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3 years ago

What number adds up to be 12 but also multiplies to be 12

Mathematics

1 answer:

netineya [11]3 years ago

8 0

4+3+1+1+1+1+1 =12
4x3x1x1x1x1x1=12

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In the function f(t) = sin(t), what is the effect of multiplying t by a coefficient of 2?

liubo4ka [24]

Answer:

"changes the period to pi"

Step-by-step explanation:

f(t) = Sin(t),

Here, t is the period, by definition.

Multiply t by a number that is GREATER THAN 1, makes the period shorter and compressed.

Multiplying t by a number that is between 0 and 1 makes the period expanded.

For the first, if we multiply the period by a, the period becomes $\frac{2\pi}{a}$

Since the problem tells us to multiply by 2, we know the period becomes compressed and becomes :

$\frac{2\pi}{2}=\pi$

Third answer choice is right.

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2 years ago

A jet files at an altitude of 52,800 feet. what is the height of the hey on miles

Triss [41]

There are 5,280 feet in a mile. so 52,800 feet is 10 miles.

4 0

3 years ago

Read 2 more answers

Find the Circumference of the circle. Use 3.14 for π. Round your answer to the nearest tenth.

kotykmax [81]

Answer:

28.3 cm

Step-by-step explanation:

The formula to find the circumference is 2•π•radius. The diameter is 9 cm, so the radius is 9/2 = 4.5 cm. So, the circumference is:

2•4.5•3.14 = 28.26 ≈ 28.3 cm

8 0

3 years ago

HELP help HELP help HELP help HELP help HELP help HELP help HELP help

Morgarella [4.7K]

$\text{mass of freight train} = 9.98 \times {10}^{6} kg$

$\text{mass of aircraft carrier} = 7.3 \times {10}^{7} \: kg$

$\text{difference of masses of aircraft and train: } \\ \\ 7.3 \times {10}^{7} - 9.98 \times {10}^{6} \\ \\ = 73 \times {10}^{6} - 9.98 \times {10}^{6}$

$= (73 - 9.98 )\times {10}^{6} \\ \\ = 63.02 \times {10}^{6} \\ \\ = 6.302 \times {10}^{6} \: kg \\ \\ \approx 6.3 \times {10}^{6} \: kg$

Approximately, aircraft carrier is 6.3 × 10^6 kg heavier than the freight train.

7 0

2 years ago

Solve for k<br> 1/4K=3(-1/4K +3)

Gre4nikov [31]

Answer:

k= 9

Step-by-step explanation:

hope this helps you

7 0

3 years ago