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liq [111]
3 years ago
13

Y = 2x – 6 y = –4x + 3 will give brainliest

Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

3/2

Step-by-step explanation:

2x-6 = -4x+3

6x = 9

x = 3/2

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In 5 minutes a conveyor belt moves 300 pounds of receyclable aluminum from the delievery truck a smaller belt moves the same qua
ladessa [460]

Answer:

It will take 3.214 minutes.

Step-by-step explanation:

<em>It is given that, the conveyor belt transports 300 cans in 5 mins and the smaller belt transports 300 cans in 9 minutes.</em>

Thus , the speed of conveyor belt is,

= \frac{300}{5} = 60 cans per minute

and of smaller belt is,

=  \frac{300}{9} = \frac{100}{3} cans per minute

Thus, when both are used together,

<em>conveyor belt will transport (60)(t) cans and smaller belt will transport ( \frac{100}{3})(t) cans per minute.</em>

Thus the equation becomes,

300 = (60)(t) + (\frac{100}{3})(t) = (\frac{280}{3})(t)

t = \frac{(300)(3)}{280} = \frac{45}{14} = 3.214 minutes

3 0
2 years ago
Total profit P is defined as total revenue R -= total cost​ C, and is given by the function Upper P left parenthesis x right par
Goshia [24]

Answer:

Step-by-step explanation:

P(x) = R(x) - C(x)

Where,

P(x) = Total profit

R(x) = Total revenue

C(x) = Total cost

R(x)equals150.97 x minus 0.3 x squared

R(x) = 150.97x - 0.3x^2

Upper C left parenthesis x right parenthesis equals 4529.10 plus 0.5 x squared.

C(x) = 4529.10 + 0.5x^2

P(x) = R(x) - C(x)

= (150.97x - 0.3x^2) - ( 4529.10 + 0.5x^2)

= 150.97x - 0.3x^2 - 4529.10 - 0.5x^2

= 150.97x - 0.8x^2 - 4529.10

P(x) = -0.8x^2 + 150.97x - 4529.10

4 0
3 years ago
All the dimensions of a pentagon were multiplied by the same factor, and the area of the figure changed by a factor of 25. By wh
elena-s [515]

5


reason is because if you’re pentagon has lines of 5 then the area would be 25
8 0
2 years ago
ANSWER FOR 30 POINTS!
Darya [45]

Answer:

48

Step-by-step explanation:

27+36-15=63-15=48

5 0
3 years ago
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Classify the triangle with the given side lengths as 1,13,13
Anuta_ua [19.1K]

Answer:

isosceles triangle

Step-by-step explanation:

6 0
3 years ago
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