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1 year ago

Ava has 6 boxes of supplies for her classroom each box has a mass of 4 kg what is the total mass for all boxes

1 answer:

6 0

Given the mass of each box, and the total number of boxes, multiply both quantities to obtain the total mass, as shown below

$6\cdot4=24\to6\text{ boxes, 4 }kg\text{ each}$

Therefore, the answer is 24kg.

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How do you do this question?

Ksivusya [100]

Answer:

V = (About) 22.2, Graph = First graph/Graph in the attachment

Step-by-step explanation:

Remember that in all these cases, we have a specified method to use, the washer method, disk method, and the cylindrical shell method. Keep in mind that the washer and disk method are one in the same, but I feel that the disk method is better as it avoids splitting the integral into two, and rewriting the curves. Here we will go with the disk method.

$\mathrm{V\:=\:\pi \int _a^b\left(r\right)^2dy\:},\\\mathrm{V\:=\:\int _1^3\:\pi \left[\left(1+\frac{2}{y}\right)^2-1\right]dy}$

The plus 1 in '1 + 2/x' is shifting this graph up from where it is rotating, but the negative 1 is subtracting the area between the y-axis and the shaded region, so that when it's flipped around, it becomes a washer.

$V\:=\:\int _1^3\:\pi \left[\left(1+\frac{2}{y}\right)^2-1\right]dy,\\\\\mathrm{Take\:the\:constant\:out}:\quad \int a\cdot f\left(x\right)dx=a\cdot \int f\left(x\right)dx\\=\pi \cdot \int _1^3\left(1+\frac{2}{y}\right)^2-1dy\\\\\mathrm{Apply\:the\:Sum\:Rule}:\quad \int f\left(x\right)\pm g\left(x\right)dx=\int f\left(x\right)dx\pm \int g\left(x\right)dx\\= \pi \left(\int _1^3\left(1+\frac{2}{y}\right)^2dy-\int _1^31dy\right)\\\\$

$\int _1^3\left(1+\frac{2}{y}\right)^2dy=4\ln \left(3\right)+\frac{14}{3}, \int _1^31dy=2\\\\=> \pi \left(4\ln \left(3\right)+\frac{14}{3}-2\right)\\=> \pi \left(4\ln \left(3\right)+\frac{8}{3}\right)$

Our exact solution will be V = π(4In(3) + 8/3). In decimal form it will be about 22.2 however. Try both solution if you like, but it would be better to use 22.2. Your graph will just be a plot under the curve y = 2/x, the first graph.

5 0

3 years ago

WILL MARK BRAINLIEST!!! HELP!!

Sergeeva-Olga [200]

Answer:

n = 2 or n = 3/2 thus A. is the Answer

Step-by-step explanation:

Solve for n:

2 n^2 - 7 n + 6 = 0

The left hand side factors into a product with two terms:

(n - 2) (2 n - 3) = 0

Split into two equations:

n - 2 = 0 or 2 n - 3 = 0

Add 2 to both sides:

n = 2 or 2 n - 3 = 0

Add 3 to both sides:

n = 2 or 2 n = 3

Divide both sides by 2:

Answer: n = 2 or n = 3/2

3 0

3 years ago

What is the solution to this equation ? x + 12 +3x =18 - 2x

olasank [31]

First, you combine like terms: x+3x=4x: 12+4x=18-2x

Second, you add the 2x to each side (inverse operation): 12+6x=18

Third, you subtract 12 from 18 to cancel out the 12 (inverse operation): 6x=6

Fourth, you divide each side by 6 to find the value of x

The answer is x=1

3 0

3 years ago

Read 2 more answers

I NEED MORE HELP CAN"T FIGURE OUT

Fittoniya [83]

Answer:

y≤5

Step-by-step explanation:

3 ≥ y - 2

Add 2 to both sides

3 (+2) ≥ y - 2 (+2)

5 ≥ y

y ≤ 5

Hope this helps!

7 0

3 years ago

What is 1/3 multiply 2/4

Greeley [361]

Answer:

1/3 * 2/4 = 1/3 * 1/2 = (1*1)/(3*2) = 1/6

4 0

3 years ago

Read 2 more answers