I need help. +brainliest. 25 pts+

Mathematics

1 answer:

Inga [223]3 years ago

4 0

Answer:

i cant help with the first one but the others i think i can

- plastic (insulator) -stainless steel (conductor) -silver (conductor) -wood (insulator)

Also radiation could effect the system but changing the conductivity of some of the materials also change change the way the materials accept heat.

Sorry about the first one :)

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Subtracting by adding up 65-39

rjkz [21]

Answer:

Step-by-step explanation:

In order to subtract by adding up 65-39, we need to add -39 to the value of 65. This can be rewritten in this way;

65+(-39)

The equation above is similar to the one given because the product of a minus and a plus sign will still give us back a minus sign.

on solving;

65+(-39) = 26

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3 years ago

How do I write the sum of two numbers as the product of their GCF and another sum

Delicious77 [7]

Let's assume we were given 2 numbers: 15 and 30. Their sum is:
$15+30 = 45$
We want to express it as the product of GCF and another sum.
15 is divisible by: 1, 3, 5, 15
30 is divisible by: 1, 2, 3, 5, 6, 10, 15, 30
The greatest number that appears in 2 series is 15.
$\frac{15}{15} = 1$
$\frac{30}{15} = 2$
In this case sum of two numbers can always be written as:
$15+30 = (15\cdot 1) + (15\cdot 2) = 15\cdot (1+2) = 15\cdot 3 = 45$

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3 years ago

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What is the slope of x=18?

Cloud [144]

Answer:

Step-by-step explanation:

Anything that is set to equal x is what is known as an undefined rate of change [slope] because it is a vertical line.

I am joyous to assist you anytime.

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2 years ago

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