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icang [17]
3 years ago
15

Helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
3 0

Answer:

its B

Step-by-step explanation:

pls do not listen to the other person

you have to add the tax so multiplying the two together instead of just adding them would get the same number

(also x+0.05x is literally 1.05x anyway)

hope this helps <3

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John is going camping, and he needs to buy a tent. The outdoor store has one that cost $90, but it's on sale for 25% off. What i
pochemuha

Answer:

A

Step-by-step explanation:

<em>Okay so, im not the best at explaining, but so we have a percentage. its 25%. you want to take the 25% and put it over 100 because a percentage is a number or ratio expressed as a fraction of 100. so it will be written as 25%/100</em>

<em />

<em>divide 25 by 100 and you get 0.25, correct? so that's one step further towards the answer.</em>

<em>then we write x/90 because we don't know (well we do) what we're gonna put. but, we're gonna multiply 0.25 by 90 and we get 22.5, which is equivalent to </em><em>22.50</em><em>.</em>

7 0
2 years ago
Read 2 more answers
X-4y=28 2x+y=2 Elimination
makvit [3.9K]

\left\{\begin{array}{ccc}x-4y=28\\2x+y=2&\text{multiply both sides by 4}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-4y=28\\8x+4y=8\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad9x=36\qquad\text{divide both sides by 9}\\.\qquad\boxed{x=4}\\\\\text{Put the value of x to the second equation:}\\\\2(4)+y=2\\8+y=2\qquad\text{subtract 8 from both sides}\\\boxed{y=-6}\\\\Answer:\ \boxed{x=4\ and\ y=-6\to(4,\ -6)}

3 0
3 years ago
Solve for k pls ! <br> extra letters for the question: whfjndnfnfn
makvit [3.9K]

Answer:

k=5

Step-by-step explanation:

hope this was helpful!! c:

8 0
3 years ago
A sells to b an item at 15% profit. B sells the same item to c at 20% profit. If c pays $1656 for it. What is the price at which
andrew11 [14]

Answer:

<em>The price at which A bought the item is $1200.</em>

Step-by-step explanation:

Suppose, the price at which A bought the item is  x dollar.

A sells the item to B at 15% profit. That means, the selling price to B = x+(0.15*x)=1.15x dollar.

B sells the same item to C at 20% profit. That means, the selling price to C = 1.15x+(1.15x*0.20)=1.38x dollar.

Given that, C pays $1656 for the item. So, the equation will be.......

1.38x=1656\\ \\ x=\frac{1656}{1.38}=1200

So, the price at which A bought the item is $1200.

8 0
2 years ago
Can you help me on this one please
Vera_Pavlovna [14]
Answer: x ≥ 1307

Explanation:

First, write the formula:
monthly fee: $14
minute rate: 7¢ or $0.07
total charge: $105.49
.07x + 14 ≥ 105.49  (the sign is this way because they said this price was the least she had been charged for a month. 
You can solve for x just like you would in an equation by making the ≥ sign an equal sign
.07x + 14 = 105.49 
        - 14      -14
.07x = 91.49
÷ .07     ÷ .07
x = 1307 minutes 
since you didn't divide by a negative number, the inequality sign stays the same:
x ≥ 1307
8 0
3 years ago
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