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Klio2033 [76]
2 years ago
6

Can someone help me with this

Mathematics
1 answer:
Art [367]2 years ago
5 0

Ans57 , 58 , 59

Step-by-step explanation:

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Y = -5x + 15 2x + y = 12
Nana76 [90]

Answer:

x = 1, y = 10

Step-by-step explanation:

y = -5x + 15 --- Equation 1

2x + y = 12 --- Equation 2

Substitute y = -5x + 15 into Equation 2:

2x + y = 12

2x - 5x + 15 = 12

Evaluate like terms.

15 - 3x = 12

Isolate -3x.

-3x = 12 - 15

Evaluate like terms.

-3x = -3

Find x.

x = -3 ÷ -3

x = 1

Substitute x = 1 into Equation 2:

2x + y = 12

2(1) + y = 12

2 + y = 12

Isolate y.

y = 12 - 2

y = 10

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3 years ago
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algol13

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There’s nothing to solve?

Step-by-step explanation:

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krek1111 [17]

Answer:

3/8

Step-by-step explanation:

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3 years ago
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if n is a positive integer, for what values of n is the function f(x) =x to the power of n a) even b) odd
Otrada [13]
f(x)=x^n;\ n\in\mathbb{Z^+}\\\\
function\ is\ even\ when\ f(-x)=f(x)\\\\function\ is\ odd\ when\ f(-x)=-f(x)\\\\a)\ f(x)\ is\ even\ when\ n\ is\ even:f(-x)=(-x)^n=x^n=f(x)\\\\b)\ f(x)\ is\ odd\ when\ n\ is\ odd:f(-x)=(-x)^n=-x^n=-f(x)
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3 years ago
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