Cara loves to compete in triathlons. At a race a few months ago, she finished in 170 minutes. Yesterday, she completed another triathlon and finished in the same amount of time. What was the percent of increase in Cara's finishing time?

Answers

Answer 1

0% it stayed the same so there’s no increase

Related Questions

A chef made 150 cups of chili and sold 60% of it. A serving size of the chili is 1 2/3 cups. How many servings of the chili were sold.

(Unit: expressions & equations)

Answers

150× 60% ÷ 1⅔

150×60/100 ÷ 5/3

15 × 6 ×3/5

3 × 18

54 servings of the chili were sold.

The number of cups of chili that he sold will be will be 90 cups. Then the number of servings of the chili sold will be 54.

What is the percentage?

The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.

A chef made 150 cups of chili and sold 60% of it. Then the number of cups of chili that he sold will be calculated as,

⇒ 60% of 150

⇒ 0.60 x 150

⇒ 90 cups

The serving size of the chili is 1 ²/₃ cups.

Convert the mixed fraction number into a fraction number, then we have

1 ²/₃ cups = 1 + 2/3

1 ²/₃ cups = 5/3 cups

Then the number of servings of the chili sold will be calculated as,

⇒ 90 / (5/3)

⇒ 90 x (3 / 5)

⇒ 18 x 3

⇒ 54

The number of cups of chili that he sold will be will be 90 cups. Then the number of servings of the chili sold will be 54.

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What does pemdas stand four ??

Answers

Answer:

Parentesis

Exponent

Multiplication

Division

Addition

Subtraction

Step-by-step explanation:

Answer: PEMDAS stands for parenthesis, exponents, multiplication, division, addition, subtraction

Graph this function: y=|x–3|+3

Answers

Answer:

Here is the graphed visual of the equation.

X : 1,2,3,4,5
Y : 5,4,3,4,5

In what ways was Brian struggling for survival in the first two chapters (both physically and emotionally)? Use RACE to respond. Book is HATCHET.

Answers

Answer:he used the hatchet by making a fire

Step-by-step explanation:

He was suffering mentally because of his parents divorce, and that he had to go to his father at summer. Physically: by crashing into the plane and trying to survive all alone in the forest with nothing but a hatchet.

The frequency table shows how many visits to the library students in a school have made in the last month.

Visits Frequency
0 7
1 54
2 142
3 276
4 92
5 23

Work out the mean.
Give your answer rounded to 1 DP.

Answers

329.8 is the correct answer

Mr. Chin asked his class to solve for y in the equation 8(3y - 5) = 9(y - 5) -1. Explain how to solve for y. Then solve.

Answers

Answer:

[tex]\Huge \boxed{\boxed{\bf{y = -\frac{2}{5} }}}[/tex]

Step-by-step explanation:

To solve for [tex]\tt{y}[/tex] in the equation [tex]\tt{8(3y - 5) = 9(y - 5) - 1}[/tex], we'll need to simplify and isolate the variable.

Let's start by distributing the 8 on the left side and the 9 on the right side of the equation:

[tex]\tt{8(3y - 5) = 9(y - 5) - 1}[/tex][tex]\tt{24y - 40 = 9y - 45 - 1}[/tex]

Next, we'll combine like terms on both sides of the equation:

[tex]\tt{24y - 40 = 9y - 46}[/tex]

To isolate the variable, we'll move all the terms involving y to one side of the equation. Let's subtract 9y from both sides:

[tex]\tt{24y - 9y - 40 = 9y - 9y - 46}[/tex]

Simplifying further, we have:

[tex]\tt{15y - 40 = -46}[/tex]

To isolate "y," let's add 40 to both sides:

[tex]\tt{15y - 40 + 40 = -46 + 40}[/tex]

Simplifying, we get:

[tex]\tt{15y = -6}[/tex]

Finally, we can solve for "y" by dividing both sides of the equation by 15:

[tex]\tt{\frac{15y}{15} = \frac{-6}{15}}[/tex]

Simplifying the equation, we have:

[tex]\tt{y = -\frac{2}{5} }[/tex]

So, the solution to the equation is y = -2/5.

Learn more about solving equations that have variable on both sides.

