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4 years ago

Finding the volume and area

Mathematics

2 answers:

stira [4]4 years ago

7 0

Volume = How loud Area = How much land

alina1380 [7]4 years ago

6 0

To find the volume of a prism, doesn't apply to all, but for a rectangle, to Base*Height*Length. Or you just need to find out the base and multiply by height. That's volume

For area, just do the length*width or depending on the shape, see how many other shapes are in there. Like how two right triangles= square, find the area of a square and/2.

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An n-digit number is a positive number with exactly n digits. Nine hundred distinct n digit numbers are to be formed using only

kolbaska11 [484]

$\underbrace{3\cdot3\cdot3\cdot\ldots}_{n}\geq900\\\\
3^n\geq900\\\\
\log_3 3^n\geq \log_3900\\\\
n\geq \log_3900\\\\
n\geq\dfrac{\ln 900}{\ln 3}(\approx6.2)$

So, the least $n$ is 7.

5 0

3 years ago

Arlene had some blackberries. She gave 216 to her teachers. Then she dropped 12. Later, she ate 18. Finally, she gave half of wh

Bingel [31]

Answer:the number of BlackBerry that Arlene had initially was 276

Step-by-step explanation:

Let x represent the number of BlackBerry that Arlene had initially.

She gave 216 to her teachers. This means that she is left with x - 216

Then she dropped 12. This means that she would be left with x - 216 - 12 = x - 228

Later, she ate 18. This means that she would be left with x - 228 - 18 = x - 246

Finally, she gave half of what she had to her friend. This means that the amount that she gave to her friend is (x - 246)/2 and the amount that she has left would be

(x - 246)/2

Now, she has 15. This means that

(x - 246)/2 = 15

x - 246 = 2 × 15 = 30

x = 30 + 246 = 276

7 0

3 years ago

Ariel has already spent 79 minutes on the phone and she expects to spend 4 more minutes with every phone call she routed. In all

hjlf

Answer: 13

Subtract 131-79
Then, divide the sum (52) by 4
Ariel had to route 13 calls

8 0

4 years ago

MULTIPLE CHOICE QUESTION

just olya [345]

Answer:

(-4, 5)

Step-by-step explanation:

x will never change if reflected over it. but y will be negative. also what do you mean by y coordinate or x coordinate?

8 0

3 years ago

Help pls HELPP. asap

Reil [10]

Answer:

Quad. II

Step-by-step explanation:

the quadrants start by 1 on the top right then 2 on the top left, 3 on the bottom left and 4 on the bottom right.

6 0

3 years ago

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