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3 years ago

HELP URGENT !!!!!!! Please help me with this

Mathematics

1 answer:

8090 [49]3 years ago

7 0

Answer:

<h2>a one is the answer for 1st question </h2>

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Answer:

$8\sqrt{2}$

Step-by-step explanation:

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How to mulitiply 8.18 times 2.8 don’t understand

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Answer:

Multiply it like a normal number.

Step-by-step explanation:

Take the point away in both numbers

line the numbers up and add the zero at the end of 28

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Calculate the specific heat of a metal (in calories/gram-degree C) from the following data. A container made of the metal has a

Arisa [49]

Answer:

<h2>The specific heat of the metal is 0.274951 calories/gram-degree C.</h2>

Step-by-step explanation:

Let, the specific heat of the container is x calories/gram-degree C.

The container and water gains (18 - 15) = 3 degrees C.

Hence, the transfer of heat is $3(18.1\times1000\times1) + 3(3.77x\times1000)$ .

The metal, which is dropped in the water, losses (164 - 18)= 144 degrees C.

Hence, the transfer of heat is $144\times 1.45\times1000x$ .

As per the given conditions,

$3(18.1\times1000) + 3(3.77x\times1000) = 144\times1.45\times1000x\\54.3 + 11.31x = 208.8x\\197.49x = 54.3\\x = 0.274951$ .

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3 years ago

A company prices its tornado insurance using the following assumptions:

ziro4ka [17]

Answer:

.441320612

44.132%

Step-by-step explanation:

This is binomial

fewer than 3 is equal to p(0)+p(1)+p(2)

$p(0)={19\choose0}*.15^0*(1-.15)^{19}=.045599448\\p(1)={19\choose1}*.15^1*(1-.15)^{18}=.152892268\\p(2)={19\choose2}*.15^2*(1-.15)^{17}=.242828896\\p(0)+p(1)+p(2)=.441320612$

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Solve x where 5x=15 ?

adoni [48]

Answer:

Step-by-step explanation:

5x3 is 15

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