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Rus_ich [418]
3 years ago
8

Y = -5x+1 y = 3x – 2 Is (3.8) a solution of the system?

Mathematics
1 answer:
Bezzdna [24]3 years ago
3 0

Answer: No, 3.8 is not a solution.

Step-by-step explanation:

Set -5x+1 equal to 3x-2

-5x+1=3x-2 subtract 3x making it -8x+1=-2 subtract one from both sides and get -8x=-3 divide by -8 and get -3/-8 which equals in decimal form 0.375

Check it

plug in 0.375 for X

-5(0.375)+1= -0.875

3(0.375)-2 = -0.875

It checks out ^_^

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Irina18 [472]

Answer:

Step 1 = 9\sqrt{3}

Step 2 = 4

Step 3 = 25

Step-by-step explanation:

8 0
3 years ago
Katelyn can complete 17 integer questions in one minute. Collin can also complete 17 integer questions in one minute. Which expr
BabaBlast [244]

Answer:

a: 17m + m

Step-by-step explanation:

Each one can answer 17 questions in 1 minute.

Each one can answer 17m questions in m minutes.

The total they can answer is 17m + 17m = 34m.

Every expression that is equal to 34m represents the amount they can both answer in the same number of minutes.

The expression we are looking for does not equal 34m.

a: 17m + m  = 18m

b: 34m  = 34m

c: 2(17m)  = 34m

d: 17m + 17m = 34m

Only choice a does not equal 34m.

Answer: a: 17m + m

5 0
3 years ago
M ∠E = 60° and m ∠G = 85° what is m ∠L?<br><br> A: 180°<br> B: 45°<br> C: 35°<br> D: 85°
Viefleur [7K]

Answer:

The answer is C: 35°

Step-by-step explanation:

The sum of all angles in a triangle is 180°

So, 180°-(60°+85°)

= 180°-145°

= 35°

m∠L = 35°


Hope it helps!

7 0
3 years ago
Sistemas por el método de reducción por suma o resta.<br> (3x+y=4) y (2x-4y=5)
Cloud [144]

The solution to the system of equation is (3/2, -1/2)

<h3>System of equations</h3>

Given the following system of equations as shown;

(3x+y=4 .... * 4

2x-4y=5 ..... * 1

_______________

12x+4y=16

2x-4y=5

Add both equations

12x+2x = 16 + 5

14x = 21

x = 3/2

Substitute x = 3/2 into any of the equation to have;

2x-4y=5

2(3/2) - 4y = 5

3 - 4y = 5

-4y = 5 - 3

-4y = 2

y = -1/2

Hence the solution to the system of equation is (3/2, -1/2)

Learn more on system of equation here: brainly.com/question/25976025

#SPJ1

5 0
1 year ago
The combined volume of two identical cubes is 250 cubic centimeters what is the measure of one cubes edge
Lubov Fominskaja [6]

Answer:

5 cubic centimeters

Step-by-step explanation:

250 divided by 2 = 125

To get to 125 you can do 5 x 5 x 5.

Since it is a cube you have to do Length x Width x Height which is why you do _ x _ x _.

5 0
2 years ago
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