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vodka [1.7K]
3 years ago
15

What is the value of x ?

Mathematics
2 answers:
klemol [59]3 years ago
7 0

Answer:

the letter "x" is often used in algebra to mean a value that is not known yet. It is called a 'varaible' or sometimes unknown.

kogti [31]3 years ago
6 0

Answer:

It is 65, B

Step-by-step explanation:  because  180-115=65 tell me if you dont get it

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Marcus sorts his 85 baseball cards into stacks of 9 cards each.How many stacks of 9 cards can Marcus make?4th grade homework
laiz [17]
9 stacks of cards and 4 cards left over because when you divide 85 by 9 you get 9.4. So you'd multiply just 9 to get 81 and 4 cards leftover
7 0
3 years ago
How can you use scientific notation to compare the mass of an electron to the mass of a proton
Advocard [28]

Answer:

explained below

Step-by-step explanation:

Because the electro has a smaller mass than the mass of the proton, scientific notation is usually used so that the numbers are on the same "scale" but if we see the scientific notation we may be able to identify which is greater and which is less, due to that the exponent is less the number is smaller and on the contrary if the number is greater, it is a larger number.

In the image I leave an example of the use of scientific notation in this area

5 0
3 years ago
Express 900 as a product of its prime factors in index form. Write the prime factors in ascending factors.
Lina20 [59]

Answer:

900 = 2 * 2 * 3 * 3 * 5 * 5 = 2^2 * 3^2 * 5^2

Step-by-step explanation:

900/2 = 450

450/2 = 225

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75/3 = 25

25/5 = 5

5/5 = 1

900 = 2 * 2 * 3 * 3 * 5 * 5 = 2^2 * 3^2 * 5^2

7 0
3 years ago
Find the perimeter of the following shape:
Andreas93 [3]

Answer:

31

Step-by-step explanation:

6 0
3 years ago
Graph the following linear equation below, and then determine the solution to the system.​
storchak [24]

Answer:

I believe you have to put a mark at -2 going down and a -5 on the left to right line.

Step-by-step explanation:

Hope this helps!

3 0
3 years ago
Read 2 more answers
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