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Nuetrik [128]
3 years ago
14

a dental company has rolls of floss that are 1872 in long they want to put the distance in yards on their labels what is the dis

tance of the roles of floss in yards
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
3 0
The answer is 52 yards
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3 years ago
Find the value of a and of b for which<br>(a) the solution of x2 + ax &lt; b is<br>-2&lt;x &lt; 4​
KengaRu [80]

Answer: a = -2

b = 8

Step-by-step explanation:

Given :

x^{2} +ax

re - writing the equation , we have

x^{2} +ax-b

we need to find the value of a and b for which -2<x < 4 , this means that the roots of the quadratic equation are -2<x < 4.

The formula for finding the quadratic equation when the roots are known is :

x^{2} - sum of roots(x) + product of root = 0

sum of roots = -2 + 4 = 2

product of roots = -2 x 4 = -8

substituting into the formula , we have:

x^{2} -2x-8=0 , which could be written in inequality form as

x^{2} -2x-8

comparing with x^{2} +ax-b , it means that :

a = -2

b = 8

3 0
2 years ago
What is the nearest ten thousand rounded to 836527
motikmotik

Answer:

837,000

Step-by-step explanation:

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Which description best describes the solution to the following system of equations?
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Answer:the base root becomes 45

Step-by-step explanation:

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