3 years ago

What is the mean of 2,3?

Mathematics

1 answer:

iragen [17]3 years ago

6 0

The answer is 2.5. :)

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7.) Plumbers earn $160 a day and plumbers' helpers earn $100 a day. Twenty

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Answer:

Step-by-step explanation:

p and h are number of plumbers and helpers, respectively.

Twenty workers earn a total of $2600

p+h = 20

h = 20-p

160p + 100h = 2600

160p + 100(20-p) = 2600

60p = 600

p = 10

h = 20-p = 10

Ten plumbers and ten helpers.

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3 years ago

Please help I did not get what I was supposed to do

Sladkaya [172]

Answer:

See below

Step-by-step explanation:

$\sqrt[3]{49} = 3.65930571002 \approx3.66 \\ \\ so \: \sqrt[3]{49} should \: lie \: at \: 3.6 \: which \: \\ fall \: between \: 3 \: and \: 4.$

Actually Lin did a mistake, she obtained square root and not cube root.

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3 years ago

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(If A+B+C=180) tan 2A + tan 2B + tan 2C = tan 2A tan 2B tan 2C

zavuch27 [327]

Step-by-step explanation:

Hey there!

See explanation in picture.

Hope it helps....

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3 years ago

Please help no troll im really confused i'm offering 20 points

MatroZZZ [7]

Answer:

4) choice 1) 14.7 cm

5) choice 2) 14.8 cm

Step-by-step explanation:

4) 10^2 + 10^2 + 4^2 = 216

sq rt 216 = 14.7

5) 14^2 + 3^2 + 4^2 = 221

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3 years ago

The area of this rectangle is 30 m^2 . which is the perimeter of the rectangle ?

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Answer:

D. 26 m

Step-by-step explanation:

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4 years ago

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