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ycow [4]
3 years ago
10

Tom needs to drive 21 miles to work. So far, he has driven 2.2 miles. How many more miles must he drive?

Mathematics
2 answers:
wolverine [178]3 years ago
4 0
Tom needs to drive 18.8 more miles
Aleks [24]3 years ago
3 0
Tom needs to drive 18.8 miles
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The number of Xbox ones sold since 2013 at Bargain Buy electronic store can be modeled by the function N(t) = 5t + 9 and the pri
lara [203]

Answer:

R(t)=10t^3+3t^2+3t+54

Step-by-step explanation:

The Number Sold since 2013, N(t) = 5t + 9

Price per system, P(t) = 2t^2- 3t + 6

Revenue = Number of System Sold X Price per system

=N(t)XP(t))

= (5t + 9)(2t^2- 3t + 6)\\$Distribute\\=5t(2t^2- 3t + 6)+ 9(2t^2- 3t + 6)\\=10t^3-15t^2+30t+18t^2-27t+54\\=10t^3-15t^2+18t^2+30t-27t+54\\R(x)=10t^3+3t^2+3t+54

7 0
3 years ago
Which of these lengths could be the sides of a triangle?
Rom4ik [11]

Answer:

3 cm, 10 cm, 8 cm

Step-by-step explanation:

sum of any two sides greater than the third side length

4 0
3 years ago
Determine the domain and range of f(x) = |2x + 1|
Marat540 [252]

Answer:

domain - all real numbers

range - y is greater then or equal to 0

Step-by-step explanation:


5 0
3 years ago
Part A: The area of a square is (4x^2 - 12x + 9) square units. Determine the length of each side of the square by factoring the
AlexFokin [52]

Answer: Area = side²

If Area = 4x² + 12x + 9, then the side is the √(4x² + 12x + 9)

Let’s factor 4x² + 12x + 9

What two numbers multiply to be 36 (which came from 4 * 9) add up to be 12?

6 and 6 are the two numbers, because 6 * 6 = 36, and 6 + 6 = 12.

We can break 4x² + 12x + 9 into (4x² + 6x) + (6x + 9)

Factor 4x² + 6x, the greatest common factor is 2x, so the 2x goes on the outside, leaving us with 2x + 3 on the inside, so that gives us 2x * (2x + 3).

Factor 6x + 9, the greatest common factor is 3, so the 3 goes on the outside, leaving us with 2x + 3 on the inside, that gives us 3 * (2x + 3).

Now we have the 4x² + 12x + 9 written as 2x (2x + 3) + 3 (2x + 3). Since we now have a common factor, 2x + 3, we can combine them by adding 2x (2x + 3) + 3 (2x + 3) as like terms, so we now have (2x + 3) * (2x + 3).

We can simplify (2x + 3)(2x + 3) into (2x + 3)².

There. The simplest factored form of 4x² + 12x + 9 is (2x + 3)²

Ok, the Area = (2x + 3)²

Let’s solve for the side

(2x + 3)² = side²

square root both sides and take the positive root

side = √(2x + 3)²

side = 2x + 3

The side length is: 2x + 3 units

I hope you get a good grade lol :)

Step-by-step explanation:

3 0
3 years ago
What is 413 divided by 7 please show explanation or picture if applicable.
professor190 [17]

Answer: 59 is your answer.

Step-by-step explanation:

Divide and multiply.

Subtract and compare. Be sure the number is less than the divisor.

Bring down the next number. Divide and multiply.

Subtract and compare. Be sure the number is less than the divisor.

3 0
3 years ago
Read 2 more answers
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