3 years ago

You are going to have a quiz with 5 true/false questions next Friday. You

1 answer:

7 0

If you have 10 choices. You have about a 50 50 of passing or failing. Your chances would be 5/10 Wich would simplify to 1/2

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What is the value of n 9 times 27+2 times31-28

Kay [80]

9•27+2•31-28= ? Is that what you are asking?

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3 years ago

If T equals 1 / r + 1 / s equals r + S over RS, then what is 1 / T in terms of R&S?

Thepotemich [5.8K]

$T=\dfrac{1}{r}+\dfrac{1}{s}\\\\T=\dfrac{1\cdot s}{r\cdor s}+\dfrac{1\cdot r}{r\cdot s}\\\\T=\dfrac{s}{rs}+\dfrac{r}{rs}\\\\T=\dfrac{s+r}{rs}\to\dfrac{1}{T}=\dfrac{rs}{s+r}$

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3 years ago

The distance between Henry's house and his school is 648 feet. How many yards are equivalent to 648 feet?

vlabodo [156]

Answer:

216 yards

Step-by-step explanation:

There are 3 feet in a yard, so the number of yards is equal to the number of feet divided by 3.

648/3 = 216

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4 years ago

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After 9 new members joined the ski club, there were 38 members. How many members had been in the club previously?

dezoksy [38]

Answer:

Previously, there were 29 members in the ski club

Step-by-step explanation:

Subtract 9 from 38

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3 years ago

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stiv31 [10]

Answer:

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Step-by-step explanation:

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3 years ago