2 years ago

If ABC is the original and DEF is the image, what is the scale factor of this dilation ?

Mathematics

1 answer:

musickatia [10]2 years ago

8 0

Answer:

The scale factor of this is 2

Step-by-step explanation:

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Find the value of x if 7,x and 11 are in A.p.

krok68 [10]

Answer:

x = 9

Step-by-step explanation:

since the terms are in AP then there is a common difference between consecutive terms, that is

a₂ - a₁ = a₃ - a₂ ( substitute values )

x - 7 = 11 - x ( add x to both sides )

2x - 7 = 11 ( add 7 to both sides )

2x = 18 ( divide both sides by 2 )

x = 9

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Taya2010 [7]

There's 4oz left
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3 years ago

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GuDViN [60]

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3078.8 in cubed

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Jaylon spent $21.60 of the $80 he got for his birthday. What percent of his money did he spend? Oh

Anika [276]

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27%

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Jaylon spent 27% of his birthday money.

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3 years ago

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The radius of the Moon is 1700 km, and the radius of the Earth is 6350 km. A scale model of the Earth and the Moon is made. In t

Reil [10]

Answer:

1) 12.7 cm

2) 8580.24 cm³

Step-by-step explanation:

given,

Radius of moon(Rm) = 1700 Km Radius of Earth(Re) = 6350 km

Model radius of Moon(Mm) = 3.4 cm

2) Volume of earth model = $\dfrac{(R_e)^3}{(R_m)^3}\times \dfrac{4}{3}\pi (M_m)^3$

= $\dfrac{(6350)^3}{(1700)^3}\times \dfrac{4}{3}\pi (3.4)^3$

= 8580.24 cm³

1) radius of earth = $\dfrac{R_e}{R_m}\times M_m$

= $\dfrac{6350}{1700}\times 3.4$

= 12.7 cm

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3 years ago