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lana66690 [7]
4 years ago
10

A student is trying to solve the system of two equations given below:

Mathematics
2 answers:
marissa [1.9K]4 years ago
6 0

Answer:

(y+z=6)*-3

Step-by-step explanation:

using this would make the top equation or (y+z=6) turn negative and would be this [-3y-3z=-18) using the distributive property. Since the bottom equation has a positive 3y. The -3y from the top equation and 3y from the bottom ones cancel out leaving you with z=-17 when combining like terms.

SpyIntel [72]4 years ago
4 0

Answer:

c is the answer since you are trying to make the ys number (-/+) of the value the other y contains

(3) so you will multiply the first equation by -3 to be able to eliminate y

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vovangra [49]

Answer:

X = 70, y = 21

Step-by-step explanation:

53 + 6y + 1 = 6y + 54

6y + 54 = 180

180 - 54 = 126

6y = 126

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Y = 21

21 × 6 + 1 = 127

127 = 2x - 13

127 + 13 = 140

140 ÷ 2 = 70

X = 70

Opposite angles are congruent and consecutive angles are supplementary.

Hope that helped and have a great day!

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3 years ago
A team of ranger marked 24 squirrels in a park. Later, a class counted 480 squirrels, 16 of which were marked. To the nearest wh
Hitman42 [59]

Answer: 720

Step-by-step explanation:

480 : 16 marked

480-16 = 464

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8 0
3 years ago
I Shall Name Thee Brainliest! (:
max2010maxim [7]

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Step-by-step explanation:

-7Q + 6 + 5Q = 15 - 7

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6 0
4 years ago
11.44 plus O.7 eqalls
NeTakaya

Answer:

12.14

Step-by-step explanation:

because if 11.44 id added to .7 we add a zero to point .7. .70

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7 0
3 years ago
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Answer:

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