Mathematics Middle School

Janice is training for a 5K. She predicted she would spend 90 minutes running this week. She actually ran for a total of 120 minutes. What is her percent
error?

Answers

Answer 1

Answer:

33%

Step-by-step explanation:

She is 33% off. She was planning to run 90 minutes, but ran 30 minutes more, which is 33.3333333333% percent of 90.

Related Questions

Write a linear Function containing the following points
(0,--8) and (2,0)
Plz help

Answers

Y= 4x+-8

I think soooo

A figure is reflected in the x-axis. How will the coordinates change?
A. The x-coordinates will stay the same.
B The x-coordinates will change sign.
C The y-coordinates will stay the same.
D The y-coordinates will change sign.

Answers

A or c I don’t know I hope this helps

Answer: The y-coodinates will change sign.

Step-by-step explanation: This is because it is being flipped over the x line. If you have the coordinate (2,3) then when you flip it you will end up with (2,-3)

Below is a table showing the different sales prices of a bicycle that Juan wants to purchase. Juan wants to get the best deal. Which store offers the bike at the lowest price after the discount?

Pls show your work as you find the price of the bike at each store.

Answers

Answer:

Z-mart=12

abc sports=200

Bike world=66.25

Step-by-step explanation:

Can someone plz help me with this one problem plz plz help plz plz

Answers

Answer: Yes

Step-by-step explanation:

y = 1 would be a line going forever across x-axis

so as long as its (x, 1) it will satisfy that equation

Yes it does I have that question

plz help asappppppppppppp​

Answers

Answer:

177.03 cm²

Step-by-step explanation:

177.03 or 43.9 not sure tho

I need help with question please and thank you

Answers

Hello here is your answer!

a=4

If this helped please mark brainlist!

Answer:

A=4

Step-by-step explanation:

7=4+3

The Empire State Building is just over 1,450 feet tall. In anticipation of visiting this
landmark on your vacation, you create a model of it using blocks.

a) Suppose you are making a model where one block represents 2 feet. About how
many blocks tall is your model of the Empire State Building? What is the scale
factor? (2 points)

b) Suppose you are making a model where one block represents 5 feet. About how
many blocks tall is your model of the Empire State Building? What is the scale
factor? (2 points)

c) Look at the scale factor from parts a and b. Do they represent a reduction or an enlargement of the Empire State Building? How do you know? (2 points)

d) Use your knowledge of scale drawings and image sizes to fill in the missing
information in the table. (3 points)

Answers

A) your model would be 725 blocks tall because 1,450/2=725
B) your model would be 290 blocks tall because 1,450/5=290.
C)reduction of the Empire State Building because you are building a model that takes blocks representative of a larger unit than what it signifies
D)don’t have the table to fill in

Model  requiring  525 block and 290 blocks

What is scale factor ?

Scale Factor is used to scale shapes in different dimensions. In geometry, we learn about different geometrical shapes which both in two-dimension and three-dimension. The scale factor is a measure for similar figures, who look the same but have different scales or measures. Suppose, two circle looks similar but they could have varying radii.

a) You have two given data available here: the actual height of the Empire State Building measuring 1,450 feet, and the height of the block measuring 2 feet. To find how many blocks stacked together would make up 1,450 feet, just divide 1,450 by 2.

Number of blocks=1,450 feet * (1 block/2 feet)

Number of blocks = 725 blocks

Therefore, you would use a model requiring 725 blocks.

The scale factor for the model is 1 block per two feet.

b) You have two given data available here: the actual height of the Empire State Building measuring 1,450 feet, and the height of the block measuring 5 feet. To find how many blocks stacked together would make up 1,450 feet, just divide 1,450 by 5.

Number of blocks=1,450 feet * (1 block/5 feet)

Number of blocks = 290 blocks

Therefore, you would use a model requiring 290 blocks.

The scale factor for the model is 1 block per five  feet.

To learn more about the scale factor here:

https://brainly.com/question/15555657

#SPJ3

PlEASE help so confused?

THANKS

Answers

Answer:

0.25

Step-by-step explanation:

3 ÷ 12 = 0.25

5 ÷ 20 = 0.25

Hope this helps, thank you !!

Answer:

3 ÷ 12 = 0.25

5 ÷ 20 = 0.25

Need help asapppppppp

Answers

Answer:

10

Step-by-step explanation:

The first one should be correct

A scatter plot is made with the data shown:

Number of Weeks in Business 1 2 3 4 5 6 7 8 9
Number of Customers 0 2 4 6 8 10 12 14 16
What type of association will the scatter plot for this data represent between the number of weeks in business and the number of customers? (4 points)

a
No association

b
Positive linear association

c
Negative linear association

d
Positive nonlinear association

Answers

its b, positive linear association.

Utilize the virtual die roller to conduct an experiment of how many actual times you will roll a "3" if you roll the die 72 times.
https://flipsimu.com/dice-roller/#

Answers

Answer:

15 times-

Step-by-step explanation:

SMART PEOPLE PLEASE HELP!!!

Answers

Yea I agree with both of them as 1/4 and 25/100 is the same as 25%. As you can put 25 percent in a fraction form as they both used for example 1/4,2/8 or even 25/100.

