3 years ago

What is the possible length of the unknown side of the triangle ?

Mathematics

1 answer:

Hitman42 [59]3 years ago

5 0

use the Pythagorean theorem to get 6x

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Find the difference between and 8/15 - -(2/3). Show all calculations in your final answer please!! :)

sasho [114]

Answer:

$\boxed{\dfrac{34}{15}}$

Step-by-step explanation:

$\text{Use }\LaTeX$ (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧

$\dfrac{8}{5} - - \left(\dfrac{2}{3}\right)$

$\dfrac{8}{5} - \left[-\dfrac{2}{3}\right]$

$\dfrac{8}{5} +\dfrac{2}{3}$

$\dfrac{8(3)}{5(3)} +\dfrac{2(5)}{3(5)}$

$\dfrac{24}{15} +\dfrac{10}{15}$

$\boxed{\dfrac{34}{15}}$

3 0

3 years ago

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What is the answer to the question 25% of what is 21?

g100num [7]

If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84

Hope this helps. :)

8 0

3 years ago

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Mike saves $42 a week for 7 weeks. During his 8-day vacation, he plans to spend $8.25 each day for snacks. Which expression show

Alla [95]

The answer is B, because you will have to multiple 42 by 7 to see how much money he will have in 7 weeks and then you will have to subtract 8 × 8.25 to see how much money he spent on his vacation.

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3 years ago

If a number is a whole number, then it cannot be

Alborosie

Answer:

The answer is "am irrational number"

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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

ch4aika [34]

Answer: -258

<u>Step-by-step explanation:</u>

Given the sequence {-8, 16, -32, 64, ... , a₇} we know the following

the first term (a₁) = -8
the common ratio (r) = -2
the number of terms (n) = 7

Input the information above into the Sum formula:

$S_n=\dfrac{a_1(1-r^n)}{1-r}\\\\S_7=\dfrac{-8(1-(-2)^7)}{1-(-2)}\\\\.\quad =\dfrac{-8(1-(-128))}{1+3}\\\\.\quad =\dfrac{-8(129)}{4}\\\\.\quad =-2(129)\\\\.\quad =-258$

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3 years ago

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