3 years ago

What is the variable in the expression below? 3y?

Mathematics

1 answer:

Readme [11.4K]3 years ago

3 0

Answer
y
Explanation

In mathematics, a variable is a symbol or letter, such as "x" or "y," that represents a value.

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Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 3.4 × 105

Vesna [10]

Answer:

8.925 minutes or 0.14875 hours..?

Step-by-step explanation:

I feel like I'm missing something here... The 3.4 x 105 words seems off. Why didn't they just say 357 words?

Assuming that he types 40 WPM and they're looking for how long it would take for him to type 357 words:

$3.4*105 = 357$ words total

$\frac{357}{40} = 8.925$ minutes

$\frac{8.925}{60} = 0.14875$ hours

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3 years ago

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Order the ratios from least to greatest.

pantera1 [17]

5:8 = 20:32
11:16 = 22:32
18:32

Least: 18:32
Middle: 5:8
Greatest: 11:16

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4 years ago

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Randy wants to join a gym to lose his winter weight. Gym A has a membership fee of $39 and charges $30 per month. Gym B has a me

siniylev [52]

Answer:

5 months

Step-by-step explanation:

Value m= months

Gym A Money needed to pay= 30m+ 39

Gym B Money needed to pay= 20m+ 89

30m+ 39= 20m+ 89

Now isolate m

(30m-20m) + (39-39)= (20m-20m) + (89-39)

10m = 50

10m/10= 50/10

m=5; You can plug this number in to check my answer.

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