3 years ago

Which fraction is equivalent to 4/7?

Mathematics

1 answer:

forsale [732]3 years ago

6 0

Answer: Depends....could be anything...one example is 8/14

Step-by-step explanation:

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In the graphic above, ΔRED ≅ ΔTAN by: aHL. bSSA. cSAS. dThe triangles are not congruent.

USPshnik [31]

Answer:

a. HL

Step-by-step explanation:

ΔRED ≅ ΔTAN by HL Postulate of congruen.

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2 years ago

Apply the distributive property to create an equivalent expression.<br> (3 - 8y) x (-2.5)

monitta

(3-8y) x (-2.5)
= -7.5+20y

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2 years ago

6. Ava had a rough day on the stock market. Her stocks dropped in value to

Pani-rosa [81]

Answer:

420,000

Step-by-step explanation:

If 140,000 is $\frac{1}{3}$ of what she had yesterday, then you just multiply the number by 3 because $\frac{1}{3}$ times 3 is $\frac{3}{3}$ , which is 1.

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2 years ago

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Volume of cylinder with a radius of 8cm and height of 25 cm

Anarel [89]

Answer:

V≈5026.55 cm³ is the exact answer! If you need to use only 3.14 for π then 5024 cm³

Step-by-step explanation:

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3 years ago

A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed

Olegator [25]

Answer:

The length of shadow decrease at 0.48 m/s.

Step-by-step explanation:

The distance of man from building = x

Thus initially, x = 12

It is given that dx/dt= -1.3 m/s

Let the shadow height = Y

Now solve for the $dy/dt$ when x=4

from the diagram (triangle) it can be seen similar triangles with similar base/height ratios.

$\frac{2}{12-x} = \frac{y}{12} \\Y = \frac{24}{12 - x} \\ \frac{dy}{dt} = \frac{24}{(12-x)^{2}} \times \frac{dx}{dt} \\at x=4, dy/dt \ becomes: \\\frac{24}{(12-4)^2} \times -1.3 \\= -0.48 m/s$

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3 years ago