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Softa [21]
3 years ago
8

What are the x-intercepts of the function y = x2 – x – 120?

Mathematics
2 answers:
k0ka [10]3 years ago
7 0

Answer:

(1+√481/2,0),(1−√481/2,0)

Step-by-step explanation:

marishachu [46]3 years ago
4 0

Answer:

(1+√481/2,0),(1−√481/2,0)

Step-by-step explanation:

You find this by substituting 0 for y and then solving.

You might be interested in
Question 3: In les Miserables Monsier, Thenardier, and Madame Thenardier are married and during act two, Cosette and Marius beco
Natasha2012 [34]
Answer: 14,515,200

Note: this is a single number (not an ordered triple or a collection of three different numbers) roughly equal to about 14.5 million if you round to the nearest hundred thousand.

----------------------------------------------

Explanation:

There are 13 people. Let's call them person A, person B, person C, ... all the way up to person M. The first four people are given who we'll call A through D. The rest (E through M) aren't really important since they aren't named. 

A = Monsier Thenardier
B = Madame Thenardier
C = Cosette
D = Marius
Peron's E through M = remaining 9 people

------------------

A and B must stick together. Because of this, we can consider "AB" as one "person".
So we go from 13 people to 13-2+1 = 12 "people". 

Likewise, C and D must stick together. We can consider "CD" as one "person". So we go from 12 "people" to 12-2+1 = 11 "people"

------------------

The question is now: how many ways can we arrange these 11 "people" around a circular table? The answer is (n-1)! ways where n = 11 in this case

So, (n-1)! = (11-1)! = 10! = 10*9*8*7*6*5*4*3*2*1 = 3,628,800

We're almost at the answer. We need to do two adjustments. 

First off, for any single permutation, there are two ways to arrange "AB". The first is "AB" itself and the second is the reverse of that "BA". So we will multiply 3,628,800 by 2 to get 2*3,628,800 = 7,257,600

Using similar logic for "CD", we double 7,257,600 to get 2*7,257,600 = 14,515,200

The final answer is 14,515,200


7 0
3 years ago
Which quadrilaterals must have both pairs of opposite angles that are congruent?
pashok25 [27]
The correct answer is c
7 0
2 years ago
If x=9 and y=−3, evaluate the following expression:10−4xy​
ValentinkaMS [17]

Answer:

118

Step-by-step explanation:

10-4xy

10-4(9)(-3)

10-36(-3)

10+108

118

6 0
2 years ago
WHATS THE PERIMITER PLS HELP ME
mihalych1998 [28]
I believe the answer is c
4 0
3 years ago
Find the sum of -3x^2-x-10 and 10x^2+x-10
Jobisdone [24]

Answer:

7x^2-20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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