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Levart [38]
3 years ago
10

Jordan estimated that his paper airplane would fly 42 feet. It actually traveled 50 feet. What was the percent error?

Mathematics
1 answer:
topjm [15]3 years ago
6 0

\huge \mathcal{ Answer࿐}

  • Error (e) = 50 - 42 = 8 feet

  • assumed value (a) = 42 feet

\boxed{ \mathrm{ \% \: error =  \dfrac{error}{assumed \: value}  \times 100}}

  • \mathrm{ \% \: error  =\dfrac{8}{42}}  \times 100

  • \mathrm{ \% \: error  = \dfrac{800}{42} }

  • \mathrm{ \% \: error  = 19.04 \%}

_____________________________

\mathrm{ \#TeeNForeveR}

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Shaniya owns a company that rents cars called Car Go. The following bar graph summarizes the type of
Alexxandr [17]

Answer:

The probability of a van getting rented next is 25%.

Step-by-step explanation:

  • The graph is attached

Probability Formula:

  • number of favorable outcomes / the total number of outcomes

Given Information:

  • Number of cars sold : 8
  • Number of vans sold : 5
  • Number of trucks sold : 4
  • Number of motorcycles sold : 3

Calculations:

  • number of favorable outcomes = 5 (number of vans sold)
  • total number of outcomes = 20 (8 + 5 + 4 + 3)
  • number of favorable outcomes / the total number of outcomes
  • 5/20 = 1/4

Probability of a van getting rented: 1/4 or 25%

8 0
3 years ago
A square has a perimeter of 12x 52 units. which expression represents the side length of the square in units? x 4 x 40 3x 13 3x
d1i1m1o1n [39]

The expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.

<h3>What is the perimeter of a square?</h3>

The measure of the boundary of the sides of a square is called its perimeter. The perimeter of a square is 4 times the side of the square.

P=4a

Here, (<em>a</em>) is the side of the square.

A square has a perimeter of 12x +52 units. The perimeter of a square is 4 times the side of the square. Thus, the side of this square is,

P=4a\\12x +52=4a\\a=\dfrac{12x +52}{4}\\a=\dfrac{4(3x +12)}{4}\\a=3x+12

Thus, the expression which represents the side length of the square which has perimeter of 12x 52 units is 3x+12 units.

Learn more about the perimeter of the square here;

brainly.com/question/25092270

7 0
2 years ago
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denpristay [2]
B is the correct answer
4 0
3 years ago
Read 2 more answers
Please help!!!<br><br> find y and x
andrew11 [14]

Answer:

  a)  y = 16/x²

  b)  x = 4/5

Step-by-step explanation:

You want the equation for y in terms of x when y is inversely proportional to the square of x, and y is 16 when x is 1. Further, you want the value of x when y is 25.

<h3>(a) Relation</h3>

The wording "inversely proportional to the square" means the form of the equation is ...

  y = k/x² . . . . . . where k is the constant of proportionality

The value of k can be found from the given (x, y) pair.

  k = x²y = (1)²(16) = 16

The equation is ...

  y = 16/x²

<h3>(b) Value of x</h3>

Solving for x gives ...

  x = √(16/y)

Then the value of x for y = 25 is ...

  x = √(16/25)

  x = 4/5

5 0
2 years ago
How do you graph x-y-3=0
Neko [114]

Answer:

see explanation

Step-by-step explanation:

To graph the line, we require 2 points

Find the intercepts, that is where the graph crosses the x and y axes

To find the x- intercept let y = 0 in the equation and solve for x

x - 3 = 0 ( add 3 to both sides )

x = 3 ⇒ (3, 0 ) ← x- intercept

To find the y- intercept let x = 0 in the equation and solve for y

- y - 3 = 0 ( add 3 to both sides )

- y = 3 ( multiply both sides by - 1 )

y = - 3 ⇒ (0, - 3 ) ← y- intercept

Plot the points (3, 0) and (0, - 3) and draw a straight line through them

4 0
3 years ago
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