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il63 [147K]
2 years ago
6

Jacob says the following is not a function:

Mathematics
2 answers:
lana66690 [7]2 years ago
6 0

Answer:

he is not correct cuz none of the x factors repeat :)

zzz [600]2 years ago
3 0

Answer:

He is wrong

Step-by-step explanation:

for it to not be a function the x coordinates would have to repeat at some point

ex if it was not a solution:

(1,5)(1,8) (3,7) (5,9) (7,11)

as you can see the 1 repeats which makes it not a function but because your doesn't have anything repeating then its a function

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The sum of three numbers is 3. if the second number is subtracted from the sum of the first and third numbers, the result is 9.
Margaret [11]
Let the three numbers be x, y, and z.

If the sum of the three numbers is 3, then x+y+z=3

If subtracting the second number from the sum of the first and third numbers gives 9, then x+z-y=9

If subtracting the third number from the sum of the first and second numbers gives -5, then x+y-z=-5

This forms the system of equations:
[1] x+y+z=3
[2] x-y+z=9
[3] x+y-z=-5

First, to find y, let's take do [1]-[2]:
x+y+z=3
-x+y-z=-9
2y=-6
y=-3

Then, to find z, let's do [1]-[3]:
x+y+z=3
-x+-y+z=5
2z=8
z=4

Now that you have y and z, plug them into [1] to find x:
x+y+z=3
x-3+4=3
x=2

So the three numbers are 2,-3, and 4.


5 0
3 years ago
SOMEONE PLZZZ HELP ME PLZZZZZZ
qaws [65]

Answer:

hiii

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
A new law requires that 5% of an individual's income to be invested in the stock market. Your accounts show that you need to put
Kaylis [27]

Divide the amount you need to invest by the percentage.

430/0.05 = 8,600

You earned $8,600

4 0
3 years ago
Shane wants to plant 28 marigold plants and 36 rose plants in his garden. What is the greatest number of rows possible if each r
Dennis_Churaev [7]

Answer:

HCF=2*2=4

Step-by-step explanation:

Given :   Shane wants to plant 28 marigold plants and 36 rose plants in his garden  

To Find :  the greatest number of rows possible  each row has the same

number of marigold plants and the same number of rose plants.​

Solution:

marigold plants  = 28

rose plants = 36

To find  the greatest number of rows possible  if each row has the same

number of marigold plants and the same number of rose plants.​

we need to find HCF of 28 and 36

28 = 2 x 2 x 7

36 = 2 x 2 x 3 x 3

HCF = 2 x 2  = 4

greatest number of rows possible  is 4

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If the HCF of (p²-p-6) and (p²+3p-18) is (p-a). Find the value of a ...

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6 0
3 years ago
I have been on this question for so long if anyone can help me I would greatly appreciate it. Thank you
Phoenix [80]

Answer:

Step-by-step explanation:

let x be the number

2(x+8)=-4x+4

2x+16=-4x+4

6x=-12

x=-2

8 0
3 years ago
Read 2 more answers
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