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3 years ago

Which of the following sets of numbers could be the sides of a triangle

2 answers:

5 0

Longest side must be smaller than the sum of other two smaller sides, so
only 2nd option fits best

In short, Your Answer would be Option B

Hope this helps!

anyanavicka [17]3 years ago

5 0

So bascically what you would do is you would do A^2+B^2=C^2 for every single one of them to find which one best fits the equation 6 squared +8 squared =15 squared 36+64=225 so that would be 100 which does not equal 225 therefore A is not the answer. 9 squared+ 13 squared= 17 squared 81+169= 289 250 does not equal 289 so therefore B is not the answer. 2 squared + 3 squared= 6 squared. 4+9=36. 13 does not equal 36 so therefore C is not the answer but because there are no more answers D is left by process of elimination

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igomit [66]

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Step-by-step explanation:

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As a decimal, 2.875

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Read 2 more answers

A radio disc jockey has 8 songs on this upcoming hour's playlist: 3 are rock songs, 3 are reggae songs, and 2 are country songs.

sashaice [31]

Answer:

The answer is 9/64. Also #djgirlpower

Step-by-step explanation:

9/64 is the equivalent of 3/8 • 3/8, which is the probability of the dj picking a reggae song once, and then again. That is most likely the case, except if the song that is played is removed from the collection of not-yet-played songs. Otherwise, I’m pretty sure if that’s the case, it would be 3/8 •2/7. Hope this helped :)

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3 years ago

Choose the option with the proper number of sig figs

marishachu [46]

$\text{ 2 }\times10^8$

Explanation: $\begin{gathered} \text{Given:} \\ \frac{9\text{ }\times10^9}{4.5\text{ }\times10^1} \end{gathered}$

let's break down the expression to get the final result:

$\begin{gathered} \frac{9\text{ }\times10^9}{4.5\text{ }\times10^1}\text{ = }\frac{9}{4.5}\times\text{ }\frac{10^9}{10^1} \\ \frac{9}{4.5}\text{ = }\frac{9\text{ }\times\text{ 10}}{4.5\text{ }\times\text{ 10}}\text{ = }\frac{90}{45} \\ \frac{9}{4.5}\text{ = }2 \\ \\ \frac{10^9}{10^1}\colon\text{ when we divide exponents with same base, } \\ we\text{ take one of the base and combine the exponents by subtracting them:} \\ \frac{10^9}{10^1}=10^{9-1} \\ \frac{10^9}{10^1}=10^8 \end{gathered}$ $\begin{gathered} \frac{9}{4.5}\times\text{ }\frac{10^9}{10^1}\text{ = 2 }\times10^8 \\ \\ \text{when dividing decimals, }the\text{ least number of }significant\text{ }figures\text{ in the problem}, \\ \text{ }\det ermines\text{ the significant figures in the answer} \\ 9\text{ = 1 significant, 4.5 = 2 significant} \\ \text{The least significant is 1} \\ \\ \frac{9\text{ }\times10^9}{4.5\text{ }\times10^1}\text{ = 2 }\times10^8 \end{gathered}$

6 0

1 year ago