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soldier1979 [14.2K]
3 years ago
13

Plzz im dumb i need your help

Mathematics
1 answer:
likoan [24]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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\begin{aligned} &y=2x -1 \\\\ &5x-4y=1 \end{aligned} ​ y=2x−1 5x−4y=1 ​ Is (1,1)(1,1)left parenthesis, 1, comma, 1, righ
iVinArrow [24]

Answer:

Therefore, ( 1 , 1 ) is the Solution to the Given Equations

y=2x-1  

5x-4y=1

Step-by-step explanation:

Given:

y=2x-1   ..............Equation ( 1 )

5x-4y=1 ..............Equation ( 2 )

To Find:

x = ?

y = ?

Solution:

y=2x-1   ..............Equation ( 1 )

5x-4y=1 ..............Equation ( 2 )

Substituting equation 1 in equation 2 we get

5x-4(2x-1)=1\\applying\ distributive\ property\ we\ get\\5x-8x+4=1\\\\-3x=1-4=-3\\\\x=\frac{-3}{-3}=1\\ \therefore x = 1\\

Substituting 'x' in Equation ( 1 ) we get

y=2\times 1-1\\\\y=1\\\\\therefore y =1\\

Therefore, ( 1 , 1 ) is the Solution to the Given Equations

y=2x-1  

5x-4y=1

5 0
3 years ago
Calculate the volume of the figure.
Margarita [4]

Answer:

Step-by-step explanation:

Formula

Volume = L * w * h

Givens

L = 7 feet

w = 4 feet

h = 5 feet

Solution

V = L * w * h             Substitute values into the formula

V = 7 * 4 * 5

V = 140 cubic feet.

Answer

140 ft^3

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