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suter [353]
3 years ago
5

The value of a car depreciates by 35% per year. Work out the current value of a car bought 2 years ago for £20000

Mathematics
1 answer:
Rzqust [24]3 years ago
6 0

First year: the depreciation is (35/100) x 20000 = £7000; now the value of the car is £20000 - £7000 = £13000;

Second year: the depreciation is (35/100) x 13000 = £4550; the current value of the car is £13000 - £4550 = £8450.

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A 1 ​ =7 and a_n=a_{n-1}+4a n ​ =a n−1 ​ +4
user100 [1]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
The diagram shows the ratio of trees Maeve plants to the trees she harvests.
AnnZ [28]

Answer:

WEDNESDAY: 45 planted.

THURSDAY: 22 Harvested.

Step-by-step explanation:

Based on the information given in the problem, Maeve plants 5 trees for every 2 tree she harvests. Then the ratio can be expressed as following:

5:2 or \frac{5}{2}

Then, you can complete the values in the table as you can see below:

<u>WEDNESDAY</u>

\frac{5}{2}=\frac{planted}{18}\\\\planted=\frac{18*5}{2}\\\\planted=45

<u>THURDAY</u>

\frac{5}{2}=\frac{55}{harvested}\\\\(harvested)(\frac{5}{2})=55\\\\harvested=\frac{55*2}{5}\\\\harvested=22

6 0
3 years ago
If f(x)=-2x+8, then find f(x+5)<br> What would the new equation be?
Mars2501 [29]
F(x+5) = -2x - 2

This is because you would distribute the -2 in the original equation and then simplify. 
4 0
3 years ago
An item is priced at $14.92. If the sales tax is 7%, what does the item cost including sales tax?
exis [7]

Answer: 15.96$

Step-by-step explanation:

(14.92 x .07) + 14.92 =15.9644$ simplified is 15.96$

3 0
3 years ago
Two students have different ways to calculate (0.25)⋅(0.044) as a decimal. Show, in detail, how each student might compute this
Ulleksa [173]

Answer:

(0.25)⋅(0.044) = 0.011

Step-by-step explanation:

Two students have different ways to calculate (0.25)⋅(0.044) as a decimal.

Show, in detail, how each student might compute this product. (upload your work when complete)

We are given:

(0.25)⋅(0.044)

= 0.25 × 0.044

a) For Elena

Elena says, "I find 25⋅ 4.4 and then move the decimal point."

What Elena did was she multiplied both

number by 100

= (0.25 × 100) × (0.044 × 100)

We add up the decimal points from 0.25 and 0.044 = 5

Hence, the answer we get in step 1 is divided by 100000 in other it move the brackets

(0.25 × 100) × (0.044 × 100)/100000

= 0.011

b) For Diego

Diego says, "0.25 is the same as 1/4, so I found 1/4 of 0.044."

Diego converted 0.25 to fraction

= 0.25 × 100/100

= 25/100 = 1/4

Since, (0.25)⋅(0.044)

= 0.25 × 0.044

Then:

1/4 of 0.044

= 1/4 × 0.044

= 0.011

7 0
3 years ago
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