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k0ka [10]
3 years ago
5

Perimeter of triangle:20

Mathematics
1 answer:
EleoNora [17]3 years ago
4 0
What do you want me to do
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Please help!! You will recieve 25 points if you answer correctly!
s344n2d4d5 [400]

When the graph rises one square for a run of one square, the slope is 2 km/(0.5 h) = 4 km/h. When the graph rises half that fast, the slope is 2 km/h. When the graph is horizontal, the slope is 0. The slope of the distance vs time curve is the speed.

  • S = 4 km/h, when 0 < t < 2 h
  • S = 0, when 2 h ≤ t < 2.5 h
  • S = 4 km/h, when 2.5 h ≤ t < 3 h
  • S = 0, when 3h ≤ t < 4 h
  • S = 2 km/h, when 4 h ≤ t < 5 h
8 0
4 years ago
24. Daniel bought a new car for $15,000. He also paid two fees for the car dealership: • $450 for an extended warranty • $275 fo
Vikki [24]
The amount of down payment is $1368.08.

We add the fees to the price of the vehicle:
15000+450+275 = 15725.

We take 100% of this number and add an additional 8.75% sales tax; 100+8.75 = 108.75; 108.75% = 108.75/100 = 1.0875:
1.0875(15725) = 17100.94

He paid 8% of this total as a down payment; 8% = 8/100 = 0.08:
17100.94*0.08 = 1368.08
8 0
3 years ago
What is the variance of the following data? If necessary, round your answer to two decimal places.
Assoli18 [71]
Definitely The answer B
3 0
3 years ago
Challenge Yael used to have a square garage with 370 ft ^2of floor space. She recently built an
Yuki888 [10]

Scale factor of area is the square of the scale factor of length

The required values are;

  • The length of one sides of the garage was originally approximately <u>19.2 ft.</u>
  • The length of one of the sides of the garage is now approximately <u>23.6 feet</u> long
  • The percentage increase in length is approximately <u>22.5 %</u>

Reason:

The given parameters are;

The area of the square garage = 370 ft.²

The area of the new garage has 50% more space

Required;

Part A

The initial side length

The initial side length, given to the nearest tenth, <em>s</em>, is the square root of the area, <em>A</em>, given as follows;

  • s = √(370 ft.²) ≈ 19.2 ft.

Part B

The side was increased by 50%, to give,

370 + 0.5×370 = 555

The new area of the garage = 555 ft.²

The side length of the new garage, s = √(555) ≈ 23.6

  • The side of the garage now is 23.6 ft.

Part C

The percentage increase is given as follows;

The \ percentage \  increase \ in \ length = \dfrac{New \ length - Initial \ length}{Initial \ length }

The \ percentage \  increase \ in \ length = \dfrac{\sqrt{555}  - \sqrt{370} }{\sqrt{370}  } \times  100 \approx 22.5 \%

  • The percentage increase in length of the side of the garage is approximately 22.5 %

Learn more here:

brainly.com/question/7639412

3 0
3 years ago
Which of the following tables represents a function?<br> A. *|- 11 -5 -4 1
tekilochka [14]

Answer: Option A

Step-by-step explanation:

A relation between two variables x and y is considered a function if and only if, for each input value x there is only one output value y.

If for an input value x_0 there are two output values y_1 and y_2 then the relation is not a function.

Therefore, to answer this question, identify the table in which each value of x has only one value of y.

You may notice that the option that meets this requirement is option A

Note that in option B, there are two output values 17 and 16 for x = -4.

So this relationship is not a function.

In option C there are 2 output values for x = -5

In option D there are 2 output values for x = -11

7 0
3 years ago
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