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Annette [7]
3 years ago
5

We have 2.8 meters of rope. how many centimeters is that ?

Mathematics
1 answer:
Naily [24]3 years ago
8 0
Centi- means "hundred". There are 100 centimeters in 1 meter. 
2.8m•100cm=280cm
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Summer looked at the formula for the Pythagorean Theorem, ashe said that it didn't matter which sides of a right triangle were a
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2 years ago
After 5 tests Dara's average score was 88 what score must she average on the next two tests to have a seven-test average of 90?
Tomtit [17]

After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

90 \times 7 = 630

Her average after 5 tests was 88. Her total score on the 5 tests is:

88 \times 5 = 440

Subtract:

630-440 = 190

Find the average by dividing by 2:

190 \div 2 = 95

Her average must be 95

3 0
2 years ago
Find f(-2) for the function f (x) = 3x^2-2x+7
barxatty [35]

Answer:

23

Step-by-step explanation:

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3 years ago
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3 years ago
A small pond contains nine catfish and two bluegill. If nine fish are caught at random, what is the probability that all of them
jenyasd209 [6]

Answer:

63/3465

Step-by-step explanation:

A small pond contains nine catfish and two bluegill.

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= 11 fishes

Probability of picking one catfish = P(C) = P(9/11)

Probability of picking one bluegill = P(B) = P(2/11)

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= P(9 Catfish) = 9/11 × 8/10 × 7/9 × 6/8 × 5/7 × 4/6 × 3/5 × 2/4 × 1/3

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Further simplifying to the simplest fraction:

= 189/10395

= 63/3465

5 0
2 years ago
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