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vagabundo [1.1K]
3 years ago
7

I need help with question 2 on the attatched document.​

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

I'm pretty sure its B but I'm not completely sure, I haven't done this in a while.

Step-by-step explanation:

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JA mattress store in Stafford purchased a mattress at a cost of $255 and marked it up 100%. Later on, Cassie bought the mattress
goldenfox [79]

Answer:

She pays $566.10

Step-by-step explanation:

The mattress store marks a mattress up 100%. 100% of $225 is 225. We add 225 to 225 and get 510. Therefore, the store sells the mattress for $510 without tax. When Cassie buys the mattress, we have to add 11% tax. We change 11% to 0.11 and multiply that by the selling price (510). We get 56.10, so that is the tax. We add the tax to the selling price and get $566.10. Cassie pays $566.10 for the mattress.

I hope this helped and please mark me as brainliest!

6 0
2 years ago
If a polynomial function f(x) has roots 3 and square root of 7, what must also be a root of f(x)
Neko [114]

Answer:

x = - \sqrt{7}

Step-by-step explanation:

Radical roots occur in pairs, that is

x = \sqrt{7} is a root then so is x = - \sqrt{7}

3 0
3 years ago
Read 2 more answers
Factor the algebraic expression below in terms of a single trigonometric function. csc 2x - 1
hjlf
(csc(x) + 1)(csc(x) -1)
5 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!!!!1
Brums [2.3K]
The answer to this question is B
7 0
3 years ago
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What are the coordinates of the intersection of the graphs of 3x - y^2 = 12 and y = -3
inessss [21]

Answer:

(7,-3)

Step-by-step explanation:

y = -3

substitute in the first equation

3x - y^2 = 12

3x - (-3)^2 = 12

3x - 9 = 12

3x = 12 + 9

3x = 21

x = 7

coordinates of intersection (7,-3)

3 0
2 years ago
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