3 years ago

What is 7803 divided by 47?

Mathematics

1 answer:

bulgar [2K]3 years ago

6 0

166 remainder 1
or 166 and 1/47
or 166.02

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A floor is made up of 20 triangular tiles, each with sides 40 cm, 24 cm and 32 cm. Find the cost of polishing the floor at the r

pochemuha

Answer:

$15360\,\,rupees$

Step-by-step explanation:

Let sides of the triangle be $a,b,c$

$a=40\,,\,b=24\,,\,c=32$

Semi-perimeter (s) = $\frac{a+b+c}{2}$

$=\frac{40+24+32}{2}\\ =\frac{96}{2}\\=48$

Area of one tile $=\sqrt{s(s-a)(s-b)(s-c)}$

$=\sqrt{48(48-40)(48-24)(48-32)}\\ =\sqrt{48(8)(24)(16)}\\ =\sqrt{147456} \\=384\,\,cm^2$

So,

Area of 20 tiles $=20(384)=7680\,\,cm^2$

Cost of polishing the floor at the rate of 2 rupees per sq.cm = $7680(2)=15360\,\,rupees$

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3 years ago

Find the slope of ther line that goes through the points (-9,-4) and (-3,-6)

sleet_krkn [62]

Answer:

slope = - $\frac{1}{3}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 9, - 4) and (x₂, y₂ ) = (- 3, - 6)

m = $\frac{-6+4}{-3+9}$ = $\frac{-2}{6}$ = - $\frac{1}{3}$

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3 years ago

georges playground is shown in the diagram he wants to buy timber to put all around it so that mulch does not spread how much ti

Xelga [282]

He needs 84 ft.
Step by step explanation:
(24*2)+(18*2)
48+36
84

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3 years ago

What is the slope of the line shown in the graph below?

Flauer [41]

Slope = (y2-y1)/(x2-x1)
The points: (2,0) and (0,3)
(3-0)/(0-2) = 3/-2 = -3/2
The solution is -3/2

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3 years ago

Read 2 more answers

A go-kart's speed is 607,200 ft per hour. What is the speed in miles per hour?

Inessa [10]

There are 5280 feet in a mile. So divide 607,200 feet by 5280 to get 115. The go-kart's speed is 115 miles per hour.

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3 years ago