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3 years ago

What is the value of [(2/3)^0]^-3

Mathematics

1 answer:

o-na [289]3 years ago

5 0

Answer:

Step-by-step explanation:

Easy because whenever the exponent is 0 the answer must always be 1 then the exponent on the outside it would still be 1.

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At 2:00pm a car's speedometer reads 20mph, and at 2:10pm it reads 30mph.

Dmitry [639]

Over this 10-minute interval, the car's average acceleration is

$\dfrac{30\,\mathrm{mph}-20\,\mathrm{mph}}{10\,\mathrm{min}}=\dfrac{10\,\mathrm{mph}}{\frac16\,\mathrm h}=60\dfrac{\rm mi}{\mathrm h^2}$

The MVT says that at some point during this 10-minute interval, the car must have had an acceleration of 60 mi/h^2.

6 0

3 years ago

The average of the weights of six people sitting in a boar is 145 pounds. After a seventh person gets into the boat, the average

Tems11 [23]

Weight : 

⇒ x for 6 people
⇒ y for the 7th person

$x/6=145 \\ (x+y)/6=147 \\ \\ x=145*6 \\ x=870 \\ \\ x+y=1029 \\ \\ 870+y=1029 \\ y=1029-870 \\ y=159$

The correct answer is B).

5 0

2 years ago

Read 2 more answers

What is the value of x in this equation? 5x + 12 = -18

siniylev [52]

Answer:

x = −6

Step-by-step explanation:

I like to start off by simplifying the equation! Then, I use inverse operations to narrow it down until I reach the answer!

5x + 12= −18

5x + 12 − 12= −18 − 12

5x = −30

5x/5 = -30/5

x = -6

4 0

3 years ago

Read 2 more answers

Find the distance between the points (-8,-11) and (14,-11).

coldgirl [10]

Answer:

Distance =(x2−x1)2+(y2−y1)2−−−−−−−−−−−−−−−−−−√

Step-by-step explanation:

The answer is provided above.

Distance =(x2−x1)2+(y2−y1)2−−−−−−−−−−−−−−−−−−√

Hope this helps.

6 0

3 years ago

Read 2 more answers

PLEASE HELP WORTH 10 POINTS WILL GIVE THE CROWN

Tanya [424]

Answer:

PA = 8

Step-by-step explanation:

formula is C^2 = E * (A + E)

C^2 = 4 * (12 + 4)

C^2 = 64

$\sqrt{c} = \sqrt{64}$

c = 8

C = PA = 8

8 0

2 years ago