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3 years ago

Simplify the following expression five to the power of -3

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

3 0

Hmm I wonder too this is my question exactly crazy.

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Katherine is a personal chef. She charges $115 per four-person meal. Her monthly expenses are $3,150. How many four-person meals

Rama09 [41]

Answer:

44 meals

I really dont know what to say for the explanation but their telling me to write something so... hi

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3 years ago

Simplify the expression 3(9+4x-5)

Xelga [282]

x=24

Step-by-step explanation:

3(9+4x-5)

divide x by 4x to move the x to the other side.

x=3(9+4-5)

9+4=13

x= 3(13-5)

13-5=8

x= 3(8)

x=24

8 0

3 years ago

Slope intercept form

Inga [223]

That's easy to do, do I want me to give u the answer

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3 years ago

The equation of a line is y-4=3(x+2),which of the following is a point on the line?

Greeley [361]

After you re-arrange the equation, you'll find out that you got y=3x+6....okay, this equation is a linear equation, you can use y=mx+b {where m=3, and b=6}. then to find the co-ordinate of (x,y) which is the point, substitute 1,2,3,4.... for x in 'y=3x+6' to figure out the co-ordinate of y.

answer: (1,14), (2,16), (3,19), (4,22)

8 0

3 years ago

What happens to the sign or signs of the coordinates when you reflect a point?

elena55 [62]

Part a: Reflecting a point across the x-axis, changes the sign of the y-coordinate.

Part b: Reflecting a point across the y-axis, changes the sign of the x-coordinate.

Part c: Reflecting a point across both the axes, changes the signs of both the coordinates.

Explanation:

Part a: Reflecting a point across the x-axis

The reflection is a transformation of a figure which represents a flip.

The rule for a reflection over the x -axis is given by

$(x, y) \rightarrow(x,-y)$

Hence, this represents the change of sign of the y-coordinate.

Thus, Reflecting a point across the x-axis, changes the sign of the y-coordinate.

Part b: Reflecting a point across the y-axis

The rule for a reflection over the y -axis is given by

$(x, y) \rightarrow(-x, y)$

Hence, this represents the change of sign of the x-coordinate.

Thus, Reflecting a point across the y-axis, changes the sign of the x-coordinate.

Part c: Reflecting a point across both the axes

The rule for a reflection across both the axes is given by

$(x, y) \rightarrow(-x, -y)$

Hence, this represents the changes the signs of both the coordinates.

Thus, Reflecting a point across both the axes, changes the signs of both the coordinates.

6 0

3 years ago