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Gnoma [55]
3 years ago
14

If A=i +j+2k B=2i+j+2k C=i-2j-2k Find the magnitude of (A+B+C)​

Mathematics
1 answer:
ss7ja [257]3 years ago
3 0

Answer: (6j-2j + 7k / 89

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The age of a father is 3 times the age of his son. 5 years ago, the father was 4
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

x = father's age

y = son's age

Nowadays:

3x = y

5 years ago:

4(x - 5) = y - 5

4x - 20 = y - 5

4x = y + 15

I hope I've helped you.

3 0
3 years ago
I really need help with this one please
natka813 [3]

The distance from the sun is option 2 5.59 astronomical units.

Step-by-step explanation:

Step 1; To solve the question we need two variables. P which represents the number of years a planet takes to complete a revolution around the Sun. This is given as 13.2 years in the question so P = 13.2 years. The other variable is the distance between the planet and the sun in astronomical units. We need to determine the value of this using the given equation.

Step 2; So we have to calculate the value of 'a' in Kepler's equation. But the exponential power \frac{3}{2} is on the variable we need to find so we multiply both the sides by an exponential power of \frac{2}{3} to be able to calculate 'a'.

P =  a^{\frac{3}{2} }, P^{\frac{2}{3} } = a^{\frac{3}{2}*\frac{2}{3}  },  P^{\frac{2}{3} } = a, 13.2^{\frac{2}{3} } = a = 5.58533 astronomical units.

Rounding it over to nearest hundredth we get 5.59 astronomical units.

6 0
3 years ago
60 sixth graders are going to the social. 240 sixth graders are NOT going to the social. What is the ratio (simplest form) of th
PSYCHO15rus [73]

Answer:

240 to 60 or in simpler form 1 and 4

Step-by-step explanation:

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3 years ago
Lenore pays $10.08 for 3.2 pounds of flour. What is the price per pound of the flour?
Arlecino [84]

Answer:

3.15

Step-by-step explanation:

10.08 / 3.2 = 3.15

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What was the range of the snowfall in Denver?
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9.2 - 4.8 Your answer is 4.4
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3 years ago
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