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Alchen [17]
3 years ago
13

Solve the system of linear equations by elimination. 4x+3y= -5 -x+3y= -10

Mathematics
1 answer:
Georgia [21]3 years ago
5 0

4x + 3y =  - 5 \\ x - 3y = 10 \\  \\ 5x = 5 \\ x = 1 \\  \\ 4 + 3y =  - 5 \\  \:  \: 3y =  - 9 \\ y =  - 3 \\  \\ (1 \:  - 3)
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On a horizontal number line, positive numbers are_____
Bond [772]

Answer:

the horizontal are called x-axis, while the vertical are called y-axis

8 0
3 years ago
Can anyone help me please
statuscvo [17]
Z= 90
It’s a circle theorem, drawing a triangle from a diameter of a circle creates a right angle
And then there’s always 180 degrees in a triangle, so
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8 0
4 years ago
Read 2 more answers
2x + 3 + 4x + 8 = 3x - 10
vodomira [7]

\text {Hello! Let's solve this Equation!}

\text {Your First Step is to Simplify the Equation:}

\text {(2x+4x)+(8+3)}

\text {6x+11=3x-10}

\text {The Next Step is to Subtract 3x:}

\text {6x+11-3x=3x-10-3x}\\\text {3x+11=-10}

\text {Next Step is to Subtract 11:}

\text {Q: Why Subtract 11?}

\text {A: So they cancel out. We cross them out once we subtract.}

\text {3x+11-11=-10-11}\\\text {3x=-21}

\text {The Final Step is to Divide 3:}

\text {3x/3=-21/3}

\text {Your Answer will be}

\fbox {x=-7}

\text {Best of Luck!}

\text {-LimitedX}

8 0
3 years ago
Plsssssss help due today
crimeas [40]
I assume it is the diameter of the outer wheel they are asking for. 

connect OD, which is the radius of the wagon to the outer edge of the wheel. 
OYD is a right triangle. use the hypotenuse theorem:
OY²+YD²=OD²
7²+24²=OD²
OD=√625
OD=25
the radius is 25, the diameter is then 50.

Note: if it is the diameter of the inner circle they are asking for, I don't know. 
6 0
4 years ago
How do I write a decimal or fraction as a percent for 2/5
AleksandrR [38]

Answer:

40%

Step-by-step explanation:

Make it so the denominator is 100 since a percentage is out of a 100.

2/5 x 20/20 = 40/100

Now turn 40/100 into a percent. Should be simple. 40 out of 100 is 40%.

4 0
4 years ago
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