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Alexus [3.1K]
4 years ago
13

What is the scale factor from figure a to figure b

Mathematics
1 answer:
Vlad1618 [11]4 years ago
7 0
It would be 4 because if you multiply each of the numbers from figure a the outcome would be factorable
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Help please asap. Also please teach how to do this type of problem
lana [24]

Answer:

64m^{2}

Step-by-step explanation:

  • TSA (total surface area) of cuboid= 2(lw+wh+hl)

and the problem said one small cube with 1m width that means it also has 1m length and height

so lets count the cubes for the height, length and width

  1. Height contains 4 cubes (4m)
  2. Length contains 4 cubes also (4m)
  3. Width contains 2 cubes (2m)

Now lets put the givens we got from the figure in the formula of TSA

2*(4*2+4*2+4*4)=64

5 0
4 years ago
Show that y=2e^(−x) cos(x)−e^(−x) sin(x) is a solution to y''+2y'+2y=0.
lara31 [8.8K]

Answer:

see below

Step-by-step explanation:

y' = -2e⁻ˣcos(x) -sin(x)2e⁻ˣ +e⁻ˣsin(x)-cos(x)e⁻ˣ = e⁻ˣ(-2cos(x)-2sin(x)+sin(x) -cos(x))

=e⁻ˣ(-3cos(x)-sin(x))

y'' = -e⁻ˣ(-3cos(x)-sin(x)) + (3sin(x)-cos(x))e⁻ˣ

y'' = e⁻ˣ[3cos(x)+sin(x) + 3sin(x)-cos(x)] = e⁻ˣ[2cos(x)+4sin(x)]

y''+2y'+2y = 0

e⁻ˣ[2cos(x)+4sin(x)] + 2[e⁻ˣ(-3cosx-sinx)] + 2[2e⁻ˣ cos(x)−e⁻ˣ sin(x)]

e⁻ˣ[2cos(x)+4sin(x)-6cos(x)-2sin(x)+4cos(x)-2sin(x)]

e⁻ˣ[-4cos(x)+2sin(x)+4cos(x)-2sin(x)]

e⁻ˣ[0cos(x)+0sin(x)] = 0

4 0
4 years ago
Read 2 more answers
Four dice are placed into your hand and you roll all dice onto the floor. What are the odds that all
ASHA 777 [7]

Answer:

1/1296

Step-by-step explanation:

8 0
3 years ago
Which of the following points lie in the solution set to the following system of inequalities?
Vitek1552 [10]

Answer:

Step-by-step explanation:

y ≤ x − 5

1<10-5

1<5

Pair: (10,1)

y ≤ −x − 4

-10<-1-5

-10<-6

Pair: (1,-10)

4 0
4 years ago
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PLEASE please help i’ll give brainliest
elena55 [62]

Answer:

Step-by-step explanation:

The correct answer is dotplot

8 0
3 years ago
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