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givi [52]
3 years ago
11

If f(x)=-3x+6, what is the value of f(-3)?

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
The answer would be f(x)= 15
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Amanda's computer weighs 56 ounces. how many pounds does it weigh?
vampirchik [111]
56 ounces are 3.5 pounds because 16 ounces are 1 pound and if you divide 56 by 16 you get 3.5
7 0
3 years ago
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Please show x < 80 on a number line
nevsk [136]

Answer:

on the number line make an open circle at 80 (am open circle is this: ○) and connect that to an arrow that points back to 0 and the negative numbers. It doesn't matter how far back as long as you make it an arrow

7 0
2 years ago
60 marks out of 75 full marks<br>express in percent<br><br>​
DochEvi [55]
80 percent

Explanation:
Divide 60 by 75 and get the outcome of .80
3 0
2 years ago
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A tank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is full, the tank can be drained b
just olya [345]
12 hours..........
+ - = 1
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3 0
2 years ago
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A tank has the shape of an inverted circular cone (point at the bottom) with height 10 feet and radius 4 feet. The tank is full
german

Answer:

Step-by-step explanation:

Given that tank has the shape of inverted circular cone

Height = 10 feet and radius =  4 feet

After water pumped out height = 5 ft

Hence volume of water pumped out = \frac{1}{3} \pi R^2 h-\frac{1}{3} \pi r^2 h'

Here we have r/h is constant always

Hence \frac{r}{h'} =\frac{R}{h} \\r=Rh'/h = 4(5)/10 = 2

Substitute to get volume of water pumped out = \frac{1}{3} \pi (10*16-4*5)=\frac{140\pi}{3}

Mass of water = density x volume = 62.4(\frac{140\pi}{3})\\= 2912\pi lbs

Work done = force x displacement

= mass x accen x displacement

Here acceleration = gravity = 32.2 ft/sec^2

Displaement = height reduced = 5 ft

W=2912(32.2)(5)\pi =468832\pi foot -pound

6 0
3 years ago
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