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3 years ago

1/3=4/12 incorrect or correct in ratio

Mathematics

1 answer:

sladkih [1.3K]3 years ago

8 0

Correct

if you multiply 4 to both it works

1 x 4 = 4
3 x 4 = 12

hope this helps

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a piece of land 120 ft by 240 ft contains a circular garden. surrounding the garden, there is a circular fence that is 20 ft in

damaskus [11]

the area of the piece of land that is not part of the garden is $28,486ft^2$ .

<u>Step-by-step explanation:</u>

Here we have , a piece of land 120 ft by 240 ft contains a circular garden. surrounding the garden, there is a circular fence that is 20 ft in diameter. We need to find what is the area of the piece of land that is not part of the garden . Let's find out:

Let's calculate area of land and circular garden , and in order to find the area of the piece of land that is not part of the garden we will subtract area of circular garden from land !

Area of Land:

Area of land is given by

⇒ $length(width)$

⇒ $120(240)$

⇒ $28,880ft^2$

Area of Garden:

Area of circular garden given by

⇒ $\pi r^2$

⇒ $\pi (\frac{D}{2})^2$

⇒ $\pi (\frac{20}{2})^2$

⇒ $\pi (10)^2$

⇒ $100\pi$

⇒ $100(3.14)$

⇒ $314ft^2$

Hence , the area of the piece of land that is not part of the garden is 28,880-314 = 28,486 . Therefore , the area of the piece of land that is not part of the garden is $28,486ft^2$ .

8 0

3 years ago

Ariana buys an ant farm from a store near her home. The ant farm's price is $12 and the sales tax is 7%. What is the total price

FromTheMoon [43]

Answer: The total price for ant farm is $12.84

Step-by-step explanation:

The price of ant farm = $ 12

The sales tax on the price = 7%

Noe, 7% of $12 =

⇒The tax amount on the price = $0.84

So, the Taxed amount = The original price + Tax

$ 12 + $0.84 = $12.84

Hence the total price for ant farm is $12.84

8 0

3 years ago

The product of p and 6

inna [77]

Answer:

plz tell the full question well i hope this will help.

Step-by-step explanation:

The key word to note is 'product'. A product is the answer to a multiplication operation.

The product of 3 and 4 means 3×4=12

12 is the product.

In this question we are working with algebra, but it means the same.

The product of pandq means p×q=pq

The product is pq. This is an algebraic term which cannot be simplified further and cannot be evaluated unless you know the values for pandq

8 0

3 years ago

Let W represent the width of a rectangle. The length is 7 cm more than the width. 7 times the sum of the width and 4 cm.

Zielflug [23.3K]

4(w+7)
Should be your answer.

5 0

4 years ago

SCALCET8 3.9.026.MI. A trough is 10 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top a

kherson [118]

Answer:

The answer is "0.624"

Step-by-step explanation:

$b = 5x\\\\h = x\\\\ l = 10 \\$

Using formula:

$V = (\frac{1}{2})(b)(h)(l) \\\\$

$= \frac{1}{2} \times (5x)\times (x) \times (10)\\\\= 5x\times x \times 5\\\\= 25x^2$

$\frac{dV}{dt} = 50x \ \frac{dx}{dt} \\\\\text{(where x represents the height in feet and}\ \frac{dv}{dt} = 13\ \frac{ft^3}{min})\\\\\frac{dx}{dt} = (\frac{1}{50})(\frac{1}{x}) \ \frac{dV}{dt}\\\\$

When the water is 5 inches deep then:

$x = (\frac{5}{12})\ ft\\\\13 =50(\frac{5}{12}) \ \frac{dx}{dt}\\\\13 \times 12 =50(5) \ \frac{dx}{dt}\\\\\frac{13 \times 12}{50 \times 5} = \frac{dx}{dt}\\\\\frac{156}{250} = \frac{dx}{dt}\\\\ \frac{dx}{dt}= 0.624$

5 0

3 years ago