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dexar [7]
3 years ago
9

Pls help thirty points and will do branliest

Mathematics
1 answer:
Luba_88 [7]3 years ago
8 0

The dashed-line triangle is a dilation-reduction, and the scale factor is (1/3).  Note how the former triangle is 1/3 the size of the larger one.

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40Points? CORRECT answer please
irina [24]

Answer:

<h2>f(-2) = 12.5</h2>

Step-by-step explanation:

f(t)=2(0.4)^t

f(-2) → put t = -2 to the equation of the function:

f(-2)=2(0.4)^{-2}=2\left(\dfrac{4}{10}\right)^{-2}=2\left(\dfrac{2}{5}\right)^{-2}

Use a^{-n}=\left(\dfrac{1}{a}\right)^n

f(-2)=2\left(\dfrac{5}{2}\right)^2=2\left(\dfrac{25}{4}\right)=\dfrac{25}{2}=12.5

3 0
3 years ago
(4,7), (x,19); slope = 3 the pair points lies on the same line with the given slope. Find x
Andrew [12]
So we are given two points, say P1(4,7), P2(x,19).

Slope is given by 
m=3=(y2-y1)/(x2-x1)=(19-7)/(x-4)
solve for x
3=(19-7)/(x-4)
cross multiply
3(x-4)=12
3x-12=12
3x=12+12=24
x=8

3 0
4 years ago
Cual es la velocidad de un carro si su masa es de 1,2 toneladas y genera energía cinética de 905 J
laiz [17]

Answer:

75 kilómetros por hora creo no estoy muy seguro

5 0
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Ludmilka [50]
Y= 1x + 8
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8 0
3 years ago
Convert the following repeating decimal to a fraction in simplest form.<br> .05
wolverine [178]

Answer:

1/20

Step-by-step explanation:

Hope that helped :))

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