Answer:
5/16
Step-by-step explanation:
15+(5-x)/x=30
1) Subtract 15 from both sides:
(5-x)/x=15
2) Multiply both sides by x:
5-x=15x
3) Add x to both sides:
16x=5
4) Divide both sides by 16:
x=5/16
Answer:
87.8
Step-by-step explanation:
So you have to multiply 91 times 3.5 which equals 318.5
91 × 3.5 = 318.5
Then divide 318.5 by 100 which equals 3.185
318.5 ÷ 100 = 3.185
Next subtract 91 by 3.185 which equals 87.815
91 - 3.185 = 87.815
Last Round 87.815 to 87.8
87.8 should be the answer
Hope this helps
Answer:
15.41
Step-by-step explanation:
Answer:
30 three-pointers
Step-by-step explanation:
if u need explanation, lmk and i'll type it in the comments to this question.
Answer:
There are (63) combinations. The notation means "six choose three". Out of six items (flavors) choose three.
(nk)=n!k!(n−k)!.
(63)=6!3!3!.
Think of it this way. There are 6 ways to choose a flavor. Once you choose, there are 5 ways to choose the next. After that, there are 4 flavors left. which is 6!/3!=6⋅5⋅4⋅3⋅2⋅13⋅2⋅1=6⋅5⋅4=120.
But, you could have chosen {chocolate,vanilla,strawberry} and you get the same combination as {vanilla, strawberry, chocolate} so we have to divide by 3!=3⋅2⋅1=6 to account for the order of choosing.
So the number of combinations of flavors is (63)=1206=20.
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