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uysha [10]
3 years ago
14

Evaluate the expression 2x+6 if x = 4

Mathematics
1 answer:
JulijaS [17]3 years ago
8 0
2(4)+6
8+6
=14
you’re welcome :)
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44 points...<br> Multiply.<br> 3/5⋅3/4<br><br> a 9/20<br><br> b 4/10<br><br> c 4/5<br><br> d 5/4
enyata [817]

Answer:

the answer is a

Step-by-step explanation:

3 times 3 is 9, 5 times 4 is 20

9/20

3 0
3 years ago
Show that 3x^2 -2x + 1 is always greater than 0.<br> ( This is an Additional Math Question )
Leviafan [203]

Answer:

3x^2 -2x + 1 =3(x^2-2/3x+1/3)=3(x-1/3)^2+2/9*3= 3(x-1/3)^2+2/3

(x-1/3)^2 is greater or equal to zero

3(x-1/3)^2 is greater or equal to zero

and 2/3 is greater than zero

So there sum is greater than zero

Proved

Step-by-step explanation:

3x^2 -2x + 1 =3(x^2-2/3x+1/3)

Consider x^2-2/3x+1/3

Remember that (a-b)^2 =a^2-2ab+b^2

x^2=a^2

a=x

-2/3x= -2*x*b

b=1/3

S0 (x-1/3)^2= x^2-2/3x+1/9

x^2-2/3x+1/3= x^2-2/3x+1/9+1/3-1/9= (x-1/3)^2+2/9

3x^2 -2x + 1 =3(x^2-2/3x+1/3)=3(x-1/3)^2+2/9*3= 3(x-1/3)^2+2/3

(x-1/3)^2 is greater or equal to zero

3(x-1/3)^2 is greater or equal to zero

and 2/3 is greater than zero

So there sum is greater than zero

Proved

6 0
3 years ago
Pls, answer!!!!. Please answer the Geometry worksheet. 50 points, and brainliest
crimeas [40]

Answer:

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liraira [26]
A. 2 because when you divide the 2 to all the other numbers
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I payed for a subsciption my bank has already been debted but it wont let me use it. why not?
ANEK [815]

Answer:

If your payment didn’t go through, change your preferred payment method/add another payment method.

For example, if your preferred payment method is your bank account, we'll always try to use your bank account first for payments. If there's an issue with your bank account, you can change your preferred payment method to a different one, such as a debit or credit card. If you only have a card registered on your account, try adding and confirming a bank account.

Step-by-step explanation:

hope it help bro

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