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Phantasy [73]
3 years ago
9

What is 0.01% of 400? Round to the nearest hundredth.

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

.04

Step-by-step explanation:

math is something

Bumek [7]3 years ago
4 0

Answer:

0

Step-by-step explanation:

0.01% of 400 is 0.04

Your number 0.04 is close to these

multiples of 100:

-100

0

100

Rounding to the nearest 100 gives you 0

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Find the values of x and y
PSYCHO15rus [73]

Hi there!

So you're looking at an equilateral triangle, which is a big word that basically means all three sides are equal and all three angles are 60°.


Knowing that, the mesure of one side is 7, so necessarily the side "x" is also equal to 7.

So the value of x is : 7


And since all angles are of 60°, necessarily the angle "y" has an angle of 60°.

So the value of y° is : 60°


There you go! I really hope this helped, if there's anything just let me know! :)

6 0
3 years ago
Read 2 more answers
Factor : 21y^2 + 105y
expeople1 [14]
Gcf first
21y(y+5)
solutions are 0,-5
7 0
2 years ago
Read 2 more answers
Please help I’ll give brainliest if correct
Ira Lisetskai [31]

Answer:

The value of g(22) = 31

Hence, option D is correct.

Step-by-step explanation:

Given

  • f(x)= 4x³ – 10
  • g(x) = 3x - 4 /2

To determine

g(f(2)) = ?

To determine g(f(2)), first, we need to calculate f(2)

so substitute x = 2 in f(x)= 4x³ – 10

f(x)= 4x³ – 10

f(2) = 4(2)³ - 10

f(2) = 32 - 10

f(2) = 22

so

g(f(2)) = g(22)

now substitute x = 22 in g(x) = [3x - 4] / [2]

g(x) = [3x - 4] / [2]

g(22) =  [3(22) - 4] / [2]

g(22) = [66-4] / [2]

g(22) = [62] /  [2]

g(22) = 31

so

g(f(2)) = g(22) = 31

Therefore, the value of g(22) = 31

Hence, option D is correct.

4 0
2 years ago
Solve the equation. 5x + 6 = 2(2x – 3)
brilliants [131]
Isolate the variable on one side of the equation and everything else to the opposite side of the variable.

You can isolate the variable by undoing the operations done to the variable.
For example, if we added 5 to x (x + 5) then we would need to undo that operation. We would need to use the inverse of addition. Which is subtraction.

5x + 6 = 2(2x - 3)
5x + 6 = 4x - 6 <-- Distribute the 2
x + 6 = -6 <-- Subtract 4x from each side
x = -12 <-- Subtract 6 from each side

So, x is equal to -12.
3 0
3 years ago
Read 2 more answers
A mass weighing 32 pounds stretches a spring 2 feet. Determine the amplitude and period of motion if the mass is initially relea
gulaghasi [49]

Answer:

Amplitude = 0.7183m

Period of motion (T) = 1.566 seconds

Step-by-step explanation:

First of all, lets convert all the figures given in the question to standard units for ease of calculations.

1 pound = 0.454kg. Therefore, 32 pounds = 32 x 0.454kg = 14.528kg

Mass(M) = 14.528kg

Velocity (v) = 5ft/s; now, 1ft/s = 0.305m/s; so 5ft/s = 5x0.305m/s = 1.524m/s

So v=1.524m/s

Change in length of spring (^x) = 2ft. If 1ft = 0.3048, 2ft = 2x0.3048 = 0.6096m

Now,we know that Weight = Mg where g = 9.81m/s^2

Therefore, W = 14.528 x 9.81 = 142.52N

Now, ^F is the same as weight and

^F = k(^x) where k is the spring constant. Therefore k = ^F/^x

K= 142.52/0.6096 = 233.79N/m

Angular speed (ω) = (k/m) ^(1/2)

Therefore, ω = (233/14.528)^(1/2)

ω = 16.093^(1/2) = 4.012 rad/s

It is well known that ω = 2πf ; where f is frequency.

Therefore, f = ω/2π ; f= 4.012/2π = 0.6385 hz.

Period of motion (T) = 1/f

So, T = 1/0.6385 = 1.566 seconds

From proven oscillation equations;

V^2 = ω^2 (A^2 - x^2) ; where v is velocity, and A is amplitude.

Therefore let's make A the subject of the the equation ;

(V^2/ω^2) + (x^2) = (A^2)

So, {(1.524^2)/(4.012^2)} + (0.6096^2) = (A^2)

So, (A^2) = 0.5159

So, A = 0.5159^(1/2) = 0.7183m

3 0
3 years ago
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