Ms. Marcus estimates that 330 people will attend the school play. There was an actual total of 400 people who attended the school play. Find the percent of error.

Answers

Answer 1

Answer:

17.5%

Step-by-step explanation:

Subtract one value from the other. (i does not matter the sign)  

 400 − 330 = 70, so his error is 70

Now  find the Percentage Error:

Divide by the exact value and make it a percentage:

70/400 = 0.175 = 17.5%

Answer 2
400 - 330 = 70 (difference)
p/100*400 = 70
p/100 = 70/400
p/100 = 0.175
p = 0.175*100 = 17.5% (percent of error)

Related Questions

which shapes have 2 obtuse angles

Answers

Answer: Trapezoid

Step-by-step explanation:

Answer:

Step-by-step explanation:

Trapezoid square and the down right all the way

PLS HELP ASAP I DONT NNOW HOW TO DO THIS

Answers

Answer:

I think you do know how because where the point is now is correct!!

Evaluate a+4a+4a, plus, 4 when a=7a=7a, equals, 7

Answers

The evaluation of the expression a + 4 when a = 7 is 11

How to evaluate the expression

From the question, we have the following parameters that can be used in our computation:

Expression: a + 4

Value a = 7

Substitute the known values in the above equation, so, we have the following representation

a + 4 = 7 + 4

Evaluate the like terms in the equation

So, we have the following representation

a + 4 = 11

Using the above as a guide, we have the following:

The solution is 11

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Jayden has been reading a 275275275-page book for English class. On average, he has read about 101010 pages in 151515 minutes (\text{min})(min)(, start text, m, i, n, end text, ). With a deadline looming, Jayden realizes that he won't finish in time unless he skims through the rest of the book. If he skims the book, he can cover 151515 pages in 10\,\text{min}10min10, start text, m, i, n, end text. If it takes Jayden 555 hours and 50\,\text{min}50min50, start text, m, i, n, end text to finish the book (reading and skimming combined), how many pages did Jayden have to skim through

Answers

Jayden had to skim through an amount of 75 pages, in the given word problem.

What is word problem?

A word problem is a few sentences that describe a "real-life" scenario in which a problem must be solved using a mathematical calculation.

Word problems are regarded as an important part of the primary curriculum because they require children to apply their knowledge of various concepts to'real-life' scenarios.

Let S = no. of skimmed pages

Let R = no. of read pages

Then S + R = 275

So R = 275 - S

Reading rate = 15 min/10 pages

Skimming rate = 10 min/15 pages

Total time to finish book = 350 min

So,

(R)(Reading rate) + (S)(Skimming rate) = 350 minutes

Substituting the values:

(275-S)(15/10) + (S)(10/15)=350

Multiplying equation through by 30 yields:

12375 - 45S + 20S = 10500

Combine terms

1875=25S

S = 75

Thus, Jayden had to skim through an amount of 75 pages.

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Sherry can make 5 pies in 4 hours How many hours does it take sherry to make 16 pies?

Answers

Answer:

20 pies

4+4+4+4=16 hours

5+5+5+5= 20 pies

hope this helped

Step-by-step explanation:

find four consecutive odd integers such that 4 times the sum of the first and third is 4 larger than 4 times the fourth

Answers

The four consecutive odd integers = 15, 17, 19, 21

What are integers ?

Positive, negative, and zero are all examples of integers.

The Latin word "integer" signifies "whole" or "intact."

As a result, fractions and decimals are not included in integers.

All whole numbers and negative numbers are considered integers.

This means that if we combine negative numbers with whole numbers, a collection of integers results.

An integer, which can comprise both positive and negative integers, including zero, is a number without a decimal or fractional portion.

Here are a few instances of integers: -5, 0, 1, 5, 8, 97, and 3,043. a collection of numbers, denoted by the symbol Z.

According to our question-

First digit: x

Second digit: x + 2

Three-digit number Equals x + 4

Fourth digit: x + 6

The difference between the opposite of the third and the first two sums up to 55.

x + x + 6 = -(x + 4) + 55

x + x+6 = (-x - 4) + 55

2x + 6 = -x + 51

assemble similar terms

2x + x = 51 - 6

3x = 45

x = 15

Therefore,

First digit: x = 15

Second digit: 15 + 2 + x = 17

Third number: 15 + 4 + 4 = 19

Fourth digit: x+6 = 15+6 = 21

The four odd numbers in a row equal 15, 17, 19, and 21.

