A student measures the mass of a lab sample as 2.7 grams. What is the percent error, given that the correct mass is 2.58 grams? Round to the nearest hundredth of a percent. I need it asap

Answers

Answer 1

Answer: 4.65%

Step-by-step explanation:

Answer 2

Answer:

4.65

Step-by-step explanation:

Its Kinda Hard tbh


Related Questions

13. How many square feet of flooring
are needed to
cover the entire floor of Bedroom 1?

Answers

Answer:

8 feet squared

Step-by-step explanation:

The area of bedroom 1 is 2 length and 3 width. multiply them and you get 6ft^2 plus the 2 squares on the right.

The area of Bedroom 1 is,

⇒ 32 feet²

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

To find square feet of flooring are needed to cover the entire floor of Bedroom 1.

Here, We have;

1 in = 4 feet

Hence, Length of bedroom 1 = 8 feet

Width = 4 feet

Thus, The area of Bedroom 1 is,

⇒ 8 x 4 = 32 feet²

Hence, The area of Bedroom 1 is,

⇒ 32 feet²

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This is easy but hard for me can someone help me ASAP please

Answers

Answer:

u have them all selected

Step-by-step explanation: but i thnk the answer is -3 and -1

45/g = 5/1

What's the answer for g

Answers

45/5=9
therefore g is 9

You are working on decorating your home for the holidays. You enjoy hanging lights and so far have invested in $75 worth of lights. You notice a sale that you can get strands of lights for $5 a box this week. Write an expression that describes your total investment (money spent) in lights, depending on how many boxes (b) you buy.

Answers

Answer:

Step-by-step explanation:

i=75+5b

The expression that describes the total investment(money spent) in light is 75+ 5(b)

What are word problems?

Word problems require the application of algebraic expression in solving real-life problems. It can be expressed with the use of variables and arithmetic operations.

From the given information:

The amount of money invested on lights = $75If a box (b) cost = $5

The total investment spent in light = 75 + 5b

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y= 3x – 6
y = -x + 2
Plot two lines by clicking the graph.

Answers

Answer: x=−2/17 and y=−6/17 look at the picture

Step-by-step explanation: hope this help :)

apple watch costs $325. There is an 8% sales tax rate. What is the total amount of tax in dollars and cents?

Answers

Answer:

$26.00

Step-by-step explanation:

no explination :D

Answer:

the tax would be 26

Step-by-step explanation:

What is the mean of the data set?
47, 25, 43, 33

Answers

Answer:

The mean is 47

Step-by-step explanation:

First, you want to add up all of the numbers.

47 + 25 + 43 + 33 = 148

Now, you want to divide what you got by how many numbers there are.

148/4 = 37

The mean is 47

   Mean of the terms given in the data set as {47, 25, 43, 33} (four terms) will be 37.

Calculations for the mean of a data set:  Mean of the terms given in a data set is represented by the avarage of the terms.

          Mean = [tex]\frac{\text{Total of the terms in a data set}}{\text{Numbers of the terms}}[/tex]

Total of the terms given in the the data set = 47 + 25 + 43 + 33

                                                                        = 148

Number of terms in the data set = 4

Substitute these values in the expression of the mean,

Mean = [tex]\frac{148}{4}[/tex]

          = 37

      Therefore, mean of the data set given in the question is 37.

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PLEASE HELP ON ALL, I WILL MARK BRAINLY

Answers

Step-by-step explanation:

4.

3pounds for $6.99

a.

1 pounds =$6.99/3=$2.33

b.

10 pounds =10×$2.33=$23.3

10.

area right triangle =1/2 bh=1/2 ×{50×30}=750mm²

Please help me it’s due today

Answers

Answer:

1.) slope=6/2 or 3 y-int =2 equation = y=3x+2

2.) slope = -10/1 or -10 y-int = 60 euation = y=-10x+60

Step-by-step explanation:

Slope is rise over run

y-intercept is when x =0

equation is y=mx+b

m=slope and b=y-int

HELP HELP HELP HELP FAST

Answers

Answer:

[I didn't do it right]

Step-by-step explanation:

[Deleted since it has been said to be wrong and I would not like to spread misinformation]

good at math & need points? help!!

Answers

Answer:

D

Step-by-step explanation:

A number decreased by fourteen is equal to eighteen

Answers

Answer: 32

Step-by-step explanation:add 14 to 18

Answer:

32

Step-by-step explanation:

32 is the answer because 18 plus 14 equals 32. And so the number 32 decreased by 14 is 18.

Suppose you invest $2000 at an annual interest of 5.5% compounded continuously.
a. How much will you have in the account in 10 years?
b. How long will it take for the account to reach $5000?

Answers

Answer:

[tex]2000 \times {1.055}^{10} = 3416.29[/tex]

[tex]5000 \div 2000 = 2.5[/tex]

[tex] log_{1.055}(2.5) = 17.11[/tex]

Helpppp me plzzzzzzzzzz

Answers

Answer:

it is correct

Step-by-step explanation:

trust ur gut

Answer:

you have to correct answer

Step-by-step explanation:

just convert the square roots and fractions to whole numbers and then put them from least to greatest

PLZZZ HELP ME!
help me

Answers

Answer:

1. 1/3

2. 4/9

3. 5/8

Step-by-step explanation:

1. 3/6 - 1/6 = 2/6 = 1/3

2. 7/9 - 3/9 = 4/9

3. 7/8 - 2/8 = 5/8

If 12m of carpet costs €516, find the cost of 16m

Answers

Step-by-step explanation:

Cost of 12m carpet = €516

cost of 1 m carpet = €516/ 12 = € 43

Now

cost of 16m carpet = € 43 * 16 = € 688

[tex]hope \: it \will \: help \: u[/tex]

Divide 516 by 12 then multiply by 16

Jamal drew a picture.
8 cm
4 cm
What is the area of the picture Jamal drew? Enter the answer in the box.

