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4 years ago

Convert the decimal to a percent.

1 answer:

4 0

In converting a decimal to a percent you just need to multiply it by 100.
Solution on the problem above:

3.45 x 100 = 345%

Therefore the answer is letter A.

It will be vice versa in converting percent to decimal. You just need to divide it by 100.
For example, we convert the 345% to decimal:
345%/100 = 3.45

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olganol [36]

Answer:

The options given in the question are incorrect , the correct options are:

a. - 1.645 b. -2.066 c. -2.000 d. -1.960

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Step-by-step explanation:

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π0= .50

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3 years ago

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3 years ago

Find the fifth roots of 32(cos 280° + i sin 280°)

shusha [124]

Answer:

The fifth root is 2[cos(56°) + i sin(56°)]

Step-by-step explanation:

* To solve this problem we must revise De Moiver's rule

- In the complex number with polar form

∵ z = r(cosФ + i sinФ)

∴ z^n = r^n(cos(nФ) + i sin(nФ))

* In the problem

- The fifth root means z^(1/5)

- We can put 32 as a form a^n

∵ 32 = 2 × 2 × 2 × 2 × 2 = 2^5

∴ z = 2^5[cos(280°) + i sin(280°)]

* Lets find z^(1/5)

$*z^{\frac{1}{5}}=[2^{5}]^{\frac{1}{5} } (cos(\frac{1}{5})(280)+isin(\frac{1}{5})(280)$

$*(2^{5})^{\frac{1}{5}}=2^{5.\frac{1}{5}}=2$

∴ z^(1/5) = 2[cos(56) + i sin(56)]

* The fifth root of 32[cos(280°) + i sin(280°)] is 2[cos(56°) + i sin(56°)]

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3 years ago

A local hamburger shop sold a combined total of 519 hamburgers and cheeseburgers on Saturday. There were 69 more cheeseburgers s

Mandarinka [93]

519-69= 450
450 hambugers

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4 years ago

For the problem 135/5, draw two different ways to break apart the array. Use the Distributive property to write products for eac

GrogVix [38]

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3 years ago