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Sever21 [200]
3 years ago
8

(-8x⁴y³)(2x⁵y²)+7x⁹y⁵

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0

Answer:

ss

Step-by-step explanation:

STatiana [176]3 years ago
8 0

Answer:

-9x^{9} y^{5}

Step-by-step explanation:

(-8x⁴y³)(2x⁵y²)+7x⁹y⁵  (grouping like terms)

= (-8)(2) (x⁴x⁵) (y³y²) +7x^{9} y^{5}

= -16 x^{4+5} y^{3+2 } + 7x^{9} y^{5}

= -16 x^{9} y^{5} + 7x^{9} y^{5}

= (-16 + 7)x^{9} y^{5}

= -9x^{9} y^{5}

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Burka [1]

we must do the following:

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select the major, the minor and the half and add, like this:

9+0+5+1=15

therefore:

7+6+2=15

also:

\begin{gathered} 8+4+3=15 \\  \end{gathered}

the groups are:

(9,0,1,5); (7,6,2); (8,4,3)

8 0
1 year ago
Need help. and original answer
siniylev [52]

The inequality written in interval notation is therefore -4<x<-1  or (-4, -1)

<h3 /><h3>What are inequalities?</h3>

Inequalities are expressions separated by the mathematical inequalities ≤, ≥, < and >

For instance a < b is a form of inequality.

<h3>What is a number line?</h3>

A number line is a line on which numbers are marked at intervals, used to illustrate simple numerical operations.

From the given number line, we can see that closed circles are on -4 and -1. The inequality written in interval notation is therefore -4<x<-1  or (-4, -1)

Learn more on inequality here: brainly.com/question/24372553

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7 0
2 years ago
Pleaseeeee help (15 points) ​
Elina [12.6K]

Answer:

Step-by-step explanation:

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5 0
3 years ago
What is the rate of change of the equation y=0.86x+3.302
Alchen [17]

The rate of change of the given equation is: 0.86

Step-by-step explanation:

Rate of change or slope is the steepness of a linear function or line.

When an equation is given in the form of slope-intercept form, the co-efficient of x is the slope or rate of change of the equation.

Given equation is:

y=0.86x+3.302

We can see that the co-efficient of x is 0.86

Hence,

The rate of change of the given equation is: 0.86

Keywords: Slope, rate of change

Learn more about slope at:

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3 0
3 years ago
A fruit basket contains seven apples, four bananas, and eight pears. If a piece of fruit is picked at random from the basket, wh
vekshin1

Answer:

1) 0.21

Step-by-step explanation:

This is because there are 4 bananas out of all 19 fruits. 4/19 is equal to 0.21052631578.

5 0
4 years ago
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