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vivado [14]
3 years ago
12

Solve the system X plus 3Y equals 5X plus 4Y equals six

Mathematics
1 answer:
Art [367]3 years ago
3 0

Answer:

x+3y = 6

or, x = 6-3y.................(1)

3x+5y =6..........(2)

Substituting x = 6-3y in equation (2),

3 (6 - 3 y)+5 y =6

or, 18 - 9y +5y=6

or, y = 3

x = 6 - 3y = 6- 3.-3 = -3

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Answer:

p = 7w

Step-by-step explanation:

It is given that :

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3 years ago
What number is 32% of 75?
Elza [17]
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Solve. 4.75t + 5 = 13.5t + 12 The solution is t = .
Eddi Din [679]
Answer: t= -0.799
This can also be written as t= -0.8

How to do it :

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next, subtract 12 from each side
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next, divide 8.76 from each sides

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7 0
2 years ago
3x^2-5x-7 find the sum and product​
Bad White [126]

Answer:

s =  \frac{5}{3}

p =  \frac{7}{3}

Step-by-step explanation:

for this equation

a=3

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c = -7

The sum of equal to

-  \frac{b}{a}

and the product is equal to

\frac{c}{a}

. All you do is replace the values. You can prove both of those using the quadratic formula.

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