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3 years ago

Simplify the expression: 2/3 divided by - {1/6 - 8/6}

Mathematics

1 answer:

solmaris [256]3 years ago

4 0

Answer:

4/7

Step-by-step explanation:

1/6-8/6=-7/6

-[1/6-8/6]=7/6

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(2/3)/(7/6)=(2/3)(6/7)=12/21=4/7

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Wavelength varies inversely with frequency. Let k be the product of wavelength and frequency. Complete

Alex Ar [27]

Answer:

A=670

B=301,600

C=560

Step-by-step explanation:

A is K divided by the wavelength (m) 301,500 / 450

B is wavelength(m) multiplied by the Frequency (Thz) 520x580

C is K divided by the Frenquency (Thz) 302400 / 540

4 0

2 years ago

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5 times 395 using properties of operations

DochEvi [55]

Hello there!

<u><em>Answer: ⇒⇒=1975</em></u>

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Step-by-step explanation:

First you had to multiply by the number.

$395*5=1975$

1975 is the right answer.

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Hope this helps!

Thank you for posting your question at here on brainly.

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2 years ago

What is the value of x? Round your answer to the nearest tenth if necessary.

Nastasia [14]

X is equal to 1.2, I think.

6 0

3 years ago

Read 2 more answers

Levart [38]

Answer:

4:25

Step-by-step explanation:

Given that,

r₁ = 15 inches, r₂ = 6 inches

The area of the cylinder is given by :

$A=2\pi rh+2\pi r^2$

The ratio of surface areas of two cylinders,

$\dfrac{S_2}{S_1}=\dfrac{2\pi r_2h_2+2\pi r_2^2}{2\pi r_1h_1+2\pi r_1^2}\\\\\dfrac{S_2}{S_1}=(\dfrac{r_2}{r_1})^2\\\\=\dfrac{6}{15}^2\\\\=\dfrac{4}{25}$

Hence, the required ratio is 4:25.

8 0

2 years ago

Karen deposits $150 into her savings account in May and then deposits another $25 in June. She withdrew $105 in July. What is Ka

SVEN [57.7K]

Answer:

her balance in August is $70

Step-by-step explanation:

First, calculate her balance after the deposit in June:

150 + 25

= 175

Then, calculate her balance after July's withdrawl:

175 - 105

= 70

So, her balance in August is $70

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2 years ago

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