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geniusboy [140]
2 years ago
13

Solve y=2x-1 2x-y-1=0​

Mathematics
1 answer:
noname [10]2 years ago
3 0

Answer:

Replace all occurrences of y with 2x−1 in each equation.

0=0

y=2x−1

Remove any equations from the system that are always true.

y=2x−1

Step-by-step explanation:

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Find the Roots of the following polynomial. <br><br> x3−5x2+6x = 0
ICE Princess25 [194]

Answer:

(1): "x2" was replaced by "x^2". 1 more similar replacement(s).

Step by step solution :

STEP

1

:

Equation at the end of step 1

((x3) - 5x2) - 6x = 0

STEP

2

:

STEP

3

:

Pulling out like terms

3.1 Pull out like factors :

x3 - 5x2 - 6x = x • (x2 - 5x - 6)

4 0
3 years ago
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8 times the difference between a number and 6 is equal to 4 times the number...
astraxan [27]

Answer:

(A) 12

Step-by-step explanation:

First, lets define the number as x.

"8 times the difference between a number and 6 is equal to 4 times the number" is translated into "8(x - 6) = 4x"

8(x - 6) = 4x

8x - 48 = 4x

4x = 48

x = 12

6 0
2 years ago
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Shipping costs $0.15 per cubic inch. How much will Marcia pay to ship the box? * A.$20 B.$30 C.$40 D.$50
julia-pushkina [17]

Answer:

5×4= 20

20×10= 200

200×0.15 = 30

B. $30

8 0
2 years ago
An automobile manufacturer is preparing a shipment of cars and trucks on a cargo ship that can carry 21,600 Tons. The cars weigh
inysia [295]

Answer:

Number of trucks (y) that can be shipped if the number of cars (x) is known=\frac{21,600-3.6x}{7.5}

Step-by-step explanation:

A cargo ship can carry 21,600 Tons.

Let x denotes number of cars and y denotes number of trucks.

The cars weigh 3.6 tons each and the trucks weigh 7.5 tons each.

Therefore,

3.6x+7.5y=21,600

Now write y in terms of x.

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Number of trucks (y) that can be shipped if the number of cars (x) is known=\frac{21,600-3.6x}{7.5}

3 0
3 years ago
What is the measure of the unknown angle?
bulgar [2K]
A. 145
EXPLANATION:
There are 2 angles in the picture.
Both angles mist add up to 180
Simply do 180 - 35 = 145.
Have a good day
8 0
3 years ago
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