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4vir4ik [10]
3 years ago
12

WILL GIVE BRAINLIEST, please hurry!!!

Mathematics
1 answer:
anygoal [31]3 years ago
4 0

Answer:

3/5*14.8=8.88

Step-by-step explanation:

3/5=0.6. 0.6*14.8 = 8.88

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Identify the surface with the given vector equation. r(s, t) = s sin 4t, s2, s cos 4t
k0ka [10]

Answer:

Circular paraboloid

Step-by-step explanation:

Given ,

r(s,t)=ssin4t,s^2,scos4t

Here, these are the respective x,y,z axes components.

  • <em>Component along x axis r_i : ssin4t</em>
  • <em>Component along y axis r_j : s^2</em>
  • <em>Component along z axis r_k : scos4t</em>

We see that , from the parameterised equation , r_i^2+r_k^2=s^2sin^24t+s^2cos^24t\\r_i^2+r_k^2=s^2\\r_i^2+r_k^2=r_j

This can also be written as :

x^2+z^2=y

This is similar to an equation of a parabola in 1 Dimension.

By fixing the value of z=0,

<u><em>We get y=x^2 which is equation of a parabola curving towards the positive infinity of y-axis and in the x-y plane.</em></u>

By fixing the value of x=0,

<u><em>We get y=z^2 which is equation of a parabola curving towards positive infinity of y-axis and in the y-z plane. </em></u>

Thus by fixing the values of x and z alternatively ,  we get a <u>CIRCULAR PARABOLOID. </u>

4 0
3 years ago
A notebook costs $1.25 and has a 6% tax added on. Calculate the TOTAL cost of the notebook including tax. (*Round to the nearest
Sunny_sXe [5.5K]

Answer:

$1.33

Step-by-step explanation:

To find the cost of the 6% tax, multiply the tax by the cost of the notebook.

tax = (0.06)(1.25) = $0.075

Add this tax cost to the cost of the notebook for the total.

total = 1.25 + 0.075 = $1.325 = $1.33

Round to the nearest hundreth.

OR

You could multiply:

total = (1.06)(1.25) = $1.325 = $1.33

3 0
2 years ago
Read 2 more answers
How to do a exponent with the negative base?
tatiyna
Examples :
(-2)^3 = (-2)(-2)(-2) = - 8

(-3)^4 = (-3)(-3)(-3)(-3) = 81

(-1)^5 = (-1)(-1)(-1)(-1)(-1) = -1

** if the exponent is an even number, the answer will be positive. if the exponent is an odd number, then the answer will be negative

** but keep in mind....if the negative is not included with the base..
-(5^2) = - 25....but (-5^2) = 25
3 0
4 years ago
Read 2 more answers
Multiply and find the volume
Finger [1]

Answer:

195 cubic centimeters (cm^3)

Step-by-step explanation:

sorry it's late

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28-3%2C3%29%20%28-2%2C4%29" id="TexFormula1" title="(-3,3) (-2,4)" alt="(-3,3) (-2,4)" align=
Natali5045456 [20]

Answer:

sry I can't understand how to do this question

3 0
3 years ago
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