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Mazyrski [523]
2 years ago
7

Hugo took these steps to solve the system of equations.

Mathematics
2 answers:
Rufina [12.5K]2 years ago
8 0

Answer:  C ) No, Hugo forgot to multiply both sides of the first equation in step one.

Step-by-step explanation:

KengaRu [80]2 years ago
4 0

Answer:

C

Step-by-step explanation:

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Solve the equation of x+6-4x=3
sergeinik [125]

Answer:

-3x=-3

x= 1

Step-by-step explanation:

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3 years ago
What is 9-4(2x-1)=45?
Alexandra [31]
<span>9-4(2x-1)=45
Multiply -4 by 2x and -1
9-8x+4=45
Subtract 9 from both sides
-8x+4=36
Subtract 4 from both sides
-8x=32
Divide both sides by -8
Final Answer: x= -4</span>
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3 years ago
Which shows the pre-image of triangle X’Y’Z’ before the figure is rotated 90° about the origin
Xelga [282]

Answer:

From the figure shown the coordinates of W'X'Y'Z' are W'(2, 3), X'(6, 3), Y'(6, 4) and Z'(3, 5)

The coordinates of the pre-image that yeilded W'X'Y'Z' according to the rule (-x, -y) can be obtained by changing the signs of the coordinates of W'X'Y'Z'.

Thus, the coordinates of the pre-image that yeilded W'X'Y'Z' are W(-2, -3), X(-6, -3), Y(-6, -4) and Z(-3, -5).

Therefore, the correct graph is graph c.

(Need to update complete question)

3 0
2 years ago
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Hey guys, I need help with these questions. I need them done by today! Please, help :( There are 4 questions or more I think, I
Orlov [11]

Answer:

Step-by-step explanation:

Domain x^2 - 9 {Solution: - infinity < x < infinity}

Interval notation (- infinity, infinity)

Range of x^2 - 9 (Solution: f(x) is greater than or equal to - 9)

Interval notation (-9, infinity)

Axis interception points of x^2 - 9:

X- intercepts (3, 0) (-3, 0)

Y-intercepts (0, -9)

Vertex of x^2 - 9: Minimum (0, -9)

Solve for f:

f (x) = x^2 - 9

Step 1: Divide both sides by x.

fx / x = x^2 - 9 / x

f = x^2 - 9 / x

Answer:

f = x^2 - 9 / x

8 0
1 year ago
one-third of a number x is equal to 22 less than the number. Write and solve an equation to find the number.
Debora [2.8K]

1  \div 3x = 22 - x
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2 years ago
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