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Paraphin [41]
3 years ago
7

The original price for the camera is 150 if a discount of 30% is given, what is the discounted price

Mathematics
2 answers:
Andreyy893 years ago
5 0

Answer:


Step-by-step explanation: i got 105


bazaltina [42]3 years ago
3 0

Hello,

The camera is $150

The discount is 30%

First multiply the % by 100 to get a decimal

150 * 0.30 = 45

-----------------------------------------------------------------------------------------------------------------

The Camera now costs $105

The discount price was $45

Hope this helps

-GoldenWolfX

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Now the width is w.
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If the length is increased by 4 cm, the length will be 2w + 4.
The width is decreased by 3 cm, so the width will be w - 3.

The are of the new rectangle is 100 cm^2.

area = length * width

area = (2w + 4)(w - 3)

The area of the new rectangle is 100, so we get

(2w + 4)((w - 3) = 100

2w^2 - 6w + 4w - 12 = 100

2w^2 - 2w - 112 = 0

w^2 - w - 56 = 0

(w - 8)(w + 7) = 0

w - 8 = 0   or   w + 7 = 0

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5 0
3 years ago
Colin invests £1500 into a savings account. The bank gives 4% compound interest for the first 3 years and 5% thereafter. How muc
fomenos

1500(1+0.04)^3 = 1687.30

1687.30(1+0.05) = 1771.67 to the nearest pound: 1772

6 0
2 years ago
Which of these best describes a scientific theory
Sidana [21]

Answer:

B.

Step-by-step explanation:

Have a good day i hope this helps :)

4 0
3 years ago
Logan wants to have $130,000 to pay for a surgery on his retractable forearm claws in 30 months. If he can invest money in an ac
dangina [55]

Answer: $107,836.69 or about $107,837 (to the nearest dollar)

Step-by-step explanation:

Formula to the  accumulated amount received after investing principal amount (P) at rate of interest (r) compounded monthly for t months :

A=P(1+\dfrac{r}{12})^{t}

As per given , A = $130,000

r= 7.5% = 0.075

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Now,

130000=P(1+\dfrac{0.075}{12})^{30}\\\\\Rightarrow 130000=P(1+0.00625)^{30}\\\\\Rightarrow 130000=P(1.00625)^{30}\\\\\Rightarrow 130000=P \times1.20552661036\\\\\Rightarrow\   P=\dfrac{130000}{1.2055266}=107,836.69

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8 0
3 years ago
If the simple interest on ​$6,000 for 2 years is ​$840​, then what is the interest​ rate?
ankoles [38]

Answer:

7 %

Step-by-step explanation:

  • i do not know if you use this but I use S.I=P×R/100×T
  • S.I=840
  • P for principal(the money you borrow or lend) =6000
  • T for time=2 years.
  • R for rate=???
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5 0
3 years ago
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