2 years ago

Someone, PLEASE HELP ME ASAP Martha and Howard are running at a constant

Mathematics

1 answer:

denpristay [2]2 years ago

3 0

Answer:

Martha,because he/she runs 4.5 MPH which means he/she runs in 22.5 miles 5 hours

Howard is running 3.2 MPH

Howard will run 16 miles in 5 hours

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For what value of y does 125=(1/25)^y-1

Alex777 [14]

Answer:y=-1/2

Step-by-step explanation:

125=(1/25)^(y-1)

5^3=(5^(-2))^(y-1)

5^3=5^(-2(y-1))

The same base eliminate each other we then have

3=-2(y-1)

3=-2y+2

Collect like terms

2y=2-3

2y=-1

Divide both sides by 2

2y/2=-1/2

y=-1/2

4 0

3 years ago

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Create triangle A’B’C by reflecting triangle ABC over the y-axis on the coordinate plane. What are the new coordinates of the ve

pickupchik [31]

Answer:

Step-by-step explanation:

When talking about reflection, we usually mean reflecting across a line, or axis. Reflecting a shape means looking at the mirror image on the other side of the axis. Consider the point (x,y), if you reflect this point across the y-axis you should multiply the x-coordinate by -1, so you get:

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