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k0ka [10]
1 year ago
12

two numbers have these properties: the second number is three more than the first and the product of the numbers is nine more th

an their sum. what are the two numbers?
Mathematics
1 answer:
serg [7]1 year ago
8 0

Answer:

 A.

 asked • 01/09/17there are 2 numbers with the following properties.

1)the second number is 3 more than the first number.

 

2)the product of the two numbers is 9 more than their sum

 

 

wich of the following represents the possible values of the two numbers?

 

a)-6 and -3

 

b)-4 and -1

 

c)-1 and 4

 

d)-3 and 6

FACTORING INVOLVES THIS WORD PROBLEM

 Follow • 2

 Add comment

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Simplify the following rational expression and express in expanded form.
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Answer:

D m =  -\frac{3}{8}

Step-by-step explanation:

factor the expressions in the denominator and the numerator to simplify the expression:

=> \frac{2(-2m + 1)(2m - 1)}{2(2m - 1)(8m + 3)}

=> -\frac{2m + 1}{8m + 3}

to make a fraction undefined, the numerator should be 0, thus, we substitute the values of m from the options into the denominator to make the denominator equals to 0:

=> -\frac{2m + 1}{8(-\frac{3}{8} ) + 3} = -\frac{2m + 1}{-3 + 3} = -\frac{2m + 1}{0}

in this case, the values of m from option D make the denominator of the fraction equals 0.

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3 years ago
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Answer:

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Step-by-step explanation:

recall the formula for kinetic energy

KE = (1/2) mv²

where m is the mass (= 4kg)  and v is the velocity(=12 m/s)

hence

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3 years ago
Maria compared the slope of the function f(x)=(-6x-21) to the slope of the linear function that fits the values in the table bel
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Answer:

b. both functions have a negative slope

Step-by-step explanation:

The given function is

f(x)=-6x-21


This function is of the form y=mx+b, where m=-6 is the slope and b=-21 is the y-intercept.


We can also determine the slope of the function in the table using any two points, say (0,7)\:and\:(2,6).


The slope formula is given by,

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8 0
3 years ago
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