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Naya [18.7K]
2 years ago
8

Which expressions are equivalent to 2^−4·2^2?

Mathematics
1 answer:
Ede4ka [16]2 years ago
5 0

Answer: the answer is 6)

Step-by-step explanation:

Because 2x^{-4} . 2x^{2} = 2x^{-4+2} = 2x^{-2}

I hope it right

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Charlotte is running at a rate of 9\,\dfrac{\text{km}}{\text{h}}9
finlep [7]
<h3>Answer: Charlotte's speed in meter/second is 2.5m/s.</h3>

Step-by-step explanation:

Given speed of Charlotte in kilometer per hour = 9 km/h

We need to find the Charlotte's speed in meter per second.

We know 1 kilometer = 1000 meter

And 1 hour = 3600 seconds.

Plugging those values of km and hour in given speed in km/h, we get

9\ \frac{km}{h} = 9\times \ \frac{1000m}{3600 seconds}

=\frac{10m}{4s}= 2.5\ m/s.

Therefore,

<h3>Charlotte's speed in meter/second is 2.5m/s.</h3>
4 0
3 years ago
Read 2 more answers
Increase 400 by 37%
pantera1 [17]
400*.37=148
400+148=548
4 0
2 years ago
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find the scale factor and ratio of perimeters for a pair of similar octagons with areas 49 ft^2 and 64 ft^2​
timama [110]

Answer:

scale factor: 1.16

perimeters: 21.84 ft and 25.36 ft

4 0
3 years ago
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Which equation represents a linear function?
quester [9]

Answer:

Step-by-step explanation:

y = 9 - X   is a linear function; x is to the first power.

y = x2 + 1   does NOT represent a linear function; it's a quadratic function.

o            

y=x² + 5    does NOT represent a linear function; it's a quadratic function.

D)

y = [xl - 9  does NOT represent a linear function; it's an absolute value function.  This function has two halves, each of which is a linear function.

But the best answer here is that y = 9 - X   is a linear function; x is to the first power.

3 0
3 years ago
Determine the greatest common factor between<br> 42x3 and 28x5
storchak [24]

Answer:

42*3=126

28*5=140

the GCD of 126=2*3*3*7

the GCD of 140=2*2*5*7

2*7

GCD=14

Step-by-step explanation:

6 0
3 years ago
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