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anastassius [24]
2 years ago
10

What effect will a translation 3 units down and 2 units left have on the polygon? Be sure to address how it could impact the ang

les, side lengths, and congruency between the original pre-image and the image.
Mathematics
2 answers:
Tanzania [10]2 years ago
8 0
For the answer to the question above, when you carry your jewelry box or your phone 3 floors down 
and 2 miles to the left, the angles and side lengths don't change, 
and it still looks exactly the same as it did before you picked it up 
and moved it.

Translation can't change angles or lengths.  And if those don't 
change, then the later shape is congruent to the earlier shape.
Nata [24]2 years ago
6 0

Answer:

For the answer to the question above, when you carry your jewelry box or your phone 3 floors down  

and 2 miles to the left, the angles and side lengths don't change,  

and it still looks exactly the same as it did before you picked it up  

and moved it.

.

Step-by-step explanation:

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In 2.5 hours, Mr. Castelli drives a distance of 125 miles. He wants to know his average driving speed in meters per minute. Comp
xeze [42]
Okay. So we'll start off by talking about miles per hour. Me. Castelli drove 125 miles in 2.5 hours. Divide 125 and 2.5 hours and you see that he drove 50 miles (81 kilometers) in one hour. 1,000 meters are in 1 meter, and 1,000 * 81 = 81,000. So he drives 81,000 meters in 1 hour. To find meters per minute, you divide 81,000 by 60, and you'll get 1,350 meters per minute. Here it is written for you to understand it better:
Miles per hour: 50
Kilometers per hour: 81
Meters per hour: 81,000
Meters per minute: 1,350
3 0
2 years ago
Mary is a scientist. Using a microscope, she looks at a salt crystal and discovers it is shaped like a cube. Each square face ha
Annette [7]
<h2>Explanation:</h2>

A cube is a prism whose sides all have the same length. You can think of a cube like the three dimensional version of a square. In this problem, we know that Mary is using a microscope in order to look at a salt crystal and discovers it is shaped like a cube. Each square face has side length:

s=0.1mm

This diagram is shown in the first figure below. A crystal's square face is one of the six faces of the cube. So in order to draw it we need to know how many units we'll have in each side. Since we know that 1 unit on the grid represents 0.01mm, then:

No. \ units=\frac{0.1mm}{0,01mm}=10

So we will have 10 units that measure 0.01mm in each side. This is shown in the second figure below.

5 0
2 years ago
Read the word problem below. Chan rows at a rate of eight miles per hour in still water. On Wednesday, it takes him three hours
Romashka-Z-Leto [24]

Answer:

its A

Step-by-step explanation:

i literally just took the test

3 0
2 years ago
F(x)=x2−x−1f, left parenthesis, x, right parenthesis, equals, x, squared, minus, x, minus, 1 What is the average rate of change
Alexandra [31]

Answer: The average rate of change = -1

Step-by-step explanation: Please find the attached file for the solution

5 0
2 years ago
In a sample of 100 steel canisters, the mean wall thickness was 8.1 mm with a standard deviation of 0.5 mm. Someone says that th
Travka [436]

Answer:

This statement can be made with a level of confidence of 97.72%.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 8.1 mm

Standard Deviation, σ = 0.5 mm

Sample size, n = 100

We are given that the distribution of thickness is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Standard error due to sampling:

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{0.5}{\sqrt{100}} = 0.05

P(mean thickness is less than 8.2 mm)

P(x < 8.2)

P( x < 8.2)\\\\ = P( z < \displaystyle\frac{8.2 - 8.1}{0.05})\\\\ = P(z < 2)

Calculation the value from standard normal z table, we have,  

P(x < 8.2) =0.9772 = 97.72\%

This statement can be made with a level of confidence of 97.72%.

8 0
2 years ago
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