Answers

area of rectangle = l×b

So, area of drawing = l×b = 8cm×4cm = 32cm²

Enter the number that makes the equation true

Answers

Answer:

8.1

Step-by-step explanation:


Number 2 is the question

Answers

Answer:

C:2 gallons per minute

Step-by-step explanation:

Answer:

The answer is two gallons per minute.

Step-by-step explanation:

The gallons are always double the minutes. This means that there are 2 gallons per minute.

-4x-12<12 this is equations and inequalities and I really need help LOL

Answers

Answer:

[tex]x>-6[/tex]

Step-by-step explanation:

[tex]-4x-12<12[/tex]

[tex]-4x-12+12<12+12[/tex] (Add [tex]12[/tex] to both sides of the inequality to isolate [tex]x[/tex])

[tex]-4x<24[/tex] (Simplify)

[tex]\frac{-4x}{-4}<\frac{24}{-4}[/tex] (Divide both sides of the inequality by [tex]-4[/tex] to get rid of [tex]x[/tex]'s coefficient)

[tex]x>-6[/tex] (Simplify, don't forget to flip the sign of the inequality when multiplying or dividing by a negative number)

Hope this helps!

what is 0.0402 as a percent

Answers

Answer:

4.02%

Step-by-step explanation:

0.0402×100=4.02%

Answer:

4.02%

Step-by-step explanation:

Please help me and make it right..

Answers

Answer:

1/4

Step-by-step explanation:

3/4 is also equal to 6/8. And 1/2 is also equal to 4/8.

So the order would be 6/8, 5/8, 4/8, 3/8 and then 2/8. Which would simplify to 1/4.

Answer:

1/8 ????

Step-by-step explanation:

dont put this im not really sure sorry :(

PLZZZ HURRY!

Cassie has a wood board that is 34 foot long. She wants to cut the board into pieces that are 18 foot long. Which expression will help Cassie find how many pieces she can cut?

A. 34−18

B. 34÷18

C. 18⋅34

D. 18÷34

Answers

Answer:

B

Step-by-step explanation:

The answer is 3/4 divided by 1/8

Which equation matches the graph?

Answers

Answer:

A.

Step-by-step explanation:

The Y-intercept is 3 so C and D are automatically are wrong because their Y intercept is 2.

The slope is 2x because you count the points that the line goes through.

For example: From (-1,1) count up and right until you get another point,

count using [tex]\frac{Rise}{Run}[/tex] the rise of this equation is 2 and the run is 1 so [tex]\frac{2}{1} = 2\\[/tex]

Rise = Vertical

Run = Horizontal

Because the slope is increasing the slope is positive meaning B is incorrect because it's slope is negative.

Hope this was clear and helped you out!

The equation that matches the graph is y = -2x + 3

A linear equation is in the form:

y = mx + b;

where y, x are variables, m is the slope of the line and b is the y intercept

The line passes through the point (0, 3) and (-1.5, 0). Hence:

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-3=\frac{0-3}{1.5-0} (x-0)\\\\y=-2x+3[/tex]

The equation that matches the graph is y = -2x + 3

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A bag contains 21 coins consisting of nickles and dimes. The total value of the coins is $1.70.
Write a system of equations that models this situation. How many nickels are in the bag?

Answers

Answer:

8

Step-by-step explanation:

x = nickles

y = dimes

0.05x + 0.10y = 1.70

x + y = 21

y = 21 - x

0.05x + 0.10 (21 - x) = 1.70

0.05x - 0.10x + 2.10 = 1.70

-0.05x + 2.10 = 1.70

-0.05x = -0.40

x = 8

There are 18 girls in Mr. Brimley's math class. If 40% of the students are girls, what is the best estimation for the number of boys in the class?

Answers

Answer:

27 boiz

Step-by-step explanation:

27 boys are in the math class

Choose the graph of y = -3x – 1

Answers

Answer:

The line on the graph below is my answer.

The graph of function y = -3x – 1 has been drawn below.

How to plot a graph?

A graph is a diagram that shows the fluctuation of one variable in relation to one or more other variables.

In order to plot the graph, we need to find out y's values corresponding to x's value

After that, we need to substitute the values of x's and y's into the coordinate geometry.

Given the line equation  y = -3x – 1

At x = 0 ⇒

y = -3(0) - 1

y = -1

So,

A(0,-1) is the first point on the line.

At y = 0 ⇒

0 = -3x – 1

x = -1/3

So,

B(-1/3,0) is the second point on the line.

Hence "The graph of function y = -3x – 1 has been drawn below".

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What is the to m(3 +m)

Answers

Answer:

3m+m^2

Step-by-step explanation:

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

Which rule describes the composition of transformations that maps figure ABCDE to figure A" B" C" D" E"?​

Answers

Answer:

It would be the fourth choice.

Step-by-step explanation:

To get ABCDE to A'B'C'D'E', you need to reflect the shape across line M. Then to go from A'B'C'D'E' to A''B''C''D''E'', you need to rotate about point C 180⁰.

It was first reflected across the x axis which would be line m. And since point c is the same place for the two bottom images , after the reflection it was rotated on point c.

The answer should be the 4th choice

x varies inversely as y/z.x=27 when y=9 and z=2​

Answers

Answer:

y/z.x= 27

x=27.2/9

x=6

answer of it

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