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________________________________________________________

Full Steps

[tex]\bf{8(3y - 5) = 9(y - 5) - 1}[/tex][tex]\tt{24y - 40 = 9y - 45 - 1}[/tex][tex]\tt{24y - 40 = 9y - 46}[/tex][tex]\tt{24y - 9y - 40 = 9y - 9y - 46}[/tex][tex]\tt{15y - 40 = -46}[/tex][tex]\tt{15y - 40 + 40 = -46 + 40}[/tex][tex]\tt{15y = -6}[/tex][tex]\tt{\frac{15y}{15} = \frac{-6}{15}}[/tex][tex]\tt{y = -\frac{2}{5} }[/tex]

________________________________________________________

PLEASE HELP!!!!!!!!!!!!!!!!!
WILL MARK BRAINLIEST
What is 5,890,000 in Scientific Notation?

Answers

Answer:

5.89 x 10^6

The purpose of scientific notation is for scientists to write very large, or very small, numbers with ease.

Calculating scientific notation for a positive integer is simple, as it always follows this notation:

a x 10b

Follow the steps below to see how 5,890,000 is written in scientific notation.

To find a, take the number and move a decimal place to the right one position.

Original Number: 5,890,000

New Number: 5.890000

count how many times you moved the decimal and that's your power

in this case it's ^6

It’s 5.89 X 10^6. This is, in England, called standard form. It’s how really large numbers are represented in a small way.

Check that 12g is equivalent to 48%.

Answers

Answer:

See answers in the picture below.

Step-by-step explanation:

Write a situation that matches the diagram, or make a diagram that matches the situation.
Use the picture I posted and draw/write (clearly) the correct answer.
Thank you! This needs to be done by today and quick.

Answers

so uh...which picture?

i can’t help if there isn’t a picture. maybe link one or post it on the comments

True or false, the fractions ¾ and 6/8 are equivalent.

A. True

B. False

Answers

Answer: A. True

Step-by-step explanation:

A because 3/4 multiplied by 2 on both top and bottom are 6/8

The amount of money you spend on x CDs and y DVDs is given by the equation 14x+18y=126. Find the intercepts.

Need this soon please

Answers

Answer:

The y intercept is (0,7) The x intercept is (9,0)

Step-by-step explanation:

You set the x to zero if you want the y intercept and vice versa for the x intercept.

14x+18y=126 y intercept

14(0)+18y=126

0+18y=126

18y=126 divide by 18

y=7

do the same thing for the x intercept except set the y to 0

Sam’s Soups is open 6 days a week, 76 hours in all. Its hours are the same every day, except on Saturday and Sunday. On those days, it is open 2 hours longer. How long is Sam’s Soups open on Sunday? Use an equation to solve.

Answers

The number of hours that Sam’s Soups is open on Sunday will be 14 hours.

What is the solution to the equation?

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

Sam's Soups is open 6 days per week, 76 hours altogether. Its hours are similar consistently, besides on Saturday and Sunday. On those days, it is open 2 hours longer.

Let 'x' be the number of hours spent on Saturday and Sunday. Then the equation is given as,

x + x + (x - 2) + (x - 2) + (x - 2) + (x - 2) = 76

Simplify the equation, then we have

6x - 8 = 76

6x = 84

x = 14 horus

The number of hours that Sam’s Soups is open on Sunday will be 14 hours.

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Julia decides to sell the baskets she doesn’t have room for. If she bought each of them for $8.50 and sells them for $12, what is percent of markup? What is her overall profit?

Answers

Given:

Cost = $8.50,Selling price = $12.00.

Find markup:

$12.00 - $8.50 = $3.50

Percent of markup:

3.50/8.50 × 100% = 41.18% (rounded)

The number of baskets is not given. If it is x, then total profit is:

3.5x dollars

Given:

Cost = $8.50,

The selling price = is $12.00.

Find markup:

$12.00 - $8.50 = $3.50

Percent of markup:

3.50/8.50 × 100% = 41.18% (rounded)

The number of baskets is not given. If it is x, then the total profit is:

3.5x dollars

Step-by-step explanation:

Which expression can be used to find the surface area of the triangular prism? Will give Brainliest!

