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Ber [7]
2 years ago
8

Please help me I’m lost

Mathematics
1 answer:
Alecsey [184]2 years ago
8 0

Answer:

look it up on google if you havent tried already. also it doesn't hurt to ask for help from someone you know.

Step-by-step explanation:

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Solve the system of equations below by elimination.<br> (Show your work)<br> 2x+3y=1<br> 5x+7y=3
nikdorinn [45]

Answer:

-2x+2y+3z=0

-2x-y+z=-3

2x+3y+3z=5

---------------

-2x+2y+3z=0

-2x-y+z=-3

---------------- Subtract

3y + 2z = 3 Eqn A

=========================

-2x-y+z=-3

 

2x+3y+3z=5

---------------- Add

2y + 4z = 2

6y + 4z = 6 Eqn A times 2

------------------------------------ Subtract

-4y = -4

y = 1

-----------------

z = 0

-------------------

x = 1

8 0
2 years ago
Can somebody answer this math question I’m lost
almond37 [142]

Answer:

2

x

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+

4

x

−

6

Step-by-step explanation:

4 0
2 years ago
What is the coefficient in the mathematical expression?
barxatty [35]

Using it's concept, it is found that the coefficient of the mathematical expression 7m² + 2(19) is of 7.

<h3>What is the leading coefficient of a polynomial?</h3>

The leading coefficient of a polynomial is the <u>term that multiplies the highest exponent</u>.

In this problem, the expression is given by:

7m² + 19.

The highest exponent is of 2, in m², hence the leading coefficient is of 7.

More can be learned about the coefficient of a mathematical expression at brainly.com/question/24380382

#SPJ1

4 0
1 year ago
One evening, Mr. Smith, Sam, and Sydney went to see the Myrtle Beach Pelicans’ Game. They each bought a ticket and a hat that co
o-na [289]

Answer:

You can't answer this question without knowing the total amount of money they all had in total.

3 0
3 years ago
How far will a jet travel in 2 hours and 30 minutes if its average speed is 450 miles per hour?
Nezavi [6.7K]
Distance = rate x time

D = 450 mph x 2.5 h
D = 1,125 miles
5 0
3 years ago
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