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weqwewe [10]
2 years ago
10

Pls Help! Which equation matches the given points?

Mathematics
1 answer:
ira [324]2 years ago
5 0

Answer:

  D) y = −2/5x

Step-by-step explanation:

In the equation for a line ...

  y = mx +b

the constant 'b' is the y-intercept of the line. The y-intercept is the value of y when x = 0.

The point (0, 0) tells you the y-intercept is 0, or b=0. That reduces the equation to the form ...

  y = mx

The value of m is most easily found if you have a point where x=1. In that case, ...

  y = 1m

  y = m

In the given list of points, there is one that is helpful here: (1, -0.4). That is, the equation for the given points is ...

  y = -0.4x

The answer choices are given as fractions, so you must convert -0.4 to the fraction -2/5.

  y = -2/5x . . . . describes the given points

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The green darner is one of the largest dragonflies. It weighs about four hundredths of an ounce. Write four hundredths in standa
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Answer:

Four hundredths

In standard form - 4\times 10^{-2}

Step-by-step explanation:

Given : The green darner is one of the largest dragonflies.

It weighs about four hundredths of an ounce.

To write : Four hundredths in standard form.

Solution :

Standard form is when we write a larger number in a smaller way.

For example : 20000= 2\times 10^4

So, according to question

Largest dragonflies weighs about four hundredths of an ounce.

Four hundredths means 0.04

In standard form - 4\times 10^{-2}

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Answer:

Step-by-step explanation:

Alright, lets get started.

The given expression is :

(\frac{r}{32s} )^{\frac{8}{5} }

It could be written as

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32 could be written as 2^{5}

So, replacing that in our expression

(\frac{r}{s} )^{\frac{8}{5} }*(\frac{1}{2^{5} } )^{\frac{8}{5} }

(\frac{r}{s} )^{\frac{8}{5} }*(\frac{1}{2} )^{5*\frac{8}{5} }

(\frac{r}{s} )^{\frac{8}{5} }*(\frac{1}{2} )^{8}

\frac{1}{256}*(\frac{r}{s} )^{\frac{8}{5} }

This is the simplified form of given expression.  :  Answer

Hope it will help :)




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Step-by-step explanation:

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