A cube has a side length of 12 meters. What is the volume of the cube? A. 36 m3 B. 144 m3 C. 864 m3 D. 1728 m3

Answers

Answer 1

Answer: $The\ volume\ of\ the\ cube:V=a^3\ \ /a-the\ length\ the\ edge\ of\ the\ cube\n\na=12\ m\n\ntherefore\n\n\boxed{V=12^3= 1728\ (m^3)}$

Answer 2

Answer: A cube has congruent sides therefore the volume is 12*12*12=1728 meters cubed

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Use the elimination method to solve the system of equations. Choose the correct ordered pair. 3x - y = -1
3x + 3y = 27

Answers

6x-3y=27 --> 3*(2x-y = 9)
3x-y=13 Doesn't factor

What is the greatest possible error if Irina measured the weight of her dog as 13 pounds?0.1 pounds
0.5 pounds
12.5 pounds
13.5 pounds

Answers

Answer:

Option B is the correct answer.

Step-by-step explanation:

Irina measured the weight of her dog as 13 pounds.

If value is 13 she rounded the values in between 12.5 to 13.49 to 13 pounds.

Maximum possible error = 13 - 12.5 = 0.5 pounds.

Maximum possible error = 0.5 pounds.

Option B is the correct answer.

Sammy owes his landlord $200 for rent and $30.45 for his portion of the utilities. Write an expression to represent the total amount that Sammy owes, and then find the amount.

Answers

Answer:

Expression: 200+30.45=x

Answer: 230.45

Step-by-step explanation:

Just add them together

Answer

Sammy owes $230.45.

Step-by-step explanation:

By total amount, they meant everything so $200 + $30.45 is really easy here. Just add them together! $200 + $30.45 = $230.45. That is your answer now have a good day my beautiful friends.

Pls help me i NEED THI WNP

Answers

Answer:

1/2 × base times height

1)2×13×4

13×2

26cm2

Step-by-step explanation:

Area = (b×h) ÷ 2

=(18.7cm × 4cm) ÷ 2

=74.8cm ÷ 2

=37.4 cm2

Hope it helps :)

URGENT PLZ HELP: Graph y = tanx for -pi/4 ≤ x ≤ x/4.
What is the range?

Answers

I believe that the answer is D) all real numbers.

Please help me... I don't understand why I got it wrong(

Answers

You did the first step correctly ... even admirably !
You zeroed in on finding 'x' with laser-like precision, and
you knocked it out of the park.
Then, from there ... you fell off the deep end.

There's no reason that (3x + 18) has to be equal to 2(y+6).
In fact, they add up to 180°, so you could have used that
and solved for 'y'.

BUT ... (5x + 2) and 2(y+6) are "vertical angles", and THEY
are equal.

So 2 (y+6) = 5x + 2

2 (y+6) = 102

(y+6) = 51

y = 45 .

You got the answer y=78 by substituting x=20 into the top angle, 3x+18.
But the angle 3x+18 is not equal to the angle with the y variable.
They are supplementary angles (equal 180) but are not necessarily equal.
The angle that equals 2(y+6) is the angle opposite to it, 5x+2 (Vertical angle theorem).
So you should have substituted 20 into 5x+2

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Miguel’s steps in evaluating an expression are given below. 32 ÷ 2(23 – 4) Step 1: = 32 ÷ 2(8 – 4) Step 2: = 32 ÷ 2(4) Step 3: = 32 ÷ 8 Step 4: = 4 What, if any, was Miguel’s mistake?

Franco bought two shirts at a local store. The regular price for each shirt was r dollars. The store charged Franco the regular price for the first shirt and gave him a 75% discount on the second shirt. He was charged 6% sales tax on the entire purchase. Which of the following expressions gives the total, in dollars, Franco paid, including sales tax? (HOA 01 & HOA 06)