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Elza [17]
3 years ago
15

In a particular year, the United States had a national debt of 1.1 x 1013 U.S. dollars.

Mathematics
1 answer:
kolezko [41]3 years ago
4 0
The answer is to your question is 100:1
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3x+3=3y<br> 2x-6y=2<br><br> (Solving Systems Of Linear Equations By Elimination)
Sergio [31]
3x+3=3y ⇒ 3y-3x=3 ⇒3(y-x)=3 ⇒ y-x=1
2x-6y=2 ⇒ 2(x-3y)=2 ⇒ x-3y=1

We must to collect two equations.
x's is lost;
y-3y=2
-2y=2
y=-1   ; x-3.(-1)=1  
⇒ x=-2

Answer is (-2,-1)

8 0
3 years ago
Help please!!! can you show me how to do this??
IrinaK [193]
\frac{3x - 2}{x^{2} - 2x - 3} - \frac{1}{x - 3} = \frac{3x  -2}{(x + 1)(x - 3)} - \frac{1}{x - 3} = \frac{3x - 2}{(x + 1)(x - 3)} - \frac{1(x + 1)}{(x + 1)(x - 3)} = \frac{3x - 2}{(x + 1)(x - 3)} - \frac{x + 1}{(x + 1)(x - 3)} = \frac{2x - 3}{(x + 1)(x - 3)}
5 0
3 years ago
I need help with number 18
algol13

Answer:

61.6666666667 =61.67

Step-by-step explanation:

4 0
3 years ago
A hiker at a state park climbs to a ridge 1,220 feet higher than where she left the car. Then she hikes 670 feet down a steep cl
DedPeter [7]

Answer:

549 ft

Step-by-step explanation:

take 670ft away from 1,220 ft ( not all the way sure of I'm right)

6 0
3 years ago
If the perimeter of the top of desk is 54 inches the length of the desk is
allsm [11]
Formula: 2width+2length=perimeter


length=15inches

width=?

Perimeter=54inches

2*15=30 (There are two sides for the length)

54-30=24

24/2=12 (There are two sides for the width)

The width of the desk is 15 inches

----
-Geekhawk 

4 0
3 years ago
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