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3 years ago

2 Points

Mathematics

1 answer:

mart [117]3 years ago

8 0

The distance around the circle is called the A. circumference

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Solve for the system of liner equations by substitution. <br> X+4y= -1 <br> -3x-14=y

dem82 [27]

X=12x+55
y=-3x-14
simplfy to the right side

6 0

3 years ago

If log9 x = 3/2 what is the value of x ? 1 3/2 2 3 27/2 4 . 27

sweet-ann [11.9K]

log 9 X= 3/2

x= 3.5

or x= 7/2

5 0

3 years ago

9y – 2 + y= 5y + 10

RideAnS [48]

Answer:

y=2.4

Step-by-step explanation:

9y-2+y=5y+10

(combine like terms)

10y-2=5y+10

(subtract 5y from both sides)

5y-2=10

(add 2 to both sides)

5y=12

(divide both sides by 5)

y=2.4

8 0

3 years ago

(that's a line by the 2 not a 12) PLS HELPP

valina [46]

Answer:

x lessthen or equel to 3/2

Step-by-step explanation:

3 0

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 $28,486ft^2$ .

8 0

3 years ago