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3 years ago

Which elements make up the stars

Mathematics

1 answer:

leonid [27]3 years ago

7 0

Answer:

Most stars have small amounts of heavy elements like carbon, nitrogen, oxygen and iron. But the shine from the stars comes from burning hydrogen into helium in their cores.

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A 2.5-kg water receives thermal energy of 36, 575 J. By how much its temperature increases?

coldgirl [10]

Answer:

water has a specific heat capacity of 4180 j/kg degree cellos

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3 years ago

if the scale on a map is inches/miles = 1/50, find the following actual distances: 2.5 inches, 4.75 inches, and 7.6 inches.

Ber [7]

2-5 inches =125miles
4-75inches=237.50 miles.
7.6=380miles

8 0

3 years ago

Read 2 more answers

(2x³+11x²+5)-(x³-2x²+2)<br>

SOVA2 [1]

Answer:x^3+13x^2+3

Step-by-step explanation:

(2x^3+11x^2+5)-(x^3-2x^2+2)

Clearing brackets

2x^3+11x^2+5-x^3+2x^2-2

Collect like terms

2x^3-x^3+11x^2+2x^2+5-2

x^3+13x^2+3

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3 years ago

Allen has a photo that is 6 in by 8 in. What will the dimensions of the photo be if he scales it down by a factor of one-half ?

olchik [2.2K]

3 in by 4 in
because one half of 6 is three and one half of 8 is 4

5 0

3 years ago

S. Jamie was really struggling to multiply two digit numbers together. Mrs. Brack helped her with the

yawa3891 [41]

The property applied is the associative property

<h3>Algebraic properties</h3>

There are several algebraic properties in mathematics; each of which have their own applications

Some of these properties are:

Commutative
Distributive
Associative
Identity

The mathematical expression is given as:

$13 \cdot (20 \cdot 5)$

And it is calculated as follows:

$13 \cdot (20 \cdot 5) = 13 \cdot 100$

$13 \cdot (20 \cdot 5) = 13 00$

The property applied above is the associative property

Read more about mathematical properties at:

brainly.com/question/10628093

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2 years ago

Which elements make up the stars​

Which elements make up the stars