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Readme [11.4K]
3 years ago
7

Please help me, I would very much appreciate it. ​

Mathematics
1 answer:
Gnesinka [82]3 years ago
4 0

Answer:

The answer is B

Step-by-step explanation:

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An item costs $390 before tax, and the sales tax is $35.10. Find the sales tax rate. Write your answer as a percentage.
DanielleElmas [232]

Answer:

Use this pencentage change formula:

New - Old

---------------- x 100

Old

Step-by-step explanation:

390 + 35.10 = 425.1 (New value)

So apply this to the formula:

425.1 - 390

--------------- x 100

390

<em>Which is = 9%</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em> </em><em>Cheers</em><em>!</em><em> </em><em>:</em><em>)</em>

7 0
3 years ago
Help me with #22 Please i need steps too
VladimirAG [237]

Answer:

\frac{1}{2} (8)(x+4)=3(x+6)\\x=2

Step-by-step explanation:

\frac{1}{2} bh=bh\\\\\frac{1}{2}(8)(x+4)=3(x+6)\\4(x+4)=3x+18\\4x+16=3x+18\\4x=3x+2\\x=2

1. set the equation for the area of each shape equal to each other

2. simplify each side until you get 4x+16=3x+18

3. subtract 16 from both sides which will give you 4x=3x+2

4. subtract 3x from both sides which will give you the value of x. x=2

5. check that x=2 is correct by plugging it into the equations

triangle:

area=\frac{1}{2} (8)(2+4)\\area=4(6)\\area=24

rectangle:

area=3(2+6)\\area=3(8)\\area=24

the areas are the same

4 0
3 years ago
Omar bought 22 pounds of sugar for 8 . How many dollars did he pay per pound of sugar? (b) A color printer prints pages in minut
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1] $2.50
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Hope this helps
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This is it! remember that it is undefined because you can't divide by 0.

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Correct answer is 50.27
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