Evaluate the following expression when x = 3 and y = 4:

Mathematics

1 answer:

SpyIntel [72]2 years ago

4 0

Not 100% sure but I think that it is 14.6

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QUESTION 8. An unknown number is added to 8. The sum is

Rudik [331]

Answer:

Step-by-step explanation:

Let the unknown number be x

If an unknown number is added to 8, this is expressed as;

8 + x

If The sum is then divided by 9 to give the answer 10, then;

(8+x)/9 = 10

Cross multiply

8 + x = 9 * 10

8 + x = 90

x = 90 - 8

x = 82

Hence the unknown number is 82

3 0

3 years ago

You borrow $3750 to buy new fitness equipment.The simple interest rate is 2%. You pay the loan off after 4 years. What is the to

Alinara [238K]

Provided the 2% interest rate. The interest itself over a period of 4 years, compounds to $300. Thus, the total interest plus the cost of the fitness equipment would be a total of, $4,050.

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3 years ago

FREE POINTS! How many packs of DVDs can you buy with $128 if one pack costs $16

Mars2501 [29]

Answer:

Step-by-step explanation: 128 / 16 = 8. So 128 dollars by 16 dollars is 8 dollars

6 0

3 years ago

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Help pls????????????????

Kay [80]

I d o n t k n o w s o g o o d l u c k

7 0

3 years ago

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Please help help help meee

Allisa [31]

Answer:

Kaylaa do you use desmos graphing calculator? it's an online graphsing tool and would make this very easy for you. Maybe you are not allowed to use a calculator?

Step-by-step explanation:

with out a calculator it's a long math process, 1st because each of the equations are equal to Y, we can set each of them equal to each other. like this

$\sqrt{x-8}$ + 3 = - $(x-5)^{2}$ + 18