2 years ago

Type 8,580 words in 2 hours 45 minutes

Mathematics

1 answer:

Inessa05 [86]2 years ago

6 0

You would average 52 words a minute.

8580 / 165 (60 + 60 + 45) = 52

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The mean weight 20 students in a room is 65 kg one student one student who weight is 88kg went into the room what is the new mea

umka2103 [35]

The new mean is 66.09

<u>Explanation:</u>

Mean weight of 20 students = 65kg

One student with 88kg entered the room.

New mean = ?

$\frac{x_1+x_2+....+x_2_0}{20} = 65$

$\frac{x_1+x_2+....+x_2_0 + 88}{21} = ?$

The above equation can further be written as:

$x_1 + x_2 +....+x_2_0 = 65 X 20\\\\x_1 + x_2 +....+x_2_0 = 1300$

New mean = $\frac{1300 + 88}{21}$

= 66.09

Therefore, the new mean is 66.09

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2 years ago

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Would it be 4(1)^2+2(2(1)+2)^2=100

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3 years ago

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Point B is the midpoint of Line segment A C .

lara31 [8.8K]

Answer:

Angle ABC is bisected by BD

BC =Half AC

2 mangle DBC =mangle ABC

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2 years ago

Suppose an investment account is opened with an initial deposit of $11,000 earning 7.2% interest. Round all answers to the neare

Bingel [31]

Answer:$800 to the nearest dollar

Step-by-step explanation:

To find this

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To the nearest dollar

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3 years ago

Convert 1 /20 into a decimal and then into a percentage

DerKrebs [107]

Answer:

Decimal 1/20= .05

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Step-by-step explanation:

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