MATHEMATICS HIGH SCHOOL

The area of the garden is 13.92 square meters. A fence is planned around the perimeter of the garden. How many meters of fencing are needed?

Answers

Answer 1

Answer:

The meters of fencing that is needed is = 3.36m

Calculation of needed meters

The garden is designed in a trapezoid form with sides= a; 3.3m and b; 5.28m.

The area of the trapezoid garden = 13.92 m²

Therefore the meters of fencing needed which is height = ?

The formula for the area of trapezoid = A = (a+b/2)h

From the formula make h the subject of formula;

h = A *2/a+b

h = 13.92*2/3.3+5.28

h =27.84/8.28

h= 3.36m

Therefore, the meters of fencing that is needed is = 3.36m.

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Answer 2

Answer:

Final answer:

The amount of fencing needed is 15.96 m.

Explanation:

To find the amount of fencing needed, we need to calculate the perimeter of the garden. Since the area is given as 13.92 square meters.

The perimeter is the total length of all the sides of the garden added together.

The area of the garden is 13.92 square meters, which means that the garden is a rectangle with a length of 4 meters and a width of 3.48 meters.

Perimeter = 2 * (length + width)

Perimeter = 2 * (4 + 3.48)

Perimeter = 15.96 meters

Therefore, 15.96 meters of fencing are needed.

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What is the product if 3/5 and 10

Answers

The product of $(3)/(5)$ and $10$ is 6.

This is the product of 3/5 and 10 is 6

WILL MARK AS BRAINIEST!Jill has a hot tub that holds 1,260 gallons of water. She needs to drain the hot tub, so that it can be moved to a new location in her backyard. If draining the hot tub is modeled by the equation y = -793/2 x + 1,260, how long will it take to drain the hot tub?

A) 2 hours 48 minutes
B) 2 hours 59 minutes
C) 3 hours 11 minutes
D) 3 hours 22 minutes

Answers

Answer:

C) 3 hours 11 minutes

Step-by-step explanation:

We are given that Jill has a hot tub that holds 1,260 gallons of water.

Draining the hot tub is modeled by the equation :

$y = (-793)/(2)x + 1,260$

Now we are asked to find how long will it take to drain the hot tub

So, substitute y = 0 in equation :

$0 = (-793)/(2)x + 1,260$

$0 =-396.5x + 1260$

$396.5x = 1260$

$x =(1260)/(396.5)$

$x =3.17780580076$

So, it will take 3.17780580076 hours

Now 1 hour = 60 minutes

So, 0.17780580076 hours = $0.17780580076 * 60$

= $10.6683480456$ minutes

≈ 11 minutes

So, it will take 3 hours and 11 minutes

Hence it will take 3 hours and 11 minutes to drain the hot tub .

B just guess i think it is B

The charge of ISD from Biratnagar to Tokyo is Rs 125 for the first 3 minutes and Rs 15 for every additional 10 seconds. If a man made a call from Biratnagar to his friend in Tokyo and paid Rs 305, how long did he make a call

Answers

We know he talked for over 3 minutes since the total is 305 which is > 125 (the cost of 3 minutes). The remaining amount he paid is 305-125= 180. He was charged 15 per 10 seconds which amounted to 180. 180/15=12 which means he was charged 12 times. Each time charged it was because he took 10 seconds so in total he took 12x10= 120 second. That’s 2 minutes. The two minutes he was charged 15s plus the first 3 minutes he was charged 125 is 5 minutes. We can plug in the numbers to make sure we are right. If he talked for 5 minutes then we know for the first three he was charged 125 and the additional two he was charged 15s (s representing 10 seconds). We can put the 125 aside for now to figure out the 15s. If he took two minutes then he took 120 seconds. Divide that by 10 because he’s getting charged per 10 seconds not per second so that’s 12. 15(12) is 180. 125 + 180 is 305

*** he took five minutes talking on the phone***

Muriel says she has written a system of two linear equations that has an infinite number of solutions. One of the equations of the system is 3y = 2x – 9. Which could be the other equation?2y = x – 4.5
y = x – 3
6y = 6x – 27
y = x – 4.5

Answers

Answer: B

Step-by-step explanation: If you divide the 3 Y to get Y by itself, you will divide 3 on both sides. So 2X/3=2X/3 and -9/3=-3

So it will be Y=2X/3-3

PLEASE HELP AND SHOW WORK PLS

Answers

(2x^2+10x+12)/ (x+3)
(x=5x) (x+3)
5x/3x
2x

CAN SOMEONE HELP ME ASAP? The density of a certain material is such that it weighs 7 ounces for every 2.5 gallons of volume. Express this density in tons per cubic meter. Round your answer to the nearest hundredth.