Please help me with this.

Mathematics

1 answer:

kompoz [17]3 years ago

3 0

Answer:

$75\sqrt{2}(\sqrt{3}-1)$

Step-by-step explanation:

In every right triangle, a leg is given by the multiplication of the sine of its opposite angle and the hypothenuse.

In this case, the opposite angle of x is 15°, and the hypothenuse is 300. So, we have

$x = 300\sin(15) = 75\sqrt{2}(\sqrt{3}-1)$

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Please help I'm really bad at logorithms.

Gnom [1K]

Sorry to hear that you already took the test. Here is how to do the problem:

2ˣ = 128
Let's take log base 10 of both sides.
For simplicity, we'll just use the symbol log to mean log₁₀

log (2ˣ) = log (128) Remember that log(yˣ) = x log(y)
x log (2) = log (128) Divide both sides by log(2) to get x by itself
x = log (128) ÷ log (2)

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3 years ago

Jake is 2 5 25 years old. Next year, he'll be 2 6 26 years old. What is the percentage increase in Jake's age from last year?

kramer

Answer:

Step-by-step explanation:

We have been given that Jake is 25 years old. Next year, he'll be 26 years old.

To find the percentage increase in Jake's age from last year, we will use percentage decrease formula as our original value is less than new value.

$\text{Percentage decrease}=\frac{\text{Original-New}}{\text{Original}}*100$