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Phantasy [73]
3 years ago
8

X= 2 and y = 4, then -X-XY

Mathematics
2 answers:
pochemuha3 years ago
7 0

Answer:

-10

Step-by-step explanation:

Fed [463]3 years ago
5 0

Answer:

-10

Step-by-step explanation:

= -X - XY

= -2 - 2×4

= -2 - 8

= -10

therefore, -X - XY = -10

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33 points!! The line contains the point (4,-2) and is perpendicular to 4x+3y=-6 The equation of the line is:
Deffense [45]

Answer:

y = 3/4 x - 5

Step-by-step explanation:

The slopes of perpendicular lines are negative reciprocals. We find the slope of the given line. Then we can find the slope of the reciprocal.

4x + 3y = -6

Solve for y.

3y = -4x - 6

y = -4/3 x - 2

The slope of the original line is -4/3.

The slope of the perpendicular is 3/4.

Now we need to find the equation of line with slope 3/4 that contains point (4, -2).

y = mx + b

-2 = (3/4)(4) + b

-2 = 3 + b

-5 = b

b = -5

The equation is

y = 3/4 x - 5

5 0
3 years ago
Find the number of possible positive real zeros of f(x)= -7x^4+ 49x^3+ 84x^2.
Solnce55 [7]
B.Two is your answer
5 0
3 years ago
Directions: Select ALL the correct answers.
dybincka [34]

Answer:

b, that each player loaded onto the truck is

proportional to the number of minutes. m. spent loading boxes.

• Cory loaded twice as many boxes as Alonzo.

The equation that represents the number of boxes Cory loaded is

b = 2m.

Step-by-step explanation:

hope this helps

7 0
3 years ago
Three minus the product of two and a number X
Shkiper50 [21]

The equation is 3-2x

4 0
3 years ago
Evaluate -x + 2.7 for x =0.9
DiKsa [7]
Plug in 0.9 for x

-(x) + 2.7

- (0.9) + 2.7

simplify

2.7 - 0.9 = 1.8

1.8 is your answer

hope this helps
3 0
3 years ago
Read 2 more answers
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