3 years ago

F(x)3x+5/x what is f(a+2)

Mathematics

1 answer:

german3 years ago

7 0

Answer:

3a+6+5/(a+2)

Step-by-step explanation:

To do this you replace x with a+2, meaning that 3x+5/x turns into 3(a+2)+5/a+2. Simplified this is 3a+6+5/(a+2)

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construct a right-angled triangle ABC where angle A =90 degree , BC= 4.5cm and AC= 7cm. please ans fast........ Very urgent. Pls

Katena32 [7]

Answer and Step-by-step explanation: The described right triangle is in the attachment.

As it is shown, AC is the hypotenuse and BC and AB are the sides, so use Pytagorean Theorem to find the unknown measure:

AC² = AB² + BC²

$AB^{2} = AC^{2}-BC^{2}$

$AB =\sqrt{AC^{2}-BC^{2}}$

$AB =\sqrt{7^{2}-4.5^{2}}$

$AB =\sqrt{28.75}$

AB = 5.4

Then, right triangle ABC measures:

AB = 5.4cm

BC = 4.5cm

AC = 7cm

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3 years ago

I need help with 17 please

stira [4]

Move the triangle, 12 units right and 4 units bottom. Then, rotate it by 180 degrees. Transformation would be done!

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3 years ago

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I need to know the formula for this graph

Agata [3.3K]

Answer:

y=x+5

Step-by-step explanation:

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2 years ago

How would 2.25 be represented as a percent? A. 225% B. 22.5% C. 2.25% D. 0.0225

ivolga24 [154]

Answer:

Step-by-step explanation:

move decimal two places to get percent

2.25 = 225%

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3 years ago

A cylindrical water towers has a diameter of 15 meters and a height of 5 meters. About how many gallons of water can the gallon

Artemon [7]

Answer:

233445.54 gallons

Step-by-step explanation:

Given data

Diameter= 15m

Radius= 7.5m

Height= 5m

Let us first find the volume

the volume of a cylinder is given as

V= πr^2h

substitute

V= 3.142*7.5^2*5

V= 3.142*56.25*5

V=883.6875 m^3

Hence the volume in gallons is

233445.54 gallons (from conversion tables)

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2 years ago