2 years ago

Use picture or words to describe a cone

Mathematics

1 answer:

STALIN [3.7K]2 years ago

3 0

A cone is a 3 D or 3 dimensional figure with no sides, and one point.

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How does estimating an addition or subtraction problem help you know if an answer is reasonable?

kiruha [24]

Answer:

It helps you know if the answer is reasonable because when you do the work and get your answer, you can check if it is close to your estimate, and if it is, it is most likely correct. On the other hand if it is not close to the estimate it is most likely wrong, unless you estimated incorrectly.

Step-by-step explanation:

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2 years ago

If 3/15 is equivalent to 45/n. find n

Radda [10]

Answer:

n = 225

Step-by-step explanation:

Multiply 15 by 15

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2 years ago

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Solve for equation x. <br> 3In(x)+2In(4)=In(128)

Serggg [28]

$Domain:\ x > 0\\\\3\ln(x)+2\ln(4)=\ln(128)\qquad\text{use}\ \lag_ab^n=n\log_ab\\\\\ln(x^3)+\ln(4^2)=\ln(128)\qquad\text{use}\ \log_ab+\ln_ac=\ln_a(bc)\\\\\ln(16x^3)=\ln(128)\iff16x^3=128\qquad\text{divide both sides by 16}\\\\x^3=8\to x=\sqrt[3]8\\\\\boxed{x=2}\in D$