3 years ago

4! what is the answer? (4 factorial)

Mathematics

1 answer:

pav-90 [236]3 years ago

6 0

Answer:

4 factorial (4!) means you multiply the numbers that lead up to the factorial 1×2×3×4 = 24.

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Fraccion de 2/3+1/5=

Ksju [112]

Answer:

13/5

Step-by-step explanation:

$\frac{2}{3 } + \frac{1}{5} \\ we \: take \: \\ the \:lcd \\ \frac{(2 \times 5) + (1 \times 3)}{3 \times 5} \\ \frac{10 +3}{15} \\ \frac{13}{5}$

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3 years ago

Read 2 more answers

(-2-4i) + (1+6i) how do you do this question

lesantik [10]

For this equation you would need to combine like terms
Step 1: -2+1= -1
Step 2: -4i+6i= 2i
so your answer to this question would be -1+2i

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4 years ago

4. How fast was a driver going if the car left skid marks that were 32 feet long on dry concrete? (The coefficient of friction i

Monica [59]

Answer:

$v_{o} \approx 31.247\,mph$

Step-by-step explanation:

The deceleration experimented by the car is the product of kinetic coefficient of friction and gravitational constant:

$a = \mu_{k}\cdot g$

$a = (1.02)\cdot \left(32.174\,\frac{ft}{s^{2}} \right)$

$a = 32.817\,\frac{ft}{s^{2}}$

The initial speed is computed from the following kinematic expression:

$v^{2} = v_{o}^{2} - 2\cdot a \cdot \Delta s$

$v_{o} = \sqrt{v^{2}+2\cdot a\cdot \Delta s}$

$v_{o} = \sqrt{\left(0\,\frac{ft}{s} \right)^{2}+2\cdot \left(32.817\,\frac{ft}{s^{2}} \right)\cdot (32\,ft)}$

$v_{o}\approx 45.829\,\frac{ft}{s}$

$v_{o} \approx 31.247\,mph$

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3 years ago

after filling her gas tank, katie drove 159.75 miles. after the ride. she filled her tank again with 7.1 gallons of gas. on aver

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22.5 you divide 159.5 by 7.1

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3 years ago

Please help me with this geometry question. i attached an image.

PilotLPTM [1.2K]

The measure of angle AEB is 19 degrees

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3 years ago