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4 years ago

If a negative number is multiplied by an exponent does it become positive

Mathematics

2 answers:

Alex17521 [72]4 years ago

6 0

No it doesn't become positive

max2010maxim [7]4 years ago

4 0

No, the only way a negative number can become positive if is it is multiplied by another negative number

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Solve the problem and specify the units of measure.

Pavlova-9 [17]

Answer:

You ran 13 miles.

Step-by-step explanation:

If your friend ran 8 miles, and you ran 5 more miles, add 5 miles to 8 miles.

That gives you a total of 13 miles you ran on Saturday.

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3 years ago

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A population model for two species can describe either competition for resources (an increase in one species decreases the growt

erma4kov [3.2K]

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3 years ago

What’s the inverse of f(x) = -2 + 2/3x

saveliy_v [14]

So the steps to find the inverse are:

Change f(x) to y
Switch the positions of x and y
Solve for y
Change y to f^-1(x)

$f(x)=-2+ \frac{2}{3}x\\\\y=-2+ \frac{2}{3}x\\\\x=-2+ \frac{2}{3}y$

Now let's solve for y as such:

$x=-2+ \frac{2}{3}y \\\\x+2=\frac{2}{3}y\\\\\frac{3}{2} (x+2)=y\\\\\frac{3}{2}x+3=y\\\\\frac{3}{2}x+3=f^{-1}(x)$

Your inverse is f^-1(x) = 3/2x + 3

8 0

3 years ago

If you invest $7000 in an account that pays 6% interest compounded annually, what is the total amount of money that you would ha

blondinia [14]

Answer:

FV= $11,156.94

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $7,000

Number of periods (n)= 8 years

Interest rate (i)= 6% compounded annually

To calculate the future value (FV), we need to use the following formula:

FV= PV*(1 + i)^n

FV= 7,000*(1.06^8)

FV= $11,156.94

6 0

3 years ago

Roberto ran 3/8 laps , juliette ran 2/3 laps and cora ran 1 1/4 laps. how many did they run together

ELEN [110]

Answer:

3 19/24

Step-by-step explanation:

$\frac{3}{8} + \frac{2}{3} + \frac{11}{4} = \frac{9 + 16 + 66}{24} = \frac{91}{24} = 3 \frac{19}{24 }$

hope it helps

3 0

2 years ago