3 years ago

1. A coin is tossed three times.

Mathematics

1 answer:

Lelechka [254]3 years ago

3 0

Answer:

It's asking to draw a tree. We can't help

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What is the answer to -4x = 12

coldgirl [10]

Steps to solve:

-4x = 12

~Divide -4 to both sides

x = -3

Best of Luck!

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Write and solve a proportion to answer the question. (Skills Review Handbook) 22. 30 is 15% of what number?

algol13

Answer:

The answer is 148.6666667

Step-by-step explanation:

1) Set a linear quation

$\frac{22.30}{x} = \frac{15}{100}$

2) Cross multiply

$15x = 22.30 \times 100$

3) Multiple the right side

$15x = 2230$

4) Divide both side by 15

$\frac{15x}{15} = \frac{2230}{15}$

5) Solve the linear equation

$x = 148.6666667$

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Convert a distance of 42 feet into yards.

dybincka [34]

Answer:

14 Yards

Step-by-step explanation:

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Which of the following expression is equivalent to sin(5x) ?

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$Use:\\sin(x+y)=sinxcosy+sinycosx\\-------------------------\\sin5x=sin(3x+2x)=sin3xcos2x+sin2xcos3x\\\\Answer:e)$

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2% of 350 is what number?

weeeeeb [17]

Answer:

Step-by-step explanation:

An easy way to find any percentage of a number is to multiply with decimals. To do this you have to first convert the percentage to a decimal. Do this by moving the decimal point in the percentage 2 places to the left. This means that 2.0% becomes 0.02. Then, multiply this decimal by the whole number. So, 0.02*350. This equals 7, which is 2% of 350.

This same trick will work with any problem. For example 38% of 435 is the same as 0.38*435, which equals 165.3.

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