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Bezzdna [24]
3 years ago
13

Find the unknown 4×?× 8=64

Mathematics
2 answers:
iVinArrow [24]3 years ago
7 0
2 is the correct answer....gitty up
lara31 [8.8K]3 years ago
4 0
4*2*8=64 because 4 times 2 equals 8 and multiply that to 8 equals 64
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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 47.0 and 52.
Pavlova-9 [17]

Answer:

0.15 or 15%

Step-by-step explanation:

Since lengths are uniformly distributed, the probability that a class period runs between a two exact times is:

P(x_1\leq x \leq x_2)=\frac{x_2-x_1}{b-a}

In this case, a = 47.0 and b = 52.0 minutes.

The probability that a given class period runs between 50.25 and 51.0 minutes is:

P(50.25\leq x \leq 51.0)=\frac{51.0-50.25}{52-47} \\P(50.25\leq x \leq 51.0)=0.15=15\%

The probability is 0.15 or 15%.

7 0
3 years ago
What is the simplified form of expression?
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Step-by-step explanation:

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3 years ago
How many lines can you draw using 3 non-collinear points A, B and C on a plane?​
patriot [66]

Answer:3 lines could be used

Step-by-step explanation:

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AB , AC

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4 0
1 year ago
Obtuse can have right angles.<br> True or False
Svetllana [295]

False. Obtuse is always greater than 90°.

4 0
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Read 2 more answers
Anais bought 4 1/2 yards of ribbon. She had 3 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribb
Dmitry_Shevchenko [17]
First convert all numbers into inches since that is the answer being solved for.

1 yard =36 inches
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1 foot = 12 inches
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Now take 1,620 inches (starting ribbon measure) and subtract 44 inches (what was left over) to get the inches used to trim curtains.

1,620 inches - 44inches =
1,576 inches were used to trim the curtains.
7 0
3 years ago
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