What amount of heat is required to raise the temperature of 5 kg of water through 20° c?

Please help me with this

zimovet [89]

Answer:

1. -10x + 9

2. 7/16x + 2

3. 2/3x -2

4. x + 1/3

5. -7x - 2/15

8 0

3 years ago

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PLEASE HELP MY QUARTER ENDS TMRW GIVING BRAINLIEST

Reptile [31]

Answer:

All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When you rub a piece of iron along a magnet, the north-seeking poles of the atoms in the iron line up in the same direction. The force generated by the aligned atoms creates a magnetic field.

Step-by-step explanation:

I HOPE THIS HELPS * and pls mark me brainliest

3 0

2 years ago

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Sue's Sushi placed two orders with its fish supplier. One order was for 11 pounds of salmon and 6 pounds of tuna; the order tota

Dmitriy789 [7]

Answer:

Step-by-step explanation:

A

4 0

2 years ago

A librarian choose seven holiday books from a selection of ten to be displayed in the window of the library. in how many differe

Sergeu [11.5K]

Answer:

$_{10}C_7=\frac{10!}{7!(10-7)!}\\\\=\frac{10!}{7!3!}=\frac{10\times 9\times 8\times ...}{(7\times 6\times 5\times...)(3\times 2\times 1)}\\\\=\frac{10\times 9\times 8}{3\times 2\times 1}=\frac{720}{6}=120$

Step-by-step explanation:

A librarian choose seven holiday books from a selection of ten to be displayed in the window of the library. in how many different ways can she chose seven books?

This is a combination of 10 objects chosen 7 at a time:

$_{10}C_7=\frac{10!}{7!(10-7)!}\\\\=\frac{10!}{7!3!}=\frac{10\times 9\times 8\times ...}{(7\times 6\times 5\times...)(3\times 2\times 1)}\\\\=\frac{10\times 9\times 8}{3\times 2\times 1}=\frac{720}{6}=120$

3 0

3 years ago

(b) the smallest integer m such that mP is a perfect cube, Answer..

Gnoma [55]

Answer:

m = 2.

Step-by-step explanation:

In increasing order the perfect cubes are 1, 8, 27.

So m = 2.

6 0

2 years ago

What amount of heat is required to raise the temperature of 5 kg of water through 20° c?​

What amount of heat is required to raise the temperature of 5 kg of water through 20° c?