3 years ago

Solve the system of equations: X+y+z=5 -3x-4y+4z=15 2x-y-4z=-8

Mathematics

1 answer:

kolezko [41]3 years ago

6 0

Answer:

Solution By Gauss jordan elimination method

x = 3, y = 2 and z = 4

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svetlana [45]

Answer:

Step-by-step explanation:

y × y = $y^{2}$

y × -3 = -3y

$y^{2} -3y$

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Given: <1 congruent to <2<br>prove: AB is congruent to CB

Viktor [21]

Answer:

Because 3 and 2 are vertical angles

Step-by-step explanation:

Vertical angles are always equal or congruent

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3 years ago

FInd the circumference of a circle with a diameter of 6 yd. Use the value 3.14 for x and do not round your answers

Varvara68 [4.7K]

Answer:

C ≈ 18.85yd

Step-by-step explanation:

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2 years ago

F(x) = -7x^2+8x+2 what is the value of the discriminant of f

Murrr4er [49]

Answer:

D = 120, there are 2 real roots for F(x)

Step-by-step explanatU

using the

formula D = b^2 - 4ac for discriminant

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3 years ago

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In early spring, you buy 6 potted tomato plants for your container garden. The plants contained in 8 inch pots sell for $5 and t

prohojiy [21]

X - the number of plants in 8 in pots
y - the number of plants in 10 in pots

$x+y=6\\
5x+8y=36\\\\
x=6-y\\
5x+8y=36\\
5(6-y)+8y=36\\
30-5y+8y=36\\
3y=6\\
y=2\\\\
x+2=6\\
x=4$

4 plants in 8 in pots and 2 in 10 in pots.

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3 years ago