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2 years ago

A.What is the slope

Mathematics

1 answer:

zhuklara [117]2 years ago

7 0

Answer:

A. 1

B. -1

C. Proportional

D. y=x-1

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a 4.50 g coin of copper absorbed 54 calories of heat. what was the final temperature of the copper if the initial temperature wa

I am Lyosha [343]

The final temperature of copper is 155.43°C.

Step-by-step explanation:

The formula to apply is Q=m*Δt*c where ;

Q=heat energy, m=mass, c=specific heat capacity and Δt= change in temperature

Given that Q=54 calories , m=4.50 g and c=0.092 cal/g°C

In this question find Δt then ,the final temperature.

Δt=Q/m*c

Δt=54/4.50*0.092 =130.43°C

To find final temperature, apply the formula;

Δt=Final temperature - Initial temperature

130.43°C=Final temperature-25°C

130.43°C+25°C=Final temperature

155.43°C

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Specific Heat Capacity : brainly.com/question/12431744

Keyword : specific heat capacity

#LearnwithBrainly

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3 years ago

nationwide participants in the 2008 great backyard bird count reported seeing 778871 canada geese and 363321 american crows how

Black_prince [1.1K]

Subtract 363,321 from 778,871. Which gives you 415,550 more geese than crows :)

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3 years ago

Draw a model of square root of 12 using perfect squares

Shkiper50 [21]

Answer:

The answer is " $\sqrt{12}$ is not a perfect square".

Step-by-step explanation:

12 is not a perfect square because it is the natural number, and no other natural number would square the number 12, that's why it is not a perfect square.

If we calculate the square root of $\sqrt{12}$ . so, it is will give $2\sqrt{3}$ that is not a perfect square root which can be described as follows:

$\Rightarrow \sqrt{12}= \sqrt{2\times 2\times 3}$

$= \sqrt{2^2\times 3}\\\\= 2\sqrt{3}\\\\$

$\bold{\sqrt{12}}$ is not a perfect square root.

7 0

3 years ago

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What is the answer for -4.3g=25.8

lilavasa [31]

-6

You would divide -4.3 on both sides. Since -4.3 divided by itself equals 1 the g will be isolated. So the answer would be -6 because 25.8 divided by -4.3 is -6.

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3 years ago

What is b plus 2 plus 2 minus 7b simplified

soldi70 [24.7K]

B+2+2-7b

2+2=4

-7b+b

Answer: -6b+4

6 0

3 years ago

Read 2 more answers