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valina [46]
4 years ago
5

the manufacturing cost of a cell phone was $124 cellars first marked up the cost by 20% sales were poor , so sellers decreased t

he mark up to 15% calculate the old a new price
Mathematics
1 answer:
sergejj [24]4 years ago
5 0

Answer:

old=148.8

new=142.6

Step-by-step explanation:

124*1.2(markup percentage increase)=148.8

100%+20%=120%=1.2(multiplier)

same method for the new price

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D = {x|x is a whole number} E = {x|x is a perfect square between 1 and 9} F = {x|x is an even number greater than or equal to 2
ser-zykov [4K]
<span>E = {x|x is a perfect square between 1 and 9} = {1,4
</span><span>F = {x|x is an even number greater than or equal to 2 and less than 9}
</span><span>D = {x|x is a whole number}
</span>
answer
D ∩ (E ∩ F) = 4
4 0
4 years ago
-⅔ (6x +9) = 18 I really need some help and understanding with this one. Thanks in advance!!
Sever21 [200]

-⅔ (6x + 9) = 18

Apply distributive property. Multipy -⅔ to 6x and 9.

-4x - 6 = 18

Add 6 to both sides so -4x can be alone.

-4x - 6 + 6 = 18 + 6

-4x = 24

To get x alone, divide both sides by -4.

-4/-4x = 24/-4

x = -6

x = -6 is your answer. I hope this helps! Let me know if you need more help or if I got something wrong.

6 0
3 years ago
Which pair(s) of expression are equal in value? Check all that apply
ankoles [38]

Note: Since the symbols for greatest integer function (GIF) and least integer function (LIF) are not given, I will be using the words GIF and LIF in the solution

GIF x means largest integer less than or equal to x, and LIF x means least integer greater than or equal to x.

We need to determine which expressions are equal

Option 1: GIF 4.9 and LIF 3.1

GIF 4.9 =  3

LIF 3.1 = 4

Hence GIF 4.9 ≠ LIF 3.1

Option 2: GIF 15.2 and GIF 14.8

GIF 15.2 = 15

GIF 14.8 = 14

Hence, GIF 15.2 ≠ GIF 14.8

Option 3: GIF -6 and LIF -6

GIF -6 = -6

LIF -6 = -6

Hence, GIF -6 = LIF -6

Option 4: LIF -3.2 and LIF -2.6

LIF -3.2 = -2

LIF -2.6 = -1

Hence, LIF -3.2 ≠ LIF -2.6

Hence, only in Option C the pair of expressions are equal.

3 0
4 years ago
Read 2 more answers
Kyra see a pair of boots that costs $60.00.They are on salenfor 25% off.She also has a coupon for an additional 10% off.How much
nikitadnepr [17]
It's 40.5
60 \times .25 \\ 45 \times .10
4 0
4 years ago
What is the answer to -2 2/5+3 1/4-3/5
galina1969 [7]

Answer:

1/4 or 0.25

Step-by-step explanation:

8 0
3 years ago
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