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3 years ago

Work out the volume of a cube of edge 2m

Mathematics

2 answers:

MAXImum [283]3 years ago

8 0

That's correct Well done

adelina 88 [10]3 years ago

7 0

Length × width × height

2×2×2= 8 meters cubed

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A store has a 20% off sale. Which equation

rodikova [14]

Answer:

80%/100%×$24

Step-by-step explanation:

I don't see any options here so let's work it out.

If all prices are reduced by 20%,it implies that 80% of the original value is charged to the buyer as sales price.

Since original value of the pants is $24-100%

then sales value(80%)=(80%/100%×$24)

5 0

3 years ago

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How do you simplify 220/1 x 5/2

Dafna11 [192]

The simplify answer is 550.

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3 years ago

Find the value of the polynomial-x -x^2+3x+2 what x =-4

Lelechka [254]

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4 0

3 years ago

A and b are positive integers. Find −2a+3b if a^3 b^2=72.

Alexxx [7]

The answer for "-2a + 3b" is 5.

To solve this equation, you must first find "a" and "b". A^3 times B^2 = 72. In this case, a = 2 (2*2*2 = 8) and b = 3 (3*3 = 9) since their outcomes multiplied together equal 72.

Now you fill in for "a" and "b". "-2*2 + 3*3" before adding you do all the multiplying, which leaves "-4 + 9". Combining like terms gives you 5.

I hope this helps!!

3 0

3 years ago

Use slope to determine if the following lines are parallel, perpendicular, or neither.

Gwar [14]

Answer:

The lines are parallel, with the same slope of 5.

Step-by-step explanation:

Remember that if slopes are the same, then the lines are parallel. If the slopes are opposite reciprocals, they are perpendicular. If they are neither of those cases, then they would be neither.

1) Since y = 5x + 1 is already in slope-intercept format (y = mx + b, in which m represents the slope) we know that 5 is the slope of that equation.

2) To find the slope of -5x + y = 6, let's just convert it to the slope-intercept format by isolating y on the left side like so:

$-5x + y = 6 \\y = 5x + 6$

(All you need to do is move -5x to the right side of the equation.) So, by looking at y = 5x + 6, we can do the same thing we did from step 1 and find that the slope is 5.

3) Since both of the equations' slopes are 5, they share the same slope - therefore, they are parallel.

Hope this helps! Please do not hesitate to ask any questions.

5 0

3 years ago