3 years ago

Can someone please help me with simplifying ratios and fractions? thanks

Mathematics

1 answer:

Nady [450]3 years ago

3 0

Yes i can......but, where is the question?

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The longer leg of a 30,-60,-90 degree triangle is 18: what is the length of the other leg

taurus [48]

Answer:

The other legs are 9 and 9√3

Step-by-step explanation:

The longer side of a 30-60-90 degree rectangle is 18.

The other legs will be

$\frac{x}{2}$

and

$\frac{x}{2} \sqrt{3}$

Where x is the longest side, which is given as 18.

Therefore one leg will be:

$\frac{18}{2} = 9$

and the other leg will be:

$\frac{18}{2} \sqrt{3} = 9 \sqrt{3}$

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3 years ago

What is the sum of the first seven terms of the geometric series where a1 = 10 and r = −2?

matrenka [14]

$Sum_{7} = 10 * \frac{1- (-2^{7}) }{1 - (-2)} = 10* \frac{1+128}{1+2} = 10* \frac{129}{3} = 10 * 43 = 430$

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2 years ago

What is the difference? Negative 6 minus (11)

aleksklad [387]

Answer:

-17

Step-by-step explanation:

-6-11=-17

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3 years ago

Help please! 20 points!

vladimir1956 [14]

$x+100+3x=180\\4x=80\\x=20$

5 0

3 years ago

Read 2 more answers

Alberta has 5 shirts and 4 pants. 3 of the shirts are her favorite and 2 of the pants are her favorite. If Alberta chooses an ou

tiny-mole [99]

Answer:

$\frac{3}{10}$

Step-by-step explanation:

In probability, "AND" means "multiplication" and

"OR" means "addition".

We want the probability that she picks FAVORITE SHIRT "AND" FAVORITE PANT.

Probability that she picks favorite shirt = 3/5

Probability that she picks favorite pants = 2/4 = 1/2

Since, "AND", we "multiply" both to get:

3/5 * 1/2 = 3/10

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3 years ago