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Grace [21]
3 years ago
15

Simplify the expression below (X^3)^2

Mathematics
2 answers:
ozzi3 years ago
7 0

Answer= x^6

When two exponents are multiplied together the two exponents multiply.

slega [8]3 years ago
4 0

X^(3•2) =X^ 6

Think of an example such as :

(2^3)^2=8^2=64 is the same with

2^(3•2) = 2^6 = 64

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7x + 8y = 25 9x + 10y =35 elimination method please​
djverab [1.8K]

7x +8y = 25 ~~~....(i)\\\\9x +10y = 35~~~ ....(ii)\\\\\text{Multiply equation (ii) by}~ \dfrac 79 ~ \text{and do (ii) - (i):}\\\\\dfrac 79 (9x +10y) - (7x +8y) = \dfrac 79 (35) - 25\\\\\\\implies 7x +\dfrac{70y}9 - 7x -8y = \dfrac{245}9 -25\\\\\\\implies - \dfrac{2y}9 =  \dfrac{20}9\\\\\\\implies -2y =20\\\\\implies y =-10\\\\\text{Substitute}~ y = -10~ \text{in equation (i):}\\\\\\7x +8(-10) = 25\\\\\implies 7x  = 25 +80\\\\\implies 7x = 105 \\\\\implies x =15\\\\

\\\text{Hence}~ (x,y) = (15,-10)

3 0
2 years ago
Plz help i need it!!!!!!!
Flauer [41]

Answer:

b

Step-by-step explanation:

please answer my last question on my profile for 23 points

8 0
3 years ago
Someone thats good at geometry please help asap!
frosja888 [35]

Answer:

x=125

Step-by-step explanation:

∠PAT=180° - ∠ATP - ∠APT

∠PAT=180 - 3x - 3 -4x -4= (173 - 7x)°

3x + 3 + 4x + 4 + 173-7x = 180  

⇔x = 125

4 0
3 years ago
Which fraction is equivalent to 16%?
zmey [24]

Answer:

4/25

Step-by-step explanation:

i am pretty sure this is correct:)

3 0
2 years ago
Read 2 more answers
Mitch borrowed $500 from his brother. He mows lawns after school and on the weekends. He charges $32 a lawn and pays his friend
alexgriva [62]
Let's take this one at a time starting from the brother's net income because this would be the root basis. We let x be the number of lawns his brother and Tom mowed. 

Brother's Net Income = 32x - 12x = 20x

Mitch promises to pay the borrowed money of $500 plus 40% of what his brother earns. The algebraic equation for this is:

Mitch's payment = $500 + 0.4(20x) = $500 +$8x
3 0
3 years ago
Read 2 more answers
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