3 years ago

What is an inequality? where would u use them in the real world

1 answer:

4 0

An inequality is comparing the relation of two equations that are not equal.

Depending on a persons cell phone plan, if they can only talk for so many minutes per month or send so many texts per month, this is an inequality written as number of minutes/ texts per month needs to be less than or equal to the allowable amount.

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Plis help with this. - - -

madreJ [45]

Answer: 16

Step-by-step explanation:

multiplying by negative exponents can be a little tricky. So (1/4x)^-2 becomes 16/x^2 = __/x^2 so the missing number is 16

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3 years ago

Which point is located on the x-axis of a coordinate grid?

Leokris [45]

I don't see the grid? did you attach a photo?

6 0

3 years ago

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The first astronaut on mars tossed a rock straight up.the height h measured in feet after tt seconds is given by function h(t)=-

Artemon [7]

Answer:

h'(t)= -12

Step-by-step explanation:

h'(t)=d/dt (-6t x 2 + 24 + 6)

h'(t)=d/dt (-12t + 24 + 6)

h'(t)=d/dt (-12t + 30)

h'(t)=d/dt (-12t) + d/dt (30)

h'(t)= -12+0

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3 years ago

Hector must find the sum of 50+83+50 by using mental math. Which property allows Hector to simplify the equation to 50+83+50 and

GenaCL600 [577]

I'm pretty sure it's commutative.

3 0

3 years ago

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The time is 2:46 PM. What is the measure of the angle that the minute hand swept through since 2:00 PM?

Sonbull [250]

The minute hand has swept through 46 minutes on the clock. You have to set up a ratio to solve this:

$\frac{46\ minutes}{60\ minutes} = \frac{x\ degrees}{360\ degrees}$

You can compare the 60 minutes on a clock to 360 degrees because 60 minutes on a clock is one whole rotation. So then, you cross multiply and simplify:

$\frac{46\ minutes}{60\ minutes} = \frac{x\ degrees}{360\ degrees}\\\\46*360=x*60\\16560=60x\\276=x$

Therefore, the minute hand has swept through an angle with a measure of 276 degrees.

4 0

3 years ago