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miskamm [114]
3 years ago
10

Find the volume of the cube 1/3 km 1/3 km 1/3 km

Mathematics
1 answer:
guapka [62]3 years ago
7 0

Answer:

  • The volume of cube=1/27 km^3

Step-by-step explanation:

As The volume of cube =the cube(^3) of the sides.

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Please help me :((!!!!
Alika [10]
This seems like a concept you’re going to learn and use so I’ll do a problem per section and explain.

Well basically this is a concept: if it’s a negative exponent it’s just 1/number^exponent.

So for example:
#1. 1/(10)^2 = 10^-2

The standard notation:
#9: You know that 1/(10)^3 you could either put it in a calculator or realize that you take the number 1, and move the decimal to the left three times. 0.001 would be the answer.

Scientific notation:
combines these topics. Let’s take #17. 0.025. Scientific notation means you write it as a number multiplied by 10^? So let’s see how many places you can move the decimal to get a number without the zeros.

0.025 => move it two places to the right. So that’s 2.5. Now 2.5 multiplied by what 10^? Would give you 0.025? It would be 10^-2. So your answer would be 2.5 x 10^-2.

For all of these, use your knowledge of the power of tens and dividing by tens! ^^ you got this. Let me know if you need help after this explanation.
7 0
3 years ago
The negative reciprocal of -5/8 is: A. -5/8 B. 5/8 C. 8/5 D. -8/5
noname [10]

Answer:

+ 8/5

Step-by-step explanation:

Reciprocal is flip

Take the negative flip

- ( - 1 /(5/8))

+ 8/5

7 0
2 years ago
Read 2 more answers
Lilian has part of $9000 invested at 4% and the remainder at 6%. His annual return on each investment is the same. At what rate
Debora [2.8K]
Given:
Total amount invested = $9,000
interest rates = 4% and 6%

Let x be the part of 9,000.
Note that annual return on each investment is the same.

0.04x = 0.06(9,000 - x)
0.04x = 540 - 0.06x
0.04x + 0.06x = 540
0.10x = 540 
x = 540/0.10
x = 5,400

0.04x = 0.06(9,000 - x)
0.04(5,400) = 0.06(9,000 - 5,400)
216 = 0.06(3,600)
216 = 216

total interest for the year : 216 + 216 = 432

Interest = pricipal * interest rate * term
432 = 9,000 * interest rate * 1 yr
432/9,000 = interest rate
0.048 = interest rate

Interest rate would be 4.8% to get the same interest from the whole 9,000.
3 0
3 years ago
How can i work this problem out
ValentinkaMS [17]

The form of the line is given by y=mx +b

Where b is the y intercept of the line

That is the point where the line cuts the y axis

So here b= 1

SoEquation is Y=1/3 x +(1)

Answer in place of question mark is 1

8 0
3 years ago
Choose the quadrant in which the terminal side of this standard position angle is located:
nikklg [1K]
The correct answer is a,c,d
3 0
3 years ago
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