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Sloan [31]
2 years ago
10

Which first step for solving the given system using substitution results in an equation without fractions?

Mathematics
1 answer:
My name is Ann [436]2 years ago
7 0

Step-by-step explanation:

Solve for y in the first equation

3x+y=9

y=8-3y

Hence, no fraction is formed

So, second option is correct

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Angle 6 forms a pair of alternative exterior angles with angle 3.

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Classify the following triangle. Check all that apply.
Igoryamba

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B. Equilateral, and C. Acute.

Step-by-step explanation:

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If you roll a 6-sided die 4 times, what is the probability of one roll being a multiple of 3? A)2/3 B)16/81 C)145/1296 D)65/81 E
DerKrebs [107]

Answer:

671/1296

The probability of rolling at least one six is therefore 1 − 625/1296 = 671/1296 ≈ . 517.

Step-by-step explanation:

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3 years ago
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If y = 7x − 5, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
BaLLatris [955]

Answer:

Correct option is C). {(0, −5), (2, 9), (−3, −26)}

Step-by-step explanation:

Given function is f(x)=7x-5.

Here, Options are given ordered pair

Let, x=0

f(x)=7x-5

f(0)=7(0)-5

f(0)=(-5)

The ordered pair is (0,-5)

Let, x=2

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f(2)=7(2)-5

f(2)=9

The ordered pair is (2,9)

Let, x=(-3)

f(x)=7x-5

f(-3)=7(-3)-5

f(-3)=(-26)

The ordered pair is (-3,-26)

Thus, Correct option is C). {(0, −5), (2, 9), (−3, −26)}

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3 years ago
How old will Susan be 5 years from now?
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I think you forgot to mention Susan's current age if not:

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