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3 years ago

Helpppppppppppppppppppppppppppppppppppppp?

Mathematics

1 answer:

miv72 [106K]3 years ago

6 0

Answer: the dealer wants to make a 1,500 profit

Step-by-step explanation: he should sell the car for 7,500

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Half a number plus 2.5 times that number equals 18. What is the number?

mixas84 [53]

Tua madre Puttana quella troia inculata schifosa

6 0

3 years ago

Joe earns $14 an hour and Blaine earns $18 per hour. Joe receives a raise of $1.75 every six months, and Blaine receives a raise

Katarina [22]

After 4 interval of six months, Joe to earn same hourly rate as Blaine

Solution:

Given that,

Amount earned by Joe = $ 14 per hour

Amount earned by Blaine = $ 18 per hour

Lets assume the number of six month intervals be "x"

Joe receives a raise of $1.75 every six months

Therefore,

Joe earning: 14 + 1.75(number of six month intervals)

Equation for Joe earning: 14 + 1.75x ------- eqn 1

Blaine receives a raise of $0.75 every six months

Therefore,

Blaine earning: 18 + 0.75(number of six month intervals)

Equation for Blaine earning: 18 + 0.75x ------------ eqn 2

The number of six-month intervals it will take Joe to earn the same hourly rate as Blaine,

Eqn 1 must be equal to eqn 2

$14+1.75x = 18+0.75x\\\\1.75x-0.75x = 18-14\\\\1x = 4\\\\x = 4$

Thus after 4 interval of six months, Joe to earn same hourly rate as Blaine.

8 0

3 years ago

A $4000 deposit in an account after 1 year with an APR of 3.6. How much is the balance after 1 year?

BaLLatris [955]

Hi!
Let's divide 4000 by 1000 to see what .1% would be: $4.
Now we multiply 4 by 36 to get 3.6% of 4000: $ 144
Add 4000 and 144 together:40144.
hope this helps!

5 0

3 years ago

A bag contains Ava marbles 6 red marbles and 4 Green marbles what is possibility selecting a red marble replacing it in the bag

Orlov [11]

i think it is

a 40 percent chance

or either 4/10 chance hopefully i helped and if i did plz mark as the brainliest

6 0

3 years ago

Solve for x with steps.

kiruha [24]

Answer:

no real solution is the answer

If you have to list your extraneous solutions somewhere, that would be x=0.

Step-by-step explanation:

Cool thing here is the radical, the thing with the square root, is already isolate.

So we need to square both sides as a first step. (Whenever you raise both sides to even power, you must definitely check your solutions as some might not actually be solutions to the original equation)

So upon squaring both sides I get:

x^4+16=(x^2-4)^2

Now I will write (x^2-4)^2 as (x^2-4)(x^2-4) and foil it! This gives me:

x^4+16=x^4-8x^2+16

Subtract x^4 and 16 on both sides:

0=-8x^2

Divide both sides by -8

0=x^2

Therefore x=0.

0 isn't actually a solution though because when you plug it in you get 4=-4 which is not true.

8 0

3 years ago