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adell [148]
3 years ago
10

Please help!! 15 Points!

Mathematics
1 answer:
garri49 [273]3 years ago
6 0

Step-by-step explanation:

8x^3 y^-2 z^-4/6x^-1 yz^-5 =

4/3 (x^4 y^-3 z)

or

4x^4 y^-3 z/3

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What is the solution to the system of equations below? x 3 y = 15 and 4 x 2 y = 30 (6, 3) (3, 6) (7, –6) (–6, 7).
swat32

Answer: (6 , 3)

Step-by-step explanation: Given

x + 3y =15 ------- equation 1

4x + 2y = 30 --------- equation 2

x = 15 - 3y

Put value of x in equation 2

4 (15 - 3y) + 2y = 30

60 - 12y + 2y = 30

-10y = -30

divide by '-10' on both sides

y = 3

now, put value of y in equation 1

x + 3(3) = 15

x + 9 = 15

x = 15 - 9

x =  6

So , (x , y) = (6 , 3)

7 0
2 years ago
Please help with this problem :(
Lilit [14]

36 - 24

= 12 + 16

= 28 - 10 2/3

<h3>= 17 1/3</h3><h3 />

Best of Luck to you.

8 0
3 years ago
Graph the system of equations. y = -x + 3 y = -4x -6<br><br><br>NEED HELL ASAP
ololo11 [35]
Idk if this really helps, but I put them into Desmos (free graphing thing) and this popped up

4 0
3 years ago
Read 2 more answers
What is 20 5/81 in simplest form
Marizza181 [45]
20 5/81 in its simplest form is 20 5/81.

20 5/81 originally looks like this ⇒ 1625/81

((20 * 81)+5)/81 = (1620+5)/81 = 1625/81   * this is an improper fraction because the numerator is greater than the denominator. Improper fractions must be converted to proper fractions. It will then become a mixed fraction.
 
     <u>  0020  5/81</u>        
81 | 1625
       <u>162      </u>      * 81 x 2
           05

5 0
3 years ago
M% of n is what percent of p?<br> FIND FOR PERCENT
makvit [3.9K]

Answer:

m*p/n = percent

Step-by-step explanation:

m% of n is what percent of p?

We can use ratios

m             percent

------- =  ---------------

n                    p

Using cross products

m*p = n * percent

Divide each side by n

m*p/n = percent

5 0
3 years ago
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