Round 12560 to the nearest whole number

Mathematics

2 answers:

notsponge [240]3 years ago

7 0

The nearest whole number is... 12560. It is already a whole number!

Minchanka [31]3 years ago

7 0

1,2600
nearest whole number is 6 and because 6 is closer to 10 then 0 the number to the left is bumped up one.

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Re-write the expression<br> as a product with the<br> greatest common factor.<br> (54 +99)

algol13

Find the prime factorization of 54
54 = 2 × 3 × 3 × 3
Find the prime factorization of 99
99 = 3 × 3 × 11
To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 3
GCF = 9

5 0

3 years ago

Find two positive numbers satisfying the given requirements. the sum of the first and twice the second is 240 and the product is

MArishka [77]

The two numbers are 120 and 60

Let's call the two numbers x and y. The first sentence translates into

$x+2y = 240$

from which we can derive

$x = 240-2y$

So, their product can be written as

$xy = (240-2y)y = 240y-2y^2$

This expression is a quadratic polynomial with negative leading coefficient, so it represents a parabola concave down. So, the vertex of the parabola is its maximum, which we can find as usual: given the parabola $ax^2+bx+c$ , its extreme point is located at $x = \frac{-b}{2a}$ .