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Vikentia [17]
3 years ago
8

If Radhika adds these two numbers and represents the sum on an abacus, and if the beads on the ten's place are 2 and the beads o

n the one's place are 5, how many beads will be there on the hundreds place?
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
8 0

Answer:

Explained below.

Step-by-step explanation:

A standard abacus is a traditional method used to perform basic mathematical calculations, such as addition, subtraction, multiplication and division.

There are 5 rods on a standard abacus.

The shape of the abacus has a series of vertical rods on which a number of beads are placed.

Each bead on a particular rod is considered as 1 unit, i.e. if there are three beads on a rod, the value of that rod is 3.

The last rod on an abacus is for the unit's place, the second last rod is for the ten's place, the third last rod is for the hundredth's place, the fourth last rod is for the thousandth's place and the fifth rod is for the ten thousandth's place.

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PLZ HELP ME THANKS. If 3x-5-6x-2 is equaled to -1. Then how do I "check it"?
Nezavi [6.7K]

Answer:

3(-1)-5-6(-1)-2. You found the value of X, so you need to put it back into the equation to see if it equals out.

5 0
3 years ago
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Find the perimeter of the triangle with coordinates A(5,2), B(5,4), and C(1,1). Round to the nearest tenth.
faltersainse [42]

Answer:

11.1 units

Step-by-step explanation:

We solve for this using the formula when using coordinates (x1 , y1) and (x2, y2)

= √(x2 - x1)² + (y2 - y1)²

A(5,2), B(5,4), and C(1,1).

For AB = √(x2 - x1)² + (y2 - y1)²

= A(5,2), B(5,4)

= √(5 - 5)² +(4 - 2)²

= √ 0² + 2²

= √4

= 2 units

For BC = √(x2 - x1)² + (y2 - y1)²

= B(5,4), C(1,1)

= √(1 - 5)² +(1 - 4)²

= √ -4² + -3²

= √16 + 9

= √25

= 5 units

For AC = √(x2 - x1)² + (y2 - y1)²

A(5,2), C(1,1)

= √(1 - 5)² + (1 - 2)²

= √-4² + -1²

= √16 + 1

= √17

= 4.1231056256 units

The Formula for the Perimeter of Triangle = Side AB + Side BC + Side AC

= 2 units + 5 units + 4.1231056256 units

= 11.1231056256 units.

Approximately the Perimeter of a Triangle to the nearest tenth = 11.1units

4 0
3 years ago
How did he get from 3^-16/3/3^-8/3 to 0.00285333857/0.00285333857??? (The circled part) Because when I put it in the calculator
seropon [69]

Step-by-step explanation:

\frac{ {3}^{ -  \frac{16}{ 3} } }{ {3}^{  - \frac{ 8}{3} } }  =  \frac{0.002853338}{0.05341665075}

I think, he made a mistake because the exponents have different values but then if you'll look at his results, he just wrote the same thing. If you want, you could post the original problem, and I'll solve it for you :)

7 0
2 years ago
25% of what number equals 7?
wlad13 [49]
28 because 1/4th of 28 is equal to 7
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Answer:

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5 0
3 years ago
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