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3 years ago

What is 3 1/4 + 5 1/2 (they are fractions by the way)

Mathematics

2 answers:

Anna35 [415]3 years ago

6 0

First find a common denominator for both fractions:
3 1/4×1=3 1/4
5 1/2×2=5 2/4
3 1/4+5 2/4=>>8 3/4<

Zolol [24]3 years ago

4 0

The answer is 8 3/4,hope Ive helped xx

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Which expression has the same value as 4÷25?

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Answer:

We need the choices, since there are plenty equations with the same value.

Step-by-step explanation:

4/25=0.16

Whichever equation equals 0.16 is your answer.

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3 years ago

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 $28,486ft^2$ .

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3 years ago

Which of the following would be an acceptable first step in simplifying the expression tanx/1+ secx

djverab [1.8K]

The acceptable first step in simplifying the expression $\mathbf{\frac{tan\ x}{1 + sec\ x}}$ is (a) $\mathbf{\frac{tan\ x(1 - sec\ x)}{(1 + sec\ x)(1 - sec\ x)}}$