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2 years ago

The quotient of 5/31 divided by 15/23, reduced to the lowest fraction, is

2 answers:

6 0

If you would like to solve 5/31 / 15/23, you can calculate this using the following steps:

5/31 / 15/23 = 5/31 * 23/15 = 23/93

The correct result would be C. 23/93.

AfilCa [17]2 years ago

3 0

$\frac{\frac{5}{31}}{\frac{15}{23}}=\\\\\frac{5}{31}\times\frac{23}{15}=\\\\ \frac{5\times23}{31\times15}=\\\\\frac{115}{465}=\\\\ \frac{23}{93}\\\\{\boxed{\frac{23}{93}}$

ANSWER: C

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Given the sequence -3, 9, -27, 81, -243, ..., find the recursive formula.

Tanzania [10]

Answer:

$a_{n}$ = - 3 $a_{n-1}$

Step-by-step explanation:

There is a common ratio between consecutive terms of the sequence, that is

r = 9 ÷ - 3 = - 27 ÷ 9 = 81 ÷ - 27 = - 243 ÷ 81 = - 3

The recursive formula is of the form

$a_{n}$ = r $a_{n-1}$ = - 3 $a_{n-1}$

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2 years ago

Expand 4x(7x-11)<br> For maths <br> Help please

harina [27]

Answer:

$28x^2-44x$

Step-by-step explanation:

Use the distributive property.

$4x * 7x = 28x^2$

$4x * (-11) = -44x$

We will get $28x^2-44x$

Hope this helps!

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2 years ago

It is known that a certain function is an inverse proportion. Find the formula for this function if it is known that the functio

katrin2010 [14]

Answer:

$y=\frac{24}{x}$

Step-by-step explanation:

We have been given that a certain function is an inverse proportion. We are asked to find the formula for the function if it is known that the function is equal to 12 when the independent variable is equal to 2.

We know that two inversely proportional quantities are in form $y=\frac{k}{x}$ , where y is inversely proportional to x and k is constant of variation.

Upon substituting $y=12$ and $x=2$ in above equation, we will get:

$12=\frac{k}{2}$

Let us solve for constant of variation.

$12\cdot 2=\frac{k}{2}\cdot 2$

$24=k$

Now, we will substitute $k=12$ in inversely proportion equation as:

$y=\frac{24}{x}$

Therefore, the formula for the given scenario would be $y=\frac{24}{x}$ .

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2 years ago

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Shtirlitz [24]

Answer:

it's liniear

Step-by-step explanation:

since it is going up by the same amount every time

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2 years ago

What is the circumference of a circular disc with a diameter of 10 centimeters? (Round your answer to the nearest tenth.)

Evgen [1.6K]

To determine what the circumference is simply take the value of the diameter and multiply it to the value of Pi or 3.141....

C = Pi • d
C = (3.14)(10 cm)
C = 31.41 cm or 31.4 cm, rounded to the nearest tenth.

5 0

2 years ago