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Stels [109]
3 years ago
15

Write an expression with a negative exponent that has a value between 0 and 1/2. Please answer ASAP, thank you!

Mathematics
2 answers:
nata0808 [166]3 years ago
8 0

Answer:

4^-2

Step-by-step explanation:

Paladinen [302]3 years ago
8 0

Answer:

2^{-2}

Step-by-step explanation:

1/4 is between 0 and 1/2.

\dfrac{1}{4} = \dfrac{1}{2^2} = 2^{-2}

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Solve for x <br> -2.3(x - 1.2) = -9.66
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2) x-1.2=-9.66+2.3
3) x=-9.66+2.3+1.2
4) x=-7.36+1.2
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3 years ago
If Georgina travels 355 km
BigorU [14]
You have to divide 355 km by 7 hours and you will get the hour rate then multiple the hour rate by I.5 which it the extra hours you will travel for. After you get the answer of the amount of km in 1.5 hours add 355 to it. Thus, arriving to the solution of traveling 431.0714285714286km in 8.5 hours. You can round it to 431.1 km.
4 0
4 years ago
a psychologist contends that the number of facts of a certain type that are remembered after t hours is given by the following f
laiz [17]

Answer:

At t=1, Rate of Change=-36.86

At t=10 hours, Rate of Change =-0.0088

Step-by-step explanation:

The function which describes the number of facts of a certain type which are remembered after t hours is given as:

f(t)=\frac{85t}{99t-85}

To determine the Rate of Change at the given time, we first look for the derivative of f(t).

Applying quotient rule:

f^{'}(t)=\frac{-7225}{{\left( 85 - 99\,t\right) }^{2}}

At t=1

f^{'}(1)=\frac{-7225}{(85-99)^{2}}

=-36.86

At t=10 hours

f^{'}(10)=\frac{-7225}{(85-99(10))^{2}}

=-0.0088

4 0
4 years ago
the perimeter of a photo frame is 36 inches. The length is 2 inches greater than the width. what are the dimensions of the frame
Tamiku [17]
Length = 10
Width = 8

Hope this helped! A lot of thinking went into this one!
5 0
4 years ago
Kay earned $126 for 18 hours in a part-time job . how much did she learn each hour?
ruslelena [56]

Answer:7$ per hour

Step-by-step explanation:

8 0
3 years ago
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