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3 years ago

Determine the quotient of 3 over 7 divided by 2 over 3 .

Mathematics

2 answers:

Verdich [7]3 years ago

8 0

Answer:

9 over 14 Is the answer.........

DerKrebs [107]3 years ago

4 0

Answer:

9 over 14

Step-by-step explanation:

Lets put this into math:

3 over 7 = 3/7

2 over 3 = 2/3

3 over 7 divided by 2 over 3: (3/7)/(2/3)

Remember that you can multiply by the reciprocal of the denominator, so:

(3/7) * (3/2)

The easiest way to solve this is to go step by step in the numerator.

So first, 3 * 3 = 9

This gives:

9/7 * 1/2

Now divide the numberator by the 2 (multiply by 1/2)

9 * 1/2 = 4.5

This gives 4.5/7

This not one of the options, but by scaling it up you see that 4.5/7 = 9/14

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Murljashka [212]

Answer:

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Step-by-step explanation:

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3 years ago

The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle

xxMikexx [17]

Formula:
$\bigg( \dfrac{radius_1}{radius_2} \bigg)^2 = \dfrac{area_1}{area_2}$

Plug in the values:
$\bigg( \dfrac{r}{44} \bigg)^2 = \dfrac{1}{121}$

Simplify LHS:
$\dfrac{r^2}{1936} = \dfrac{1}{121}$

Multiply by 1936 on both sides:
$r^2 = \dfrac{1936}{121}
$

Simplify RHS:
$r^2 = 16$

Square root both sides:
$r = 4$

Answer: The radius is 4 units. (Answer B)

5 0

3 years ago

CD Express offers 4 CDs for $60. Music Place offers 6 CDs for $75. Which store offers the better buy?

Nana76 [90]

Figure out how much they sell one for by diving the price by the quantity
CD Express offers 1 CD for $15
Music Place offers 1 CD fof $12.50
Music place has the better buy

4 0

4 years ago

Write y=-5/8x+3 in standard form using integers?

Ivenika [448]

Answer:

standard form of given equation is 5x - 8y = -3

Step-by-step explanation:

$y= \frac{5}{8}x + 3$

Standard form of linear equation is Ax + By = C

First we remove the denominator 8

We multiply the whole equation by 8

So equation becomes

8y = 5x + 3

Now we move 5x to the left hand side, we subtract 5x on both sides

-5x + 8y = 3

Now we remove the negative side from -5x by dividing the whole equation by -1

5x - 8y = -3

6 0

3 years ago

From the given sides of 16, 14, and 21, determine what type of triangle it will form (right, acute, obtuse, none).

Komok [63]

Answer:

It is an acute triangle.

Step-by-step explanation:

It would be much easier for you to see where I'm getting at if you draw a diagram.

Assume this triangle is labelled ABC where a = 14, b = 21, and c = 16.

cos A = (16^2 + 21^2 - 14^2)/(2(16)(21))

∠A = cos^-1(0.82291...)

∠A ≅ 34.6°

cos B = 16^2 + 14^2 - 21^2)/(2(16)(14))

∠B = cos^-1(0.024...)

∠B ≅ 56.8°

∠C = 180 - (∠A + ∠B)

∠C ≅ 56.8°

Since there is no right-angle nor is there an obtuse angle,

Therefore the triangle is an acute triangle.

4 0

3 years ago