Answer:
22.50
Step-by-step explanation:
3.3*2.5+5.7*2.5=
8.25. +. 14.25=22.50
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6 is twice as much as 3...so x will be twice as much as 4. So the answer is...
C. 8
Let <em>f(x)</em> = <em>x</em>³ + <em>x</em> - 5. <em>f(x)</em> is a polynomial so it's continuous everywhere on its domain (all real numbers). Since
<em>f</em> (1) = 1³ + 1 - 5 = -3 < 0
and
<em>f</em> (2) = 2³ + 2 - 5 = 5 > 0
it follows by the intermediate value theorem that there at least one number <em>x</em> = <em>c</em> between 1 and 2 for which <em>f(c)</em> = 0.
Answer:
C = 81.6814089933 in
Step-by-step explanation:
