2 years ago

What is 3.5×10^2 in scientific notation?

Mathematics

1 answer:

Vladimir79 [104]2 years ago

5 0

The answer will be 350

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The distance from Boulder City, NV to Santa Fe, NM is around 600 miles. If a map has a scale of 0.3 in for every 30 mi, how far

Alborosie

600 miles is the total and a rate of 30 mi per 0.3 in

600 divided by 30 = 20 units

each unit is 0.3 inches

20*0.3 = 6

6 inches

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(Trignometry, need help please.) A dog is tethered to a 14 foot leash. She travels around an arc of 49 feet. What is the radian

saul85 [17]

Element of Circle

the central angle (α) = (the length of the arc x 360°)/2πr (r = radius)

$\alpha =\dfrac{49\times 360^o}{2\pi\times 14}=200.64^o$

convert to rad:

$\tt 1^o=\dfrac{\pi}{180^o}rad\\\\200^o=\dfrac{200^o\pi}{180^0}rad=\boxed{\bold{3.48~rad}}$

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2 years ago

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Tatiana [17]

$y=(x-2)^2+1$

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Solve for x: 2x^5/3-22=464 a) x = 28 b) x = 27 c) x = ±27 d) x = ±28

Effectus [21]

Answer:

Step-by-step explanation:

Given the expression ${2x^{\frac{5}{3} }-22 = 464$ , we are to find the value of x in the expression. This is as shown below;

${2x^{\frac{5}{3} }-22 = 464$

add 22 to both sides

${2x^{\frac{5}{3} }-22 = 464+22\\\\$

${2x^{5/3} =486$

divide both sides by 2

$\frac{2x^{5/3}}{2} =\frac{486}{2}\\ x^{5/3} = 243$

raise both sides to the power of 3/5

$(x^{5/3})^{3/5} = (243)^{3/5}\\x = (\sqrt[5]{243}) ^3\\x = 3^3\\x = 27$

Hence the value of x is 27

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2 years ago

A construction job requires 16 pieces of steel, each 7.96 ft long. What length of steel is needed?

crimeas [40]

16*7.96=127.36

127.36ft of steel will be required.

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