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Aleksandr-060686 [28]
3 years ago
11

#11 Susannah went shopping and bought 3 pairs of jeans for $138. If each pair cost the same, how much does one pair cost?​

Mathematics
2 answers:
Ratling [72]3 years ago
8 0

Answer:

414

Step-by-step explanation:

138+138+138=414

xenn [34]3 years ago
3 0

Answer:

138/3

46

Step-by-step explanation:

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The price of a sweater was reduced from $20 to $12. By what percentage was the price of the sweater reduced
kirill [66]

Answer:

The price was decreased by 40%

Step-by-step explanation:

Take the original price and subtract the new price

20-12 = 8

Divide by the original price

8/20 = .4

Change to a percent

40 %

The price was decreased by 40%

4 0
2 years ago
Read 2 more answers
Help for 1,2,3,4 please
ikadub [295]

In every case, you're finding the surface area of a rectangular prism. That area is the sum of the areas of the 6 rectangular faces. Since opposite faces have the same area, the formula can be written

... S = 2(LW +WH +HL)

The number of multiplications can be reduced if you rearrange the formula to

... S = 2(LW +H(L +W))

where L, W, and H are the length, width, and height of the prism. (It does not matter which dimension gets what name, as long as you use the same number for the same variable in the formula.)

When you're evaluating this formula over and over for diffferent sets of numbers, it is convenient to let a calculator or spreadsheet program do it for you.

1. S = 2((5 cm)(5 cm) +(5 cm)(5 cm +5 cm)) = 2(25 cm² +(5 cm)(10 cm))

... = 2(25 cm² + 50 cm²) = 150 cm²

2. S = 2(12·6 + 2(12+6)) mm² = 2(72 +36) mm² = 216 mm²

3. S = 2(11·6 + 4(11 +6)) ft² = 2·134 ft² = 264 ft²

4. S = 2(10·4 +3(10 +4)) in² = 164 in²

5 0
3 years ago
Oblicz ułamki 2/8=.../4
Marina86 [1]

Answer:


Step-by-step explanation:


7 0
3 years ago
Please help me with this problem immediately
kari74 [83]

Answer:

Step-by-step explanation:

I don't know

8 0
3 years ago
Read 2 more answers
In Covina, California, the population is 47,000. The population increases 18% every year. Determine how long it will take to rea
Alexxandr [17]

Answer: 8.5 years

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential growth function:

A = P (1 + r) t  

Where:

p = original population

r = growing rate (decimal form)  =18/100 = 0.18

t= years

A = population after t years

Replacing with the values given:

192,000 = 47,000 (1+ 0.18)^t

Solving for t:

192,000/47,000 = 1.18^t

4.08 =1.18^t

ln 4.08 = ln 1.18^t

ln 4.08 =t (ln 1.18)

ln 4.08 / ln 1.18  =t

8.5 years = t

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
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