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Colt1911 [192]
3 years ago
5

What is the diameter of a normal kids heart

Mathematics
2 answers:
Gnoma [55]3 years ago
8 0
A healthy and normal heat from a child will usually have a diameter of the size of their fist. 
mel-nik [20]3 years ago
5 0
<span>The formula, cardiac area = 0.180 H + 1.045 W + 13.7 
dont ask how i know this.....my parents are bizarre creatures.</span><span />
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Combine like terms to create an equivalent expression 3.4 - 2.8d + 2.8d - 1.3
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Answer:

3.4 - 2.8d + 2.8d - 1.3 = 2.1

Step-by-step explanation:

The given expression is 3.4 -2.8d + 2.8d -1.3

Let's see the definition of like terms.

Like terms are the terms having the same variable and the same exponents.

Examples: -3xy, 2xy  and 4y, 5y and -3, 2.

Now let's identify the like terms from the given expression.

3.4 -2.8d + 2.8d -1.3

Here the like terms are -2.8d, +2.8d and 3.4, -1.3

3.4 -2.8d + 2.8d -1.3

= -2.8d + 2.8d + 3.4 - 1.3            [-2.8d + 2.8d = 0] and 3.4 -1.3 = 2.1

= 0 + 2.1

=2.1

The answer is 2.1

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Use benchmarks to estimate 2.81+3.73
love history [14]
The benchmarks are:  0,  0.25,  0.50,  0.75  and 1.
   2. 81   →  2.75
+
   3.73    →  3.75
------------
2.75 + 3.75 =  6.50
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