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3 years ago

I want to earn $42,000 for a new car, I have 12,678, How much more money do I need to buy the car?

1 answer:

8 0

So, you have $12,678. However, you want to earn $42,000 for a new car. If you want to figure out how much money you need, you need to subtract the number of money you want to earn by the number of money that you already have:

$42,000 - 12, 678 = 29,322$

You would need $29,322 more in order to buy the car.

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What is this? Please answer with an explanation

igomit [66]

At 5 and you do this by setting the inside equal to 0 and solving for x

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3 years ago

Read 2 more answers

A number greater than 4 is rolled on a six-sided number cube. What is the probability of the complement of this event? Express y

JulsSmile [24]

<h3>Answer: 2/3</h3>

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Explanation:

set A = dice values greater than 4 = {5,6}

set B = dice values 4 or less = {1,2,3,4}

Sets A and B are considered complementary because one or the other must happen. You must either roll something larger than 4 (set A) or you must roll something from set B.

There are 4 items in set B out of 6 possible outcomes. That leads us to the answer 4/6 = 2/3

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3 years ago

The sum of two numbers is 20 and the difference is 12. What are the numbers?

svetlana [45]

Answer:

1) A system of two linear equations to represent this problem

x+y=20 and x-y=12

2) The numbers are x=16 and y=4

Step-by-step explanation:

Let x and y be the two numbers

Given that the sum of the two numbers is 20

That is $x+y=20\hfill (1)$

and the difference is 12

That is $x-y=12\hfill (2)$

1) A system of two linear equations to represent this problem

$x+y=20\hfill (1)$

$x-y=12\hfill (2)$

2). Noe Solve the system to find the 2 numbers:

Adding the equations (1) and (2) we get

$x+y=20$

$x-y=12$

_____________

2x=32

$x=\frac{32}{2}$

Therfore x=16

Now substitute x=16 in equation (1) we get

$16+y=20$

$y=20-16$

Therefore y=4

Therefore the numbers are x=16 and y=4

4 0

3 years ago

Describe how (2^3)(2^-4) can be simplified

Naddika [18.5K]

Answer:

Add the exponents and keep the bases the same. Then find the reciprocal and change the sign of the exponent

Step-by-step explanation:

When multiplying exponents with the same base number, you can add the powers. (If it was dividing, you would subtract the powers). You would then get $2^{-1}$ .

2³ = 8,
2² = 4,
2^1 = 2,
2^0 = 1

The pattern is to divide by 2. This means that $2^{-1}$ would be 1 ÷ 2 which is 1/2.

Tip: Any number to the power of -1 means to give its reciprocal.

Hope this helps!

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3 years ago

A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 2:34 p.m.

PIT_PIT [208]

10.6 gallons/3 minutes
3.533... gals per minute

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3 years ago