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lions [1.4K]
3 years ago
9

Patrick invested money into a special savers bank account each year money in the account earns 4% interest after one year, the t

otal amount of money in the account was £291.20 how much did Patrick invest?
Mathematics
1 answer:
Fudgin [204]3 years ago
3 0

Answer: £280

Step-by-step explanation:

After a year, the total amount that was in the account was £291.20 which according to the question is 4% more than the amount Patrick invested.

Assume the amount invested is x.

x + 0.04x = 291.20

1.04x = 291.20

x = 291.20/1.04

= £280

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Your friend has owned a dog for nine years this is one year less than twice as long as he owned a cat how long has your friend o
Oduvanchick [21]

Answer:

He owned Cat for 5 years.

Step-by-step explanation:

Given: Owned dog for 9 years.

           Dog owned year is one year less than twice as long as he owned a cat.

Lets assume the years that cat has been owned be "x".

Now, finding the number years that Cat hes been owned.

As given, Dog owned year is one year less than twice as long as he owned a cat.

∴ using equation to find the Cat´s owned years.

⇒ 2x-1= 9

adding 1 on both side.

⇒ 2x= 10

dividing both side by 2

⇒x= \frac{10}{2}

∴x= 5\ years

Hence, Cat has been owned for 5 years.

6 0
3 years ago
If y varies inversely as the square of x, and y = 1/8 when x = 1, find y when x = 5.
Kisachek [45]
Y = k / x² ( y varies inversely as the square of x ) 
y = 1/8 when x = 1:
1/8 = k / 1²
8 k = 1
k = 1/8
For x = 5:
y = 1/8  / 5² = 1/8 : 25 = 1/8 · 1/25 = 1/200
Answer: A ) 1/200


6 0
3 years ago
5/8 - 4/5 subtract as indicated and express your answer in lowest terms
Nitella [24]

Answer:

-7/40

Step-by-step explanation:

5/8 - 4/5

~Find common denominators

25/40 - 32/40

~Subtract

-7/40

Best of Luck!

4 0
3 years ago
What is NOT the value of the expression |-8|
GarryVolchara [31]
If your asking for the wrong absolute value of it it’s -8 but if you want the right one it’s 8 but I think the answer to your question is -8.
7 0
2 years ago
Read 2 more answers
The senior class at Bay High School buys jerseys to wear to the football games.
marta [7]

Answer:

52 jerseys

Step-by-step explanation:

Equate the equation to 430; 430 = 0.1x^2 + 2.4x + 25

I used calculator for this part, shift + solve (it depends on ur calcu)

And I got 52.761. Since you cannot have .761 jersey I rounded it down.

6 0
2 years ago
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