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IgorC [24]
3 years ago
14

-9 + 2(2 - x) + 8x answer

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0

Answer:

14-8x squared

Step-by-step explanation:

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If function f is defined by f x( ) = 3x2 − 5x + 4, what is f x( − 4) ?
ch4aika [34]
F(-4) = 3 x 2 - 5(-4) + 4
3x2= 6
-5(-4)= 20
6-20= -14
-14+4= -10
f(-4) = -10
6 0
4 years ago
a gold mine extracted 500,000 ounces. gold is priced at present time at $460 per ounce. the mine holds gold for 3 years. if infl
tresset_1 [31]

Answer:

<h2>$267,536,000</h2>

Step-by-step explanation:

Step one:

given data

total ounces=500,000

cost per ounce= $460

total amount of the ounce= 500,000*460= $230000000

Time t=3years

rate= 5.17%= 0.0517

Step two:

The inflation we have a compounding effect on the amount

$230000000

A=P(1+r)^t

A=230000000(1+0.0517)^3

A=230000000(1.0517)^3

A=230000000*1.1632

A=$267,536,000

<u>They will receive a total of  $267,536,000</u>

4 0
3 years ago
The third-grade gymnastics team has 279 points. In order to place in the top three teams, they'll need a score of 425 or more. H
Degger [83]
425-279=146
They would need 146+
5 0
3 years ago
Interval is 0, 2pi) 4 sin^2x-4 sin x + 1 = 0
svetoff [14.1K]

Answer:

\large\boxed{x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}}

Step-by-step explanation:

4\sin^2x-4\sin x+1=0\\\\2^2\sin^2x-2(2\sin x)(1)+1^2=0\\\\(2\sin x)^2-2(2\sin x)(1)+1^2=0\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(2\sin x-1)^2=0\iff2\ain x-1=0\qquad\text{add 1 to both sides}\\\\2\sin x=1\qquad\text{divide both sides by 2}\\\\\sin x=\dfrac{1}{2}\to x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}

8 0
4 years ago
For every fifteen minutes of exercise, you burn off 70 calories. How long would it take to burn off 250 calories?
kramer
<span>3.57142857143 hours my dude</span>
5 0
3 years ago
Read 2 more answers
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