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swat32
3 years ago
11

Using n to represent the cost of an item in dollars before tax and t to represent the amount of sales tax in dollars for that it

em, complete the equation to show the relationship between n and t.
_= 0.085_​
Mathematics
1 answer:
love history [14]3 years ago
4 0

Answer:

not sure about the answer

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SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!
boyakko [2]

Answer:

y^2 + 8y + 16

Step-by-step explanation:

(6y^2 + 2y + 5) - (5y^2 - 6y - 11) =

The first set of parentheses is unnecessary, so it can just be removed.

= 6y^2 + 2y + 5 - (5y^2 - 6y - 11)

To remove the second set of parentheses, you must distribute the negative sign that is to its left. It changes every sign inside the parentheses.

= 6y^2 + 2y + 5 - 5y^2 + 6y + 11

Now you combine like terms.

= 6y^2 - 5y^2 + 2y + 6y + 5 + 11

= y^2 + 8y + 16

7 0
3 years ago
WILL MARL BRAINLIEST!!!!!!!
Salsk061 [2.6K]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
4 1/2 + 1 + 2 + 1 1/4 + 1/2 + 2/4 how did you get the answer
Anestetic [448]
Your answer is 9 3/4.
6 0
3 years ago
Read 2 more answers
Try this X varies directly as y and jointly as z, and x = 20, when y=3 and z= 4 a. Find the constant b. What is the formula conn
Viktor [21]

Answer:

Step-by-step explanation:

as x is direct to y hence

x∝y

also given x∝z combine these two equation we get

x∝y*z

now insert b as constant

x=b*y*z

as given x=20, y=3 , z=4 putt in above equation we get

b=20/3*4 =5/3 =1.666

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5 0
3 years ago
9(8 - x) = 3x<br> Will mark brainlest!
Bess [88]

Answer: x = 6

Step-by-step explanation:

9(8 - x) = 3x

72 -9x = 3x

add 9x to both sides

72 = 12x

divide 72 by 12

x = 6

3 0
3 years ago
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