use the cos of 63 and set it equal to adjacent / hypotenuse

cos 63° =  x  

                16

.45 =  x  

         16

x = 16(.45)

x = 7.2

The sum of six and a number multiplied by
five is 11.

Answers

Answer:

ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

Step-by-step explanation:

Step-by-step answer:

6+5n=11

6+5n-6=11-6

5n=5

5n/5=5/5

n=1

Plzzzzz give me Brainliest!!!!!  

Help me please........::.:::::::::::...:

Answers

Answer: Tuesday

Explanation: There is the biggest increase between Monday and Tuesday

430 were sold.
4.25 for soda
5.50 for popcorn
the total is 2077.50
how many of each were sold? ​

Answers

Answer:

Soda = 230

Popcorn = 200

Step-by-step explanation:

(4.25 x 230) + (5.50 x 200) = 2,077.50

230 + 200 = 430

its urgent pls answer
(2,8)
(4,2,)
(6,-4)
(9,-13)
Find the slope of the line.

Answers

Answer:

The slope would be (i believe, sorry if I am wrong)  3/-1. Rise over run.  So you would go up 3 and left 1.

Step-by-step explanation:

100 points! I will mark brainliest! Only answer if you know it! Random answers WILL IN FACT be reported :)

Answers

Answer: First choice

Explanation:

2 lines are parallel unless both lines have the same slope and different y-intercept

If our line is y = 1/2x - 8

Then the other line should have (1/2)x as their slopes thus the first choice meet the requirement since it has same slope and different y-intercept.

Answer:

y = 1/2x - 8 this is it

Step-by-step explanation:

What is 89 x 780 I need to know it please help.

Answers

Answer:780x89= 69,420

Simple math!

Step-by-step explanation:

69,420 hope this helps shug!

Find the slope of the graph

Answers

2/3 (i’m not amazing at slope but i believe it is 2/3)

Answer:

[tex]-\frac43[/tex]

Step-by-step explanation:

Hello!

Slope is calculated by the formula [tex]\frac{Rise}{Run}[/tex].

Rise is the change in y between two pointsRun is the change in x between two points.

The two points I'm picking is (0,0) and (3,-4).

The change in y (0 and -4) is -4.The change in x (0 and 3) is 3.

Therefore, the slope is [tex]-\frac43[/tex].

Pls help and show workings due asap

Answers

Step-by-step explanation:

l^2=15^2+6^2

l^2=225+36

l^2=261

l=√261

3x - 8 = 3(x - 4) + 1 halp pls​

Answers

Answer:

no solution

Step-by-step explanation:

3x-11=3x-8

3x=3x+3

0=3

Answer:

Step-by-step explanation:

The top answer is right.    

it is in the picture

Answers

Answer:

C.x+8=3x

hope it helps.

Zara has forgotten her 4-digit PIN code.
She knows the first digit is a factor of 10 and the 4 digits make a number divisible by 5.
How many different sets of 4 digits could it be?

Answers

800 different sets of digits


Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5. These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.
For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way, ²P₁.
So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is ⁴P₁ × ¹⁰P₁ × ¹⁰P₁ × ²P₁ = 4 × 10 × 10 × 2 = 800 different sets of digits

Answer:

800 different 4 digit passwords can be the pin

Step-by-step explanation:

Since the first digit is a factor of 20, the factors of 20 are 1,2,4,5,10,20. We only need the single digit factors which are 1,2,4 and 5.

These 4 numbers can be permuted in 1 way for the first digit, so we have ⁴P₁.

For the second digit, we have 10 digits permuted in 1 way, ¹⁰P₁ and also for the third digit, we have

10 digits permuted in 1 way,  and for the last digit, which is divisible by 5, it is either a 0 or 5, so we have two digits permuted in 1 way,

So, the number of different 4 digit number that Zara'2 4-digit PIN code could be is

4 × 10 × 10 × 2 = 800 different sets of digits

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