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Delvig [45]
3 years ago
13

How does writing equivalent equations help you solve a system of equations?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0
Writing equivalent equations help you solve system of equations because it sets it up for being broken down part by part.

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I don’t know how to find the LCM for this.
nekit [7.7K]

Answer:

B

Step-by-step explanation:

7mn³|7m²n³ ---14mn^5

       | m---2n²

LCM=7mn³×m×2n²

=14m²n^5

or LCM of 7,14 =14

Highest power of m=2

Highest power of n=5

LCM=14m²n^5

6 0
3 years ago
120 times 1.75 show your work plz help me I really dont get it
sineoko [7]
120 * 1.75 = 200

5 times 0 = 0

5 times 2 = 10 carry the 1

5 times 1 = 5 + 1 = 6

7 times 0 = 0

7 times 2 = 14 carry the 1...

7 times 1 = 7 + 1 = 8
1 times 0 = 0
1 times 2 = 2
1 times 1 = 1
add it all together and you get 200.
6 0
3 years ago
What is the equation of the circle whose center and radius are given.
muminat
Hello!

The equation for a circle is

(x - h)^{2}  + ( y - k)^{2} =  r^{2}

(h,k) is the center
r is the radius

Put in the values you know

(x - 7)^{2} + ( y + 3)^{2} = 7^{2}

Simplify

(x - 7)^{2} + ( y + 3)^{2} = 49

The equation is (x - 7)^{2} + ( y + 3)^{2} = 49

Hope this helps!
5 0
3 years ago
Read 2 more answers
3 more than the cube of a number.
Artemon [7]

Answer:

x³+3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Given:
lisov135 [29]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
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