3 years ago

Simplify the exponential expression.

Mathematics

2 answers:

Rama09 [41]3 years ago

8 0

Answer:

The answer is 125

Step-by-step explanation:

MrRa [10]3 years ago

7 0

Answer:

125

Step-by-step explanation:

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The sum of two numbers is 49 and the difference between these two numbers is 9. What are these two numbers?Shown working out pl

8_murik_8 [283]

Let numbers be x and y

ATQ

x+y=49---(1)

x-y=9---(2)

Adding both

$\\ \sf\longmapsto 2x=58$

$\\ \sf\longmapsto x=\dfrac{58}{2}$

$\\ \sf\longmapsto x=29$

Now putting value in eq(2)

$\\ \sf\longmapsto x-y=9$

$\\ \sf\longmapsto 29-9=y$

$\\ \sf\longmapsto y=20$

7 0

2 years ago

Resolver la siguiente ecuación por eliminación o sustitución: a-8b= -9 a-2b= -7

Crazy boy [7]

Answer: Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

Step-by-step explanation:

The given pair of equations:

$a-8b= -9\ ...(i)\\\\ a-2b= -7\ ...(ii)$

Eliminate equation (i) from (ii) , we get

$-2b-(-8b)=-7-(-9)\\\\\Rightarrow\ -2b+8b=-7+9\\\\\Rightarrow\ 6b=2\\\\\Rightarrow\ b=\dfrac{1}{3}$

Put value of b in (ii) , we get

$a-2\times\dfrac{1}{3}=-7\\\\\Rightarrow\ a=-7+\dfrac{2}{3}\\\\\Rightarrow\ a=\dfrac{-21+2}{3}\\\\\Rightarrow\ a=\dfrac{-19}{3}$

Solution: $a=\dfrac{-19}{3}$ and $b=\dfrac{1}{3}$ .

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3 years ago

The revenue, cost, and profit functions for a line of cell phone cases is shown. Identify the location on the profit function wh

grigory [225]

Answer:

Im pretty sure the profit location is at the center of the rise

Step-by-step explanation:

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2 years ago

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yan [13]

Answer:

After that????? Please ask me the full question please.

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2 years ago

Which is the solution to the inequality y+15 <3?

Paraphin [41]

To solve an equation or inequality, you can add the same value to both sides of the expression. Here, it is convenient to choose that value to be the opposite of the constant (+15) added to y, so that constant is replaced by zero.

y + 15 - 15 < 3 - 15 . . . . . we have added -15 to both sides

y < -12 . . . . . . . . . . . . . . . the result of simplifying. This is your solution.

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3 years ago