4 years ago

Please help algebra 2, unit: 5 Matrices

Mathematics

1 answer:

BigorU [14]4 years ago

8 0

If you have a TI-83 Plus calculator . You can go to 2nd X^-1 and use the matrices

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Duncan takes a break from studying and goes to the gym to swim laps. If swimming burns 9.05×105 cal per hour, how many kilojoule

fgiga [73]

For this case we have to by definition:

1 kilojoule equals 0.239006 kilocalorie.

1 kilocalorie equals 1000 calories

Then, if we have: $9.05 * 10 ^ 5 \frac {calories} {hour} *\frac {1} {1000} \frac {kilocaloria} {calorie} = 9.05 * 10 ^ 2 \frac {kilocaloria} {hour}$

Now:

$9.05 * 10 ^ 2 \frac {kilocaloria} {hour} * \frac {1} {0.239006} \frac {kilojoule} {kilocaloria} = 3786.52 \frac {kilojoule} {hour}$

Answer:

$3786.52 \frac {kilojoule} {hour}$

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3 years ago

URGENT need answer quick

beks73 [17]

Answer:

Part A: x = 4.

Part B: The answer normally would be x = 12, but since your question asked why it has no real solution, it is because the solution (x=12) does not make the equaion true. Why? Because the value given from the equation that should make the equation true does not relate the equation in itself; hence making it have no solution.

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3 years ago

Solve 5y + 9 <4<br> The solution is

zavuch27 [327]

Answer:

y< -1

Step-by-step explanation:

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When you convert 100 feet per second to inches per second will there be more or less than 100 inches

Amanda [17]

Feet are bigger.
Inches are smaller.
You need more inches to make the same distance.

Just like:
Gallons are bigger.
Ounces are smaller.
You need more ounces to make the same volume.

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3 years ago

How do i solve 2x-y=9

devlian [24]

20 with a number minus what will equal 9. ^_^

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