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Elodia [21]
2 years ago
12

Solve the system of equations algebraically using substitution and elimination

Mathematics
1 answer:
GrogVix [38]2 years ago
3 0

Answer:

my answer is 2x+ 3y=22 because that the answer

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PLEASE HELP!! GIVING BRAINLIEST AND PLEASE EXPLAIN!!!
Ahat [919]

Answer:

64 cm²

Step-by-step explanation:

Area of a square: s²

s = 8 cm

(8)² = 64 cm²

6 0
3 years ago
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PLS HELP ME ASAP I DONT HAVE TIME. IT ALSO DETECTS IF ITs RIGHT OR WRONG.
grin007 [14]

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It should be 9 m :)

Step-by-step explanation:

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12 more than 8,2 times a number n
Sholpan [36]

Answer: 12+8.2n                        

Step-by-step explanation: Your basically adding 12 to 8.2 times n.

6 0
3 years ago
Malcolm ran the 440-yard and the 220-yard dash at a track meet.There are 3 in one yard. How many total feet did Malcolm run?Esti
Tresset [83]

For this case we have the following conversions:

1 yard = 3 feet

The estimate distance Is:

400yd = 1200feet

200yd=600 feet

Ten, the estimate Is:

1200 + 600 = 1800 feet

The real distance Is:

The total distance in yards is given by:

440 + 220 = 660 yd

Then, let's transform this distance to feet, with the given conversion:

660 * 3 = 1980 feet

The distance traveled is reasonable for a person

Comparing the estimate and the actual answer, the distance malcom Ran Is reasonable.

Answer:

Malcolm ran 1980 feet.

The distance is reasonable.

5 0
3 years ago
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Please help me!!!!!!!!!!!
shutvik [7]

The given parabola is y+4=12(x-7)^2. Compare with the standard equation of a parabola in vertex form, y-c=a(x-b)^2.

The vertex of this parabola is (b,c). Compare y+4=12(x-7)^2 with the standard equation y-c=a(x-b)^2.

we see c=-4,b=7. Thus, the vertex of the given parabola is (7,-4).


8 0
3 years ago
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