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gtnhenbr [62]
3 years ago
11

BRAINLIESTTT ASAP!! PLEASE HELP ME ASAP! :) Explain your steps and show your work.

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

\sqrt{x}

Step-by-step explanation:

\dfrac{1}{x^\frac{-3}{6}} =

Reduce the exponent of x.

= \dfrac{1}{x^\frac{-1}{2}}

Use the negative exponent rule: a^{-n} = \dfrac{1}{a^n}

= x^\frac{1}{2}

Use the rational exponent rule: a^\frac{m}{n} = \sqrt[n]{a^m}

= \sqrt{x}

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Need help ASAP hshehebsbeb
Ivan

Answer:

I thing option A. all real numbers.

but IAM not exactly sure....

3 0
2 years ago
Read 2 more answers
The diameter of a wheel of a lorry is 150cm. If the lorry travels 376.8m, how many times does the wheel rotate?
tresset_1 [31]
<h3>Answer:  79 full rotations</h3>

====================================================

Explanation:

150 cm = 150/100 = 1.5 m

The wheel has a diameter of 1.5 meters

The circumference of the wheel is

C = pi*d

C = pi*1.5

C = 1.5pi

C = 4.71238898038469

I'm using my calculator's stored version of pi to get the most accuracy.

Then we divide the 376.8 over the circumference found

(376.8)/(4.71238898038469) = 79.9594434093682

Despite being very close to 80, we must round down to 79 because we don't have enough to get that full 80th rotation. In other words, we have 79 full rotations and then some change leftover.

Though for the sake of simplicity, I can see how it's useful to say "about 80 rotations" if 79 seems a bit clunky. I'll stick with 79 however. Let me know if your teacher instructs otherwise.

4 0
1 year ago
You purchased $132.49 worth of wheels and bearings for your skateboards. The shop charges $15 per board to install them. The tot
Thepotemich [5.8K]

Answer:

4

Step-by-step explanation:

192.49-132.49=60

60÷15=4

5 0
3 years ago
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You wish to package a spherical globe inside a cubical box . The diameter of the globe is 30 centimeters . How much empty space
Aneli [31]

Answer:

<h2>The empty inside the box is 12,870 cubic centimeters, approximately.</h2>

Step-by-step explanation:

Givens

  • The diameter of the globe (sphere) is 30 centimeters,
  • The box must has dimensions 30x30.

We need to find each volume to subtract them.

V_{box}=(30cm)^{3}=  27,000 \ cm^{3}

V_{sphere}=\frac{4}{3} \pi (15cm)^{3} \approx 14,130 \cm^{3}

The difference betweem the box and the sphere is

\Delta V=27,000 - 14,130 = 12,870 \ cm^{3}

Therefore, the empty inside the box is 12,870 cubic centimeters, approximately.

5 0
2 years ago
More help need 50 points
Sergio039 [100]
50p-40p+25-p
9p+25 is the answer.
8 0
1 year ago
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