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10
y
is directly proportional to
x
2
.
If
y
=
8
when
x
=
2
find
x
when
y
=
50

Answers

Answer:

Y=50 , working shown below with process which works for any question of this type

Step-by-step explanation:

I don't know help! image of the question is below

Answers

The value of x from the given triangle is 7√2 units.

What are trigonometric ratios?

The sides and angles of a right-angled triangle are dealt with in Trigonometry. The ratios of acute angles are called trigonometric ratios of angles. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

From the given triangle, one of the angle in right angle triangle is 45°, opposite side is 7 units and hypotenuse is x units.

We know that, sinθ =Opposite/Hypotenuse

sin45°=7/x

1/√2=7/x

x=7√2 units

Therefore, the value of x is 7√2 units.

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Write a rule to describe each reflection.

Rule:r(?) (x,y)=(?)

Answers

Answer:

1. reflection across the x-axis (x, y) = (x, -y)

2. reflection across the y-axis (x, y) = (-x, y)

Hope this helps!

A bookcase is 3 feet high and 3 feet wide. Two braces are going to be built to diagonally cross the back of the case. How long is the piece of wood that is needed to build each brace?

Answers

The length of each piece of wood needed to build each brace of the bookcase will be 4.24 feet.

Based on the dimensions, the shape of bookcase is square. So the diagonal of the bookcase will be calculated from the formula -

Diagonal = ✓side² + side²

Keep the values in formula to find the value of diagonal

Diagonal = ✓ 3² + 3²

Taking square on Right Hand Side of the equation

Diagonal = ✓9 + 9

Performing addition on Right Hand Side of the equation

Diagonal = ✓ 18

Finding square root on Right Hand Side of the equation

Diagonal = 4.24 feet

Thus, each diagonal will be 4.24 feet.

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Each week Sara's science teacher gives a 15-point quiz.
Her current scores are shown in the table.

What is Sara's mean quiz score?

Answers

Answer: Sara's mean quiz score is 12

Step-by-step explanation:

Mean is the Sum of the Terms divided by the number of terms.

If we add up every score we get 60, we then will divide this by how many scores there were (5).

60/5 = 12

Priya collected 2,400 grams of pennies in a fundraiser. Each penny has a mass of 2.5 grams. how much money did Priya raise? Help please its due tomorrow!!!

Answers

There are 100 pennies in 1 dollar, so Priya collected 2400/2.5=<<2400/2.5=960>>960 pennies.

This means Priya raised 960/100=$<<960/100=9.60>>9.60. Answer: \boxed{9.60}

what is x^2(2x^2+8)?

Answers

Answer:

2[tex]x^{4}[/tex] + 8[tex]x^{2}[/tex]

Step-by-step explanation:

[tex]x^{2}[/tex](2[tex]x^{2}[/tex] + 8)  When you are multiplying powers that have the same bases, you add the exponents.

x^2(2x^2+8) = 2x^4 + 8x^2



x^2(2x^2+8)
= x^2 * 2x^2 + x^2 * 8
= 2x^4 + 8x^2

Issa jogged two-thirds of the way home from school. Then he was tired, so he walked the remaining 3{,}200\text{ m}3,200 m3, comma, 200, start text, space, m, end text. how many kilometers did issa travel from school to his house

Answers

The distance Issa travelled from school to his house is 9.6 km.

What is the distance travelled?

The actual length covered by the body is defined as distance travelled, whereas displacement is the straight path between the initial and final points.

Here,

Let the total distance between school and home be 'x' meters.

Issa jogged two-thirds of x = 2x/3

So the total distance between school and home is = 2x/3 + 3200

However, the total distance from school to home = x

= 2x/3 + 3200 = x

= 3200 = x/3

= 9600 = x

As a result, the total distance from school to home is 9600 meters.

We're now converting it to kilometers.

