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DiKsa [7]
3 years ago
8

Could you guys please help me with this

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0
RRRRRRRRRRR I HATE THESE PROBLEMS


Alright...there are two faces with 7*12, giving us 2*84, next, two faces with 19*7, giving us 2*133, then one side with 19*12, then one side 15*19, then 2(9*12*1/2) then finally 9*19.  So.................  we have 1226.
Illusion [34]3 years ago
5 0
SA = 1,226 in.² (Hope this helps!)
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The graph shows the amount of a medicine min milligrams, remaining in a patient's body hours after receiving an injection . The
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An exponential function is a function defined by y = ab^x, where a represents the initial value, and b represents the rate

<h3>(a) The factor at which the medicine decreased, in 1.5 hour</h3>

From the graph, we have the following ordered pairs

(x,y) = (0,270) and (1.5,80)

Given that:

y = ab^x

At point (0,270), we have:

ab^0=270

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At point (1.5,80), we have:

ab^{1.5} = 80

Substitute 270 for a

270b^{1.5} = 80

Divide both sides by 270

b^{1.5} = 0.2963

Take 1.5th root of both sides

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<h3>(b) The factor at which the medicine decreased in the first half hour, and the first hour</h3>

In (a), we have:

The decay factor (b) to be 0.44

This represents the factor at which the medicine decreased throughout.

Hence, the medicine decrease in the first half hour, and the first hour at a factor of 0.44

<h3>(c) The exponential equation</h3>

In (a), we have:

a= 270

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So, the exponential equation is:

y =270 * 0.44^x

In terms of m and h, we have:

m =270 * 0.44^h

Hence, the equation relating m to h is m =270 * 0.44^h

Read more about exponential equations at:

brainly.com/question/11832081

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2 years ago
If f(x) =3x+5 and g(x) =x-1, then f[g(0) =?
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G(0)= 0-1= -1

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8 0
3 years ago
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