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lorasvet [3.4K]
3 years ago
14

An air conditioning system can circulate 400 cubic feet of air per minute. How many cubic yards of air can it circulate per minu

te?
Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

14.814 i belive

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I NEED HELP PLEASE I WILL MARK BRAINLIST<br><br> The question is in the screenshot
Ivan

The answer is unreasonable because the value of x is between 2 and 3.The error is : she did not introducing logs in solving the equation.

Step-by-step explanation:

The question is 7^x=95

Here answers is unreasonable because, she can test with powers of seven like;

7²=49

7³=343

So this means the value of x lies between 2 and 3, so here answer 11.71 is unreasonable

b) In this case, to solve the equation, introduce logs both sides

7^x=95

log7^x=log95\\\\\\xlog7=log95\\\\\\x=\frac{log95}{log7} \\\\\\x=2.340

Learn More

Indices :brainly.com/question/1660321

Keywords :Equation, error

#LearnwithBrainly

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m_a_m_a [10]
2.6373 x 10 to the 4th power
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AC=(5x+12) and BD =8x? Can somebody help me to slove it
AleksAgata [21]
To solve this equation from the information given above, I ordered it 5x+12=8x. To solve, I subtracted 5x from each side, canceling the 5x to your left, leaving only the number 12. 8x minus 5x equals 3x. Take 3x and divide on both sides. 3x/3x cancels the 3, leaving 12/3 equals 4. Finally, x equals 4.
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