We know that 1000 meters equals one kilometer.

9600 meters = 1/1000 x 9600

= 9.6 kilometers

Therefore the distance travelled will be 9.6 km.

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I need help on solving this

Answers

Answer:

Irrational

Step-by-step explanation:

it equals 6.7 which is not a perfect square

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

A

Step-by-step explanation:

ez

tx is the finder of the anser

3x-6y=9
x=2y+3

SOMEONE HELP ME SOLVE THIS STEP BY STEP TY

Answers

Answer:

0=0

infinitely many solutions

Step-by-step explanation:

plug x=2y+3 as x into 3x-6y=9...so

3(2y+3)-6y=9, which has our x=2y+3 plugged in because that is what x equals

if you solve its

6y+9-6y=9

0y=0

y=0

making it 0=0

you can't go further from this

I need help on this hhhhhhhh​

Answers

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{\dfrac{10^{15}}{10^4}}[/tex]

[tex]\mathsf{10^{15}}\\\mathsf{=10\times10\times10\times10\times10\times10\times10\times10\times10\times10\times 10\times10\times10\times10\times10}\\\mathsf{= \boxed{\bf 1,000,000,000,000,000}}[/tex]

[tex]\mathsf{\dfrac{\bold{1,000,000,000,000,000}}{10^4}}[/tex]

[tex]\mathsf{10^4}\\\mathsf{= 10\times10\times10\times10}\\\mathsf{10\times10=\bf 100}\\\mathsf{100\times100}\\\mathsf{= \boxed{\bf 10,000}}[/tex]

[tex]\mathsf{\dfrac{1,000,000,000,000,000}{\bf 10,000}}[/tex]

[tex]\mathsf{\dfrac{1,000,000,000,000,000}{10,000}}\\\\\mathsf{= 1,000,000,000,000,000\div 10,000}\\\\\mathsf{= \boxed{\bf 100,000,000,000}}[/tex]

[tex]\mathsf{10^{11}}\\\mathsf{10\times10\times10\times10\times10\times10\times10\times10\times10\times10\times10}\\\mathsf{= \boxed{\bf 100,000,000,000}}[/tex]

[tex]\mathsf{100,000,000,000= 100,000,000,000= 10^{11}}[/tex]

[tex]\boxed{\boxed{\large\text{Answer: BASICALLY }\mathsf{\dfrac{10^1^5}{10^4}\large\text{ is EQUAL to or EQUIVALENT to}}}}\\\boxed{\boxed{\mathsf{10^{11}}\large\text{ because they both give you the result of \bf 100,000,000,000}}}\huge\checkmark[/tex]

[tex]\large\textsf{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

ILL BRAINLIEST YOU PLEASE HELP ME

Answers

Answer:

a) 5.6

Step-by-step explanation:

sin 22° = x/15

0.3746 = x/15

x = 5.62

Plot all of the points of the reflected figure.
You may click a plotted point to delete it.
y
-10 9 8 7 6 5
-4 3
-2
-1
10
9
8
7
6
сл
2

$
co
4
-5

19
N
3
4
5
6
7
8 9
10
-x

Answers

Just re dot the points like mirror it on where ever on the graph

How do you plot a reflection on a point?

Use the same x-coordinate and the y-opposite coordinate's to reflect a point on the x-axis. Use the same y-coordinate and the x-opposite coordinate's to reflect a point on the y-axis.

A point can be reflected in the x-axis, y-axis, or both axes.

Due to identical x-coordinates and opposing y-coordinates, the red spots on the x-axis are mirror reflections of one another. Thus, in opposing directions and 3 units away from the x-axis, are the red spots. A reflection in the x-axis is shown by the red spots.

Due to the identical y-coordinates and opposing x-coordinates, the blue spots on the y-axis are mirror reflections of one another. the blue points are thus

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Becky buys 3 1/2 kilograms of cheddar cheese and 1 kilogram of Swiss cheese. There are 1,000 grams in 1 kilogram. How many grams of cheese does Becky buy?
1.) 450
2.) 4,120
3.) 412
4.) 4,500
help me, thanks

Answers

Answer:option 4. 4,500

Step-by-step explanation:

sense  1k= 1,000 g.......S =1 CC=3 1/2= 500 3=4 = 4,500

have an amazing day hope this helpsss<3

Mrs. Katz’s science class has spherical beakers that measure 14 centimeters in diameter. If Mrs. Katz wants to fill the sphere, what is the volume in cubic centimeters that she can fit into the beaker? round your answer to the nearest hundredth.

