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2 years ago

Special right triangles!!! Help

Mathematics

2 answers:

klemol [59]2 years ago

8 0

Answer:

This is a 30, 60, 90, right triangle.

The length of the longest side (this case s), is equal to twice the length of the shortest side.

x $\sqrt{3\\}$ = 27

x = 27/ $\sqrt{3}$

s is twice as that, so the answer is 54/ $\sqrt{3}$

Let me know if this helps!

Archy [21]2 years ago

3 0

Answer:

i think 40 meters

Step-by-step explanation:

i hope this helps

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Hey can you please help me posted picture of question

larisa [96]

$(5x - 2)^2 = 15$

Square root both sides:
$5x - 2 = \pm\sqrt{15}$

Add 2 to both sides:
$5x = pm\sqrt{15} + 2$

Divide both sides by 5:
$x = \dfrac{ \pm\sqrt{15} + 2}{5}$

Answers:
$x = \dfrac{ \sqrt{15} + 2}{5} \ or \ \dfrac{ - \sqrt{15} + 2}{5}$

Answer: (B) and (E)

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2 years ago

Read 2 more answers

PLEASE ANSWER ASAP 45 POINTS!!!!!

sveta [45]

Im saying C is the awnser

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2 years ago

Cindy claims that 4^x/12^x=1/3

pav-90 [236]

A whole number that would support Cindys claim would be 2 because if u do the ,math it would be 8/24 which would be .333 repeating which is simplify to 1/3 and i do not know a number that would not work

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2 years ago

(10) Both red line and blue line trains left the station at 5:00 pm. If both

scoundrel [369]

Answer:

5:40

Step-by-step explanation:

This is a problem involving the least common difference.

If you know that the red and blue trains left at the same time at 5, you know that another red train will leave at 5:08. Another blue train at 5:10.

The way to solve this will be to write out the factors of 8 and 10 and find the smallest number that they overlap.

Red:

8, 16, 24, 32, 40, 48, 56, 64, 72, 80

Blue:

10, 20, 30, 40

You see that after 40 mnutes, they are both leaving the station again. After 40 minutes, at 5:40, they are both leaving.

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2 years ago

Explain the difference between exponential growth and exponential decay

alexdok [17]

Exponential growth is the function
$y = a^{x} , a\ \textgreater \ 1$
Exponential decay is the function
$y = a^{x} , 0\ \textless \ a\ \textless \ 1$
So, the basic difference is that in growth the base is more than 1, and in decay the base is more than 0 but less than 1.

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3 years ago