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nataly862011 [7]
3 years ago
12

12q - 6 + 7 - 3q + q

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0

Answer:

10q - 1

Step-by-step explanation:

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The answer should be -3xy^2 (4x^2y^3 + 3x - 4y)
8 0
3 years ago
9. Is the line through points P(7, 3) and Q(11, 0) perpendicular to the line through points R(6, –3) and S(3, 1)? Explain.A)Yes;
Alekssandra [29.7K]

Answer:

C) No, their slopes are not opposite reciprocals.

Step-by-step explanation:

First we find the slopes.

slope of PQ = (3 - 0)/(7 - 11) = 3/(-4) = -3/4

slope of RS = (-3 - 1)/(6 - 3) = -4/3

product of the slopes = (-3/4) * (-4/3) = 1

The slopes are reciprocals, but they are not opposite reciprocals, so the lines are not perpendicular.

7 0
3 years ago
Solve the following system of equations algebraically... NEED HELP PLZ
lana [24]

Answer:

flour $42 , bag of sugar $58

Step-by-step explanation:

let f represent flour and s represent sugar, then

7f + 5s = 584 → (1)

5f + 3s = 384 → (2)

Multiplying (1) by 3 and (2) by - 5 and adding will eliminate s

21f + 15s = 1752 → (3)

- 25f - 15s = - 1920 → (4)

Add (3) and (4) term by term to eliminate s , that is

- 4f = - 168 ( divide both sides by - 4 )

f = 42

Substitute f = 42 into either of the 2 equations and solve for s

Substituting into (1)

7(42) + 5s = 584

294 + 5s = 584 ( subtract 294 from both sides )

5s = 290 ( divide both sides by 5 )

s = 58

The cost of a bag of flour is $42 and cost of sugar is $58

3 0
3 years ago
Algebra one quiz 12.2.3
Montano1993 [528]

Answer:

where is link

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help I need today
Serga [27]

Answer:

x = 62

Step-by-step explanation:

X and 62 are vertical angles and vertical angles are equal.

x = 62

3 0
3 years ago
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