Evelyn gave a $3 tip to the person delivering her $15 pizza. What percent of the cost of the pizza was the tip that she paid?
WILL GIVE BRAINLIEST!! :)))

Answers

Answer: The answer is 20%

Step-by-step explanation: when you multiply 15 by .20 you get 3

The answer is 5% because 15 divided by .3 is 5%.

bob has 4 times as many stickers as tina. how many stickers does bob have in terms of x?

options:
x - 12
4x
x + 7
12 - x
x - 2/3
4 + x
7x

Answers

the answer should be 4x :)
The answer should be 4x

PLEASE HELP!! Calculate the slope of the line passing through the following two points: write your slope as a reduced improper fraction!

Answers

Answer:

1

Step-by-step explanation:

slope formula:

[tex]\frac{y_2-y_1}{x_2-x_1}\\\\=\frac{3-(-18)}{2-(-19)}\\=\frac{21}{21}=1[/tex]

The answer to your question is 1

HELP ASAP!!!!! Find the lateral surface area and the total surface area of each figure. round to the nearest tenth if needed. SHOW ALL WORK. (Will give brainliest for correct answer and explanation on what to do)+

Answers

Answer:

(1-2) LS = 288cm² TS = 378cm²

(3-4) LS = 1419.2 TS = 1673.5

(5) LS = 543 TS = 606

Step-by-step explanation:

(1-2)

7 1/2 = 7.5

7.5 x 15 = 112.5

9 x 12  ➗ 2 = 54

54 x 2 = 108

9 x 7.5 = 67 .5

(3-4)

3.14 x 81 = 254.3

(5)

9 x 15 = 135 x 2 = 270

15 x 7 = 105 x 2 = 210

9 x 7 = 63

(add)

Please help me, smart people

sincerely,
-not smart person

Answers

Aaaaaaaaaaaaaaaaaaaaaa

7-2(x-5)
....................

Answers

-2x+17......let me know if i’m right
-2x + 17 i think is the answer

A EZ one
......
(^.^) pt 3

Answers

Answer:

y=2x

Step-by-step explanation:

Answer:

y = 2x

because y is two times the amount of x

The answer to a division problem in David's homework was 12. Which of the following expressions might he have solved? Select ALL that apply.
A.
410÷45
B.
34÷23
C.
39÷23
D.
714÷77
E.
23÷412
F.
413÷67

Answers

none of those equal 12?
None of those equal 12. Answers below are rounded.

A= 9.11
B= 1.48
C=1.70
D= 9.27
E= 0.06
F=6.16

780,000 divided by 10=?

Answers

Answer:

the answer is 78,000

Step-by-step explanation:

your welcome

Just do this in your head,780/10=78 then add on the three zeros from 780000 that you didnt use. 78>>> 78000

Answer=78000

Quinton has an average resting heart rate of 70 beats per minute. When he runs, his heart rate increases by fewer than 50 beats per minute. If b represents his heart rate while running, which statements about the scenario are true? Check all that apply.
Pls hurry I am on a timer!

I will mark branllest!!!

Answers

What are the options ?

60.5 minus 15 percent
AND THE EXPLANATION PLEASE

Answers

You take 60.5 and multiply it by .15 to get 15% of 60.5. This will be 9.07500. You then do 60.5 - 9.07500. This = 51.42500

Hope this helps :)
Answer: 51.425
60.5 x (1 - 15%) = 51.425

Hopefully that helps!

Please help with this.

Answers

Answer:

neither, the slopes are the same

Step-by-step explanation:

Answer: I’m pretty sure it’s “the slope of function A is less than the slope of function B”

A, B, C, or D?
I can't think right now. My brain just won't work.

Answers

Answer:

D.

Step-by-step explanation:

All the other are about multiplication this one is about division quotient is the answer to a division problem.

Hope this helps! <3

Tom has a part-time job. On Wednesday, Tom earned $20.50, and on
Thursday he earned $36.21. On Friday, Tom earned twice as much as he
did on Wednesday. How much did Tom earn altogether for the three days?

Answers

Answer:

97.71

Step-by-step explanation:

Answer: $20.50 + $36.21

Step-by-step explanation:

$20.50 (Wednesday) + $36.21 (Thursday) = $56.71     Since Tom is getting twice as much he did on Wednesday ($20.50), we'll be doing this: $20.50 x 2 (which equals 41 or $41.00) and add it to $56.71

$56.71 + $41.00 = $97.71    So, this means that Tom earned $97.71 altogether for three days

what are facts about cross-sections (math)?

Answers

Answer: A cross section is the shape we get when cutting straight through an object.

Step-by-step explanation:

The shape we get when cutting straight through an object.

Four students set up a lemonade stand. At the end of the day, their profit is $17.52. How much money do they each have when the profit is split equally?

Answers

So each student gets $4.38 each when the profit is split equally

Answer:

$6

Step-by-step explanation:

7(x+6)
Distributive Property
will mark brainliest

Answers

7 because is it I do it and I know is correct

Answer:

7x + 42

Step-by-step explanation:

7(x + 6)

7x + 42

good luck, i hope this helps :)

brainliest if corerct

Answers

Step-by-step explanation:

[tex]2x + 2 = 3x - 52[/tex]

[tex]2 + 52 = 3x - 2x[/tex]

[tex]54 = x[/tex]

Answer:

54=x

if possible can u give me brainlist if correct

Step-by-step explanation:

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