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nika2105 [10]
4 years ago
11

Write an equation and solve. Round to the nearest hundredth where necessary.

Mathematics
2 answers:
saw5 [17]4 years ago
7 0
The third option represents the proper calculation for 80% of 88
Murrr4er [49]4 years ago
5 0
\sf Hello!

\sf Let\: the \:required\: number\:be\: x

\sf Then,

\sf x = \sf 80 % of \sf 88

⇒ \sf x = \dfrac{\sf 80}{\sf 100} × \sf 88

⇒ \sf x = \dfrac{\sf 4}{\sf 5} × 88

⇒ \boxed{\sf x = 70.4}

\sf Therefore,
\sf 80 % \sf of \:88\: is\: C.\: n = 0.8 \cdot 88; \:70.4

~ \sf iCarl
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Dennis_Churaev [7]

Answer:

g(5)=17

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Step-by-step explanation:

1. First you must substitute x=5 into g(x), then you obtain:

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g(5)=4*5-3

g(5)=17

2. Now, you must insert g(x) into f(x), as you can see below:

f(x)=x^{2}-x+2

f(g(x))=(4x-3)^{2}-(4x-3)+2

3. Finally, you must susbtitute x=5 into f(g(x)), as following:

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4 years ago
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Answer:

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Step-by-step explanation:

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The previously report, the known value.

Alternate hypothesis:

What is questioned(higher, lower, different,...) of the null hypothesis

Previously, an organization reported that teenagers spent an average of 4.3 hours per week, on average, on the phone.

This means that the null hypothesis is H_{0} = 4.3.

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