Answers

Answer:

Step-by-step explanation:

It is usually A= 1/2 B*H which 1/2*3*4 in parentheses would fit this, but im not 100% sure!

We are given the dimensions in the net drawing (the two-dimensional image of the shapes used to create the triangular prism). Let’s list the information we have:

• We have two congruent right triangles with bases=3 and heights=4

• 3 Rectangles, which all share the same width: width=2

Since we are dealing with two-dimensional figures, we must use the area formulas for them.

Area of triangle:

A=1/2•B•H

Area of a rectangle:

A=L•W

Because we have two congruent triangles, their areas must be congruent, too. So, we have double the area of one triangle. So, we can modify the formula:

A=2(1/2•B•H)

Because all three rectangles share the same width but have different lengths, we can add their lengths together to form one whole rectangle.

4+3+5=12

So, all three rectangles’ sides have been combined (added) to form one whole rectangle with the dimensions:

12 by 2.

Now, because the surface area is the total area used to form the faces of a 3-D shape, we must add all the areas of the figures together.

Area of a triangle (modified)

A=2(1/2•3•4)

Area of rectangle:

A=12•2

Simplify:

Triangle:

A=2(6)

A=12

Rectangle:

A=12•2

A=24

Now, let’s add the areas together:

12+24=36

So, the surface area is 36ft^2.

Now, to answer the question, option 3.) is correct

A: 2(1/2•3•4)+4•2+3•2+5•2

A toy company's total payment for salaries for the first two months of 2012 is $40,765. Write and solve an equation to find the salaries for the second month if the first month’s salaries are $10,205.

Answers

Answer:

its D

12,455 + x = 23,894

x = 10,560

Step-by-step explanation:

Let's say that the variable 'x' represents the salaries for the second month, so out equation would be:

10,205 + x = 23,894

To solve, we must isolate the variable by subtracting 12,455 from both sides:

10,205 + x = 23,894

-10,205 -10,205

x = 10,560

So, the second month's salary was $10,560

Step-by-step explanation:

Answer: x = $30,560

Step-by-step explanation:

1. Let the second month payment be x

2. The first month + The second month = both of the months

3. So substituting: 10,205 + x = 40,765

4. Subtract 10,205 from both sides: x = 30,560

what is the answer for 5/8x + 4 = 3/8x + 12

Answers

Answer:

x=32

Step-by-step explanation:

Answer:

x = 32

Step-by-step explanation:

Question
Solve the equation.

−8(y+9)=−40
y=?

Answers

Answer:

y+9= -40/-8

y+9= 5

y=5-9

y= -4

y-4! good luck and have a great day, also have a good school year!! :)

what is the answer for 5/11x + 2/3x - 1/6x = -189

Answers

Answer:

x = -198

Step-by-step explanation:

5/11 x + 2/3 x - 1/6 x = -189

66(5/11x + 2/3x - 1/6x) = 66(-189)

30x + 44x - 11x = -12474

63x = -12474

x = -198

Answer:

x = -210

Step-by-step explanation:

[tex]\frac{5}{11x} + \frac{2}{3x} - \frac{1}{6x} = -189[/tex]

[tex]\frac{37}{33x} - \frac{1}{6x} = -189[/tex]

[tex]\frac{21}{22x} = -189[/tex]

0.9x = -189

[tex]x = \frac{-189}{0.9}[/tex]

x = -210

Which net represents the three-dimensional figure shown on the right? Will give brainliest!

Answers

Answer:

Looks like the top left

Answer:

It's the 1st one from the left!

Step-by-step explanation:

i need the answer to this please ;) and quick

Answers

Answer: Yes

Step-by-step explanation:

10: 10, 20, 30, 40, 50 , 60, 70, 80 , 90, 100, 110, 120

12: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120

Both have 120 as a common multiple.

Answers -Yes
and 120 is the commom multiple

I love you guys, I really rely on brainly, which probably isnt a good thing but here we are lol. Heres my question

Answers

Answer: d=36

Step-by-step explanation:

9/2=4.5

36/8=4.5 :)

Cross multiple

72=2d

D=36

how many least common multiples of 10 and 12 are there one or infinitely many- 20 points to answer quickly

Answers

there is only one, the least common multiple is 60

Answer:

Step-by-step explanation:

Least Common Multiple of 10 and 12 = 60 Step 1: Find the prime factorization of 10 10 = 2 x 5 Step 2: Find the prime factorization of 12.

If the product of 6 integers is negative, at most how many of the integers can be negative?

Answers

Answer: 5 negatives

Step-by-step explanation:

At a school cafeteria, a staff person surveyed the food preferences of 35 students. For every five students, two said they liked liked heathy food. How many students preferred heathy foods.

Answers

Answer: 14 students.

Step-by-step explanation:

7 students preferred heathy food

3/4% of 801: Estimate

Answers

Answer:

Step-by-step explanation:

3/4 of 801 is approx 600

3/4 % of 801 would be this answer divided by 100 .... = 6

6
Thats answer you welcome

Answers

Answer:

14 hours

Step-by-step explanation:

Let x be the number of hours open on each of the four days (because it is six days per week) that are not Saturday or Sunday. Thus, the total number of hours on those days would be 4x. Then, we are told that Sam's Soups are open 2 hours longer on Saturdays and Sundays, so that would be x + 2. There are two of those days, so that would be 2(x + 2). Since all of these hours total 76, we have our equation:

4x + 2(x + 2) = 76

4x + 2x + 4 = 76

6x = 72

x = 12

Remember, 12 hours is the number of hours that Sam's Soups is open on days that are not Saturday and Sunday. Those days are x + 2. Thus, that is 12 + 2 = 14 hours.

Answer:

14 hours

Step-by-step explanation:

x = hours on day other than saturday and sunday

y = hours on Saturday and Sunday.

Sam's soups are only open 6 days a week, and 2 are weekends, so it is only open on 4 weekdays.

4x + 2y = 76

We know the hours on Saturday and Sunday are 2 hours more than the weekday hours.

So,

y = x + 2

Substituting that back into the original equation,

4x + 2(x+2) = 76

4x + 2x + 4 = 76

6x = 72

x = 12

y = 14

So Sam's Soups is open 14 hours on Sunday.

Hi there! Please help me asap and explain how you did it... Tysm!♡♡

Answers

Answer:

A = ( -1 , 4 )

B = ( -4 , 3 )

C = ( -2 , 1 )

Explanation:

You basically just flip it along the line like a mirror would

A = ( -1 , 4 )

B = ( -4 , 3 )

C = ( -2, 1 )

Basically, you match the coordinates of the image to the other part and see the new coordinates. It's like seeing something in a mirror, but with a different view.

(Hope it helps!)

BRAINLIEST Which net represents the three-dimensional figure shown on the right?

Answers

The answer is C, there are many formulas associated with it.
The formula for c for the current figure is 2(base * height) + s1 + s2 + s3(length)
But the formula I use is a*b + 3 * b * height, where a and B are sides

The net represents the three-dimensional figure is

2(1/2 x 3 x 4) + 4 x 2 + 3 x 2 + 5 x 2

The correct option is C.

What is Expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows:

Expression: (Math Operator, Number/Variable, Math Operator)

We know that the formula for calculating the Area of prism is

= 2 ( base x height) + (s1 + s2 + s3) length

But according to the given figure we have to

= length x width + 3 x width x height

= ab + 3bh

Learn more about Expression here:

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Caleb earns $_____ per hour_______ than Hassan.
^
more or less

Answers

Answer:Caleb earns $24 per hour more than Hassan

Step-by-step explanation:

819.40/34=24.08 rounded to 24

Hassan makes 21.5 per hour

Answer:

Caleb earns $2.6 per hour more than Hassan.

Step-by-step explanation:

eg:

Hassan: $21.5 = 1hr

Caleb: $819.40 = 34hr

819.40 ÷ 34 = $24.1 (earned by Caleb per hour)

$24.1 - $21.5 = $2.6 (more than Hassan)

Graphing Linear Equations in Standard Form

Answers

Answer:

y=-3/4x-3

Step-by-step explanation:

because you need to make it into graphing forms so you would transfer the 3 over and divide the 3 and the 12 to get y=-3/4x-3

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