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3 years ago

How is a table helpful when constructing equations

1 answer:

4 0

Alo friend!

Different components in a table are to be identified as described in the verbal description. It important that the student correctly interprets which parts of the figure are known and which should be labeled with an unknown. <span>In this step, using an animation (or a table) as part of an example can aid in distinguishing between these two aspects of the problem.

Hope this helps! (Don't forget Brainliest!)</span>

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shusha [124]

Step-by-step explanation:

-4x + 3 < 23

-4x < 20

x > -5

hmm,I don't think we need to put equal sign instead of (<) , for when we started calculating.

we can just keep the question as it is and calculate.

3 0

2 years ago

Read 2 more answers

Need help on this question if you could help that would be great.

yanalaym [24]

I’m pretty sure it’s 25

7 0

2 years ago

Which shuttle service has a greater initial value?

Irina-Kira [14]

Answer: The Quick shuttle has a greater initial value

Step-by-step explanation:

The We-Drive Shuttle has a initial value of $20 and the Quick Shuttle has an inital value of $30

6 0

2 years ago

Mr.Jack have $128.The man give $22 back. Mr. Jack now have $106.How many the man have now?

damaskus [11]

Amount of money Mr Jack had:- $128
amount of money the man gave back:- $22
amount of money Mr Jack have now :- $106
amount of money the man has now :- 128 - 22
= 128 - 106
= 22

Answer :- $22

8 0

2 years ago

Micah is writing a function that models the height a dolphin reaches when it propels itself from underwater to the surface, leap

stepladder [879]

Answer:

The dolphin will be above the surface of the water for 2 seconds.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}$

$\Delta = b^{2} - 4ac$

The height of the dolphin after t seconds is given by:

$h(t) = -16t^2 + 96t - 128$

According to Micha's model, how long will the dolphin be above the surface of the water?

It stays above the surface of the water between the first and the second root. Initially, it is below water, when the first time for which $h(t) = 0$ it crosses the surface upwards, and then the second time for which $h(t) = 0$ it crosses the surface downwards.