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yawa3891 [41]
3 years ago
10

Get as many people to answer this question will give brainiest for free!!!!

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0

Answer:

how tho. people I summon y'all lol

aivan3 [116]3 years ago
5 0

Answer:

so you just want people to answer

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3.1 Factorise completely<br><br>3.1.2 3x2 - 2x - 8​
Ugo [173]

Answer:

3x² – 2x – 8

=> 3x² – 6x + 4x – 8

=> 3x( x – 2 ) + 4( x – 2 )

=> ( 3x + 4 ) ( x – 2 )

Therefore,

Either, 3x + 4 = 0

3x = - 4

x = - 4/3 (Ans)

And,

x – 2 = 0

x = 2 (Ans)

7 0
2 years ago
Read 2 more answers
Fifty 6th grade students chose to play outside for free time. This is 25% of the 6th grade class. How many total students are th
Elena L [17]
Answer- 200

you need to find what number who’s 25th percent equal 50
7 0
2 years ago
Deon earns $91 washing 7 dogs. At this rate, how many dogs did Deon wash to earn $117?​
mamaluj [8]
$91/ 7 = $13 per dog
$117/$13 = 9 dogs
He washed 9 dogs
4 0
3 years ago
School rules permit no fewer than 2 teachers per 25 students. There are at least 245 students enrolled in the school. If x repre
NISA [10]
First, let's write down this inequality:
<span>There are at least 245 students enrolled in the school.

 y≥245

This inequality says what the sentence says!

now, the number of teachers must be:
x≥2*(y/25)
 (two times the number of groups of students of 25!)

so those two inequalities, taken together will be the answer!
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6 0
3 years ago
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Graph the inverse of the function.
Ghella [55]

Answer:

The graph of the inverse function is the same that the graph of the original function

Step-by-step explanation:

step 1

Find the equation of the function in the graph

Let

f(x) ---> the function in the graph

we know that

Is a linear function

take the points (0,6) and (6,0)

<em>Find the slope of the linear function</em>

m=(0-6)/(6-0)\\m=-1

<em>Find the the equation of the linear function in slope intercept form</em>

f(x)=mx+b

we have

m=-1

b=6 ---> the y-intercept is given

substitute

f(x)=-x+6

step 2

Find the inverse of the function f(x)

Let

y=f(x)

y=-x+6

<em>Exchange the variables (x for y and y for x)</em>

x=-y+6

Isolate the variable y

y=-x+6

Let

f^{-1}(x)=y

f^{-1}(x)=-x+6

f^{-1}(x)=f(x)

In this problem the graph of the inverse function is the same that the graph of the original function

4 0
3 years ago
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