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algol13
2 years ago
11

Langston estimated the temperature to be 45°F . The thermometer showed the actual temperature to be 50°F. Complete the steps bel

ow to find the percent error of Langston’s estimate.
Mathematics
1 answer:
7nadin3 [17]2 years ago
3 0

The percentage error is 11.1%

<h3>What is percentage error?</h3>

Percentage error is simply the difference between the exact and the estimated values as a percentage

The given parameters are:

  • Estimate = 45
  • Actual = 50

The percentage error is then calculated as:

\% E = \frac{50 - 45}{45} \times 100\%

Evaluate the difference

\% E = \frac{5}{45} \times 100\%

So, we have:

\% E = \frac{500}{45} \%

\% E = 11.1\%

Hence, the percentage error is 11.1%

Read more about percentage errors at:

brainly.com/question/5493941

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Explain how a division problem is like an unknown factor?
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A division problem is unsolved, so it is an unknown factor until ithe problem is solved.
7 0
3 years ago
A lamp post with a height of 12 ft casts a shadow of 6 ft. A fire hydrant near it casts a shadow that is 1.5 ft long. How tall i
alex41 [277]

Answer:

3ft

Step-by-step explanation:

We are given that

Height of lamp, h=12ft

Height of shadow, l=6ft

Height of shadow of hydrant, l'=1.5ft

Let height of hydrant=h'

We have to find the height of fire hydrant.

All right triangles are similar

When two triangles are similar then, the ratio of their corresponding sides are equal.

Using the property

\frac{h}{h'}=\frac{l}{l'}

\frac{12}{h'}=\frac{6}{1.5}

h'=\frac{12\times 1.5}{6}

h'=3ft

Hence, the height of fire hydrant=3 ft

3 0
3 years ago
as Saturn revolves around the sun, it travels at a speed of approximately 6 miles per second. convert this speed to miles per mi
3241004551 [841]

Given:

Speed = 6 miles per second

If the Saturn revolves 6 miles in 1 second then the speed is:

\begin{gathered} In\text{ 1 second distance is 6 miles} \\ So\text{ in 60 second distance is =6}\times60\text{ miles} \\ =360 \end{gathered}

So speed in minutes is 360 miles per min.

In 3 minutes traveling distance is:

\begin{gathered} =360\times3 \\ =1080 \end{gathered}

3 0
1 year ago
What is the equation of a line that its parallel to -3x+4y=4 and passes through the point (4,0)?
anzhelika [568]

Answer:

y=3/4x-3

Step-by-step explanation:

Okay so to be parallel to an equation of another line, the line must have the same slope but a different y-intercept. First, you need to find the slope of the equation -3x+4y=4. The equation must be in y=mx+b format, so you first move -3x to the right by adding it on both sides, leaving you with 4y=3x+4. Next, you divide 4y by 4 in order to isolate y and do that on the other side. Now, you have y=3/4x+1.

To find the equation of the new line, you must put the point and slope into point slope form: y-y1=m(x-x1). In the point (4, 0), 4 would be x1 and 0 would be y1. so, the new equation is y-0=3/4 (x-4). now, distrubute the 3/4, leaving you with y=3/4x-3. This is correct since the slope remains the same in both equations with a different y-intercept. To check deeper, you could place point (4, 0) on a graph and then rise 3, run 4 until you get the line :) hope this helps

7 0
2 years ago
(look at image) can i get help on this?
BartSMP [9]

Answer:

1. angle 5 and angle 6 are not liner pair

2.yes angle 5 and 9 r linear pair.

3.no angle 5 and angle 8 are not linear pair

4.yes angle 5 and 8 are vertical angles

5.no angle 5 and angle 7 are not vertical angles.

6.no angle 9 and angle 6 are not vertical angles.

<em><u>please mark it as brainliest!!</u></em>

4 0
3 years ago
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