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velikii [3]
3 years ago
8

Which of the following steps were applied to ∆ABC obtain ∆A'B'C'?

Mathematics
1 answer:
Assoli18 [71]3 years ago
8 0

here we have given two triangles ABC and A'B'C'

we know that triangle A'B'C'is formed by shifting triangle

ABC

we need to find by how may units it shifted toward across and down

here we seen from x axis it has shifted toward 4 units left side and y axis by u nits down .

so the option D is correct answer

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Please help!!! I'll mark you brainiest and give you as many Points as possible!!!!!
Vlada [557]

Answer:

Option C

Step-by-step explanation:

f(x) = 40( \frac{1}{4} )^{x}

5 0
3 years ago
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What is the area of the figure?
Vanyuwa [196]

Answer: 42.5 m

Step-by-step explanation:

Split the figure into a rectangle and a triangle.

Find the areas of the rectangle and the triangle seperately and add them together.

Rectangle: 7 x 5 = 35

Triangle: 5 x 3/2 = 7.5

35+7.5= 42.5m

8 0
3 years ago
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Flying against the wind, an airplane travels 7520 kilometers in 8 hours. Flying with the wind, the same plane travels 6500 kilom
bezimeni [28]

Answer:

Rate of plane in still air = 1120 km/h

Rate of wind = 180 km/h

Step-by-step explanation:

Let the rate (speed) of the plane in still air = u km/h

Let the rate (speed) of the wind = v km/h

Formula for speed is:

Speed = \dfrac{Distance}{Time}

Given that against the wind, airplane travels 7520 km in 8 hours.

The speed against the wind will be slower so,

Against the wind, speed = (u -v ) km/h

Using above formula:

(u-v) = \dfrac{7520}{8} km/h\\(u-v) = 940 km/h ..... (1)

Given that with the wind, airplane travels 6500 km in 5 hours.

The speed with the wind will be faster so,

With the wind, speed = (u +v ) km/h

Using above formula:

(u+v) = \dfrac{6520}{5} km/h\\(u+v) = 1300 km/h ..... (2)

Adding (1) and (2) to solve for u and v:

2u = 2240\\\Rightarrow u = 1120\ km/h

Putting u in (1):

1120-u=940\\\Rightarrow u = 180\ km/h

So, the answers are:

<em>Rate of plane in still air = 1120 km/h</em>

<em>Rate of wind = 180 km/h</em>

<em></em>

6 0
3 years ago
Use a graphing calculator or online application to find the solution to 3^-x = x^3 + x to the nearest tenth. The solution is app
Naddika [18.5K]

Answer:

x = 0.5 to the nearest 1/10.

Step-by-step explanation:

3^-x = x^3 + x

y = x^3 - 3^-x + x = 0

Using a graphing calculator to draw the graph of the above:

The graph crosses the x-axis at x = 0.4798

4 0
3 years ago
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(worth 100 points) Miguel is organizing his collection of sports memorabilia into glass display cases. He wants to cover each si
AlladinOne [14]

Answer:

4240 inches²

Step-by-step explanation:

In order to find the amount of film needed, we have to find the surface area of this cuboid.

  • Formula to Find Surface Area of Cuboid: 2(wl+hl+hw), where w = width, l = length, and h = height.

Now, let's solve!

  • 2(36*25+20*25+20*36)  
  • 2(900+500+720)
  • 2(2120)
  • 4240

Therefore, the answer is 4240 inches².

8 0
3 years ago
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