Simplify 13x - 4[x + (3 - x)].
13x - 12
9x - 1
8x - 12

Answers

Answer 1
Answer: your answer is 13x-12

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Solve the equation 4x-6= 34. Write a reason for each numbered step.

Answers

Answer:

x=10

Step-by-step explanation:

4x-6=34

   +6  +6

4x=40

/4  /4

x=10

(4*10=40)-6=34

Answer:

x = 10

Step-by-step explanation:

4x - 6 = 34

group like terms

4x = 34 + 6

4x = 40

divide both sides by 4

4x/4 = 40/4

x = 10

What is the value of -2.86 + 4.15 - 16.43?​

Answers

Answer: -15.14

Step-by-step explanation:

-2.86 + 4.15 = 1.29

1.29 - 16.43 = 15.14

The answer is -15.14! x

0.63 =1.00 0.634 plus what equals a dollar

Answers

Well...
0.63 + 0.37 = 1.00
I hope I was somewhat helpful~

Best Regards~ Sans
0.366

or round it to 0.37


What proportion of the first 10,000 natural numbers contain a 3

Answers

we know that

It is much easier to compute the number of numbers that do not contain a 3.

In the first 10 numbers 9 do not contain a 3.

In the first 100 numbers 81 do not contain a 3. (This is because these numbers are formed by selecting a digit out of

[0, 1, 2, 4, 5, 6, 7, 8, 9] for the first position and another digit out of the same set for the last position and this may be done in

9*9 = 81 ways.

In the first 1000 numbers, reasoning as above, there are

9^(3) numbers that do not contain a 3.

Now the pattern should be becoming obvious.

In the first 10^(n) numbers there are 9^(n) numbers that do not contain a 3.

So

In the first 10^(4) numbers there are 9^(4) numbers that do not contain a 3.

9^(4)= 6,561

10,000- 6,561= 3,439

Thus

the ratio of those numbers that do contain a 3 over the total is equal to

Ratio=(3,439)/(10,000) \n \n Ratio=0.3439

therefore

the answer is

0.3439

In the first 10 -> 10 - 9 = 1 (contain a 3).
In the first 100 -> 100 - 9 * 9 = 19 (contain a 3).
In the first 10^n -> 10^n - 9^n  (contain a 3).


So for 10^4 -> 10^4 - 9^4 = 10.000 - 6.561 = 3.439

The answer is 3.439 numbers contain a 3 in the first 10.000

Daily reminder that you are beautiful INSIDE & OUT! You got this! Comment one thing you’re most proud of!

Answers

I’m proud of Everything

Answer:

i am proud of how large the meat between my legs is

Step-by-step explanation:

A building blueprint has a scale of 2 inches equal to 25 feet. on the blueprint, the 10 story building has a height of 12 inches what is the actual height of 1 story

Answers

Answer:

The actual height of 1 story is 15 feet.

Step-by-step explanation:

The given scale is

2 \ inches = 25 \ feet

We know the 10 story building has a height of 12 inches, but we need the actual height of 1, that is, the height of 1 story in feet.

Let's divide to find the number of inches per story

(12)/(10)=1.2

There are 1.2 inches per story.

Now, we know 2 \ inches = 25 \ feet, let's use the rule of three

x=1.2in(25ft)/(2in)= 15ft

Therefore, the actual height of 1 story is 15 feet.

2 inches: 25 feet.

1 inch:  25/2 feet

1 inch = 12.5 feet.


12 inches = 12.5 * 12 feet

                   = 150 feet.

The 12 inches height has an actual height of 150 feet.