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mina [271]
3 years ago
6

Simplify: 3m/m-6*5m^3-30m^2/5m^2A.7B.m+7C.m+8D.3m

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0
<span>I think you meant this: (3m/m-6)*(5m^3-30m^2/5m^2)
If that's the case, the simplified form:
=3m</span>
Scilla [17]3 years ago
5 0

Answer:

D. 3m

Step-by-step explanation:

We have been given an expression \frac{3m}{m-6}\times \frac{5m^3-30m^2}{5m^2}. We are asked to simplify our given expression.

First of all, we will factor our expression as:

\frac{3m}{m-6}\times \frac{5m^2(m-6)}{5m^2}

To simplify our given expression, we need to cancel out common factors as shown below:

\frac{3m}{1}\times \frac{5m^2}{5m^2}

\frac{3m}{1}\times 1

3m

Therefore, the simplified form of our given expression would be 3m and option D is the correct choice.

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HELP PLEASEEE
djyliett [7]

Answer:

Exact circumference is 7\frac{49}{150}km

Approximate circumference is 7.33 km

Step-by-step explanation:

We are given;

  • The diameter of a circle as 2\frac{1}{3} km

We are required to determine the exact and approximate circumference of the circle.

  • We know that the circumference of the circle is given by;
  • Circumference = πD, where D is the diameter

Taking π as 3.14

Circumference=3.14 (2\frac{1}{3}km)

                          =7\frac{49}{150}km

The exact circumference of the circle is 7\frac{49}{150}km

7\frac{49}{150}km=7.327 km\\                            = 7.33 km (nearest hundredth)

Thus, the approximate circumference of the circle is 7.33 km

6 0
3 years ago
A lawn mower cost $470 when new and is expected to last 10 years. What will it be worth in 7.5 years? (Assume the lawn mower has
USPshnik [31]
Answer: 117.5
Explanation: Assuming that after 10 years the lawn mower would have a value of 0. We can evenly divide $470 by the amount of years.
$750/10 = $75
We would then multiply 75*7.5 years to then realize the value lost over that amount of time would be $352.5, subtracting that from the original value of $470 would then be 117.5
5 0
3 years ago
What the equations are
strojnjashka [21]
So, first lets define our variables: 
 
let x = the number of dimes
let y = the number of nickels

so our first equation would be x+y = 16

Since dimes are 10 cents and nickels are 5 cents the next equation would be as follows: 

.10x+.05y = 1.35

now change the first equation so y = -x+16
now substitute:

.10x+.05(-x+16) = 1.35
then multiply so you get .10x+-.05x+0.8=1.35

combine like terms and you get .05x+0.8 = 1.35
then subtract 0.8 from both sides and you get .05x = 0.55 then subtract
and you get x = 11 then substitute 11 for where x should be and you should get y = 5

So, you have 11 dimes and 5 nickels 
6 0
3 years ago
help‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎
Aloiza [94]

Answer:

The answer is B. inches....

4 0
2 years ago
Read 2 more answers
.6 is ten times as much as
Triss [41]
.6 divided by 10 is .06 so .6 is 10 times more than .06
5 0
3 years ago
Read 2 more answers
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