(8-2)*2+1/4(4-3(6-10))

Mathematics

2 answers:

levacccp [35]4 years ago

4 0

We must do the work inside parentheses first. Thus,

6*2 + (1/4) (4 +12)

12 + (1/4)(16) = 12 + 4 = 16

shutvik [7]4 years ago

3 0

Solve everything in the parenthesis first.

(6)*2 + 1 / 4(4 - 18 + 30)

12 + 1 / 4 (16)

13 / 64

Hope this helps!

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The pressure p(in lbs/in^2) that a 160 pound persons shoe exerts on the ground when walking varies inversely with the area A(in

GenaCL600 [577]

The first thing we must do for this case is to define variables.
We have then:
P: pressure
A: Area of the sole of the shoe
Since the variation is inverse, we have an equation of the form:
$P = k / A
$
We must find the value of k.
For this, we use the following data:
when the shoes have a sole area of 40 in ^ 2 The pressure is 4 lbs / in ^ 2
Substituting values we have:
$4 = k / 40
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From here, let's clear k:
$k = 4 * 40

k = 160$
Then, the equation is:
$P = 160 / A$
Answer:
The equation that relates these variables is:
$P = 160 / A$

3 0

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netineya [11]

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