Answers

The volume of the spherical beaker is 1436.76 cubic centimeters

How to determine volume a spherical beaker?

In order to determine the volume the spherical beaker, you need the formula for the volume of a sphere.

The volume of sphere is given by the formula:

Volume of sphere = 4/3 πr³

where r is the radius of the sphere

Since the spherical beaker that measure 14 centimeters in diameter. The radius of the beaker will be:

radius = 14/2 = 7 cm

Volume of the spherical beaker =  4/3 × π × 7³

Volume of the spherical beaker = 1436.76 cubic centimeters

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4^n + 1 , Where n is a natural number , will

A) definitely be an odd no.

B) definitely be an even no.

C) definitely be a multiple of 5

D) be odd if n is odd and be even if n is even

Answers

Answer:

a) will definitely be an odd number

Step-by-step explanation:

4^n is always even (when you multiply even and even number, the product is always even)

when you add one to even number, the sum is always odd

so 4^n +1 is odd.

Write the phrase as an expression.
7 fewer than a number s
An expression is

Answers

Answer:

u just do a variable minus 7

s-7=

Mike is saving money for a new bike that costs $180.00
​​
​If represents the amount of money he has saved ​so far, which expression represents the amount of money,​in dollars, he still needs to save?
A
180+m180+m180+m
B
180−m180-m180−m
C
180×m180\times m180×m
D
180÷m180\div m180÷m

Answers

Answer: B

Step-by-step explanation:

B) 180−m180-m180−m

The diameter of a circle is 3 miles what is the circumference?

Answers

Answer:

9.42

Step-by-step explanation:

Circumstance is 2*pi*r =2 *3.14*1.5

r=d/2=3/2=1.5

Answer:

Circumference= 2πr

raduis is half of the diameter so the radiuse is 1.5miles.

2 x 3.14 x 1.5= 9.42

The circumference is 9.42 miles.

You install 580 feet of fencing along the perimeter of a rectangular yard. The width of the yard is 144 feet. What is the length of the yard?

Answers

Answer:   146 feet

==========================================================

Explanation:

P = 580 is the perimeter of the rectangleW = 144 is the widthL = unknown length

The units for each are in feet.

The formula tying together all three variables is

P = 2(L+W)

which is the same as saying

P = 2L+2W

We can think of it having two copies of L and two copies of W, four sides total, added together to get the full perimeter.

I'll go with the first version. Plug in the given values and solve for L

P = 2(L+W)

2(L+W) = P

2(L+144) = 580

L+144 = 580/2

L+144 = 290

L = 290-144

L = 146 feet is the length

---------------

We can confirm this by saying

P = 2(L+W) = 2(146+144) = 2*290 = 580

Or we could say

P = 2L+2W = 2*146+2*144 = 292+288 = 580

or,

P = L+W+L+W = 146+144+146+144 = 580

In AUVW, u = 5.8 inches, ZW=77º and ZU=87º. Find the length of u, to the nearest
10th of an inch

Answers

Answer:

5.8 ?

Step-by-step explanation:

It says it's 5.8 right there, I think you might have a typo :)

(iv)The ratio of 5m to 150cm is ________.

Answers



Explanation- Convert 5 m to centimeters=500cm

= 500cm:150cm

Than you have to find any table that goes into them..... Answer-10:3

Hope this helps

The sum of two consecutive odd numbers is 20 and their difference is 2. Find the two numbers​

Answers

Answer:

9 and 11

Step-by-step explanation:

let the consecutive odd numbers be n and n + 2, then

n + n + 2 = 20

2n + 2 = 20 ( subtract 2 from both sides )

2n = 18 ( divide both sides by 2 )

n = 9 and n + 2 = 9 + 2 = 11

The 2 numbers are 9 and 11

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