3 years ago

Find an equation for each of the polynomial functions represented below. Leave your answer in factored form.

Mathematics

1 answer:

zmey [24]3 years ago

8 0

Replace values for X and y

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Please help!! Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66

fiasKO [112]

$r=-4-(-9)=-4+9=5 \\ \\ a_{1}=-9 \\ \\ a_{n}=66 \\ \\ a_{n}=a_{1}+(n-1)r \\ \\ -9+5(n-1)=66 \\ \\ -9+5n-5=66 \\ \\ 5n-14=66 \\ \\ 5n=80 \\ \\ n=16 \\ \\ S_{n}= \frac{a_{1}+a_{n}}{2} *n \\ \\ S_{n}= \frac{-9+66}{2}*16=57*8=456$

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3 years ago

Evaluate 2 3/7 × 1 3/7 ,give your answer as a mixed number in its simplest form

svp [43]

Answer:

i guess 3 23/49

Step-by-step explanation:

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3 years ago

Find the slope of the line y = –7 2 x − 5 8 . Simplify your answer and write it as a proper fraction, improper fraction, or inte

Bezzdna [24]

Answer:

Slope = -7/2

Step-by-step explanation:

The standard equation of a line is expressed as y = mx+c

m is the slope

c is the y-intercept

Given the equation y = -7/2 x - 5/8

Compare with the general equation

mx = -7/2x

Divide both sides by x

mx/x = -7x/2x

m = -7/2

Hence the slope of the line is -7/2

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3 years ago

The product of 2 more than 5 times a number and 4 less than three times a number

mote1985 [20]

Sorry I'm not sure if I'm right just my thinking...

set the number to be x so that (5x+2)(3x-4)??

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3 years ago

Choose the model for the problem 2/3 divided by 2.<br> 4/6<br> 1/6<br> 1/3<br> 2/3

olasank [31]

2/3 : 2 = 2/3 x 1/2 = 2/6 = 1/3

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3 years ago

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