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NikAS [45]
3 years ago
11

Please solve for y, with steps. Thank you

Mathematics
1 answer:
Dafna11 [192]3 years ago
3 0

Answer:

We have been given an equation

(1) x^2+(y-\sqrt[3]{x^2})^2=1

On simplification by shifting x^2 on right hand side of the given equation.

(y-\sqrt[3]{x^2})^2=1-x^2

Further simplification removing root from left will lead to whole square on right hand side of the equation.

y=\sqrt{1-x^2}+\sqrt{3}{x^2}

(2)Table:

  x               y

 -0.775      1.344

    0              1

    0.775     1.344

(3) Graph is attached in the attachment.


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How long does it take $500 to double at a simple interest rate of 24%?
yuradex [85]

Answer:

4 years and 2 months

Step-by-step explanation:

<u>Simple interest formula</u>

A = P(1 + rt)

where:

  • A = final amount
  • P = principal amount
  • r = interest rate (in decimal form)
  • t = time (in years)

Given:

  • A = $500 × 2 = $1,000
  • P = $500
  • r = 24% = 0.24

Substitute the given values into the formula and solve for t:

\implies \sf 1000 = 500(1 + 0.24t)

\implies \sf \dfrac{1000}{500}=(1 + 0.24t)

\implies \sf 2=1 + 0.24t

\implies \sf 1 = 0.24t

\implies \sf t=\dfrac{1}{0.24}

\implies \sf t=4 \frac{1}{6} \:years

\implies \sf t=4\:years\:2\:months

Therefore, it takes 4 years and 2 months for the initial investment of $500 to double at a simple interested rate of 24%.

3 0
2 years ago
The total amount of money earned by all three plumbers on Monday was $1,400. On Tuesday they earned a total of $1,660, and on We
Alekssandra [29.7K]
Set of equations that can be used to calculate rate for each plumber:
2A+8B+8C = 1,400 --- (1)
4A+7B+10C = 1,660 --- (2)
3A+9B+9C = 1,660 --- (3)
------------------------------------
2*(1) - (2)
------------------------------------
4A+16B+16C = 2,800
4A+7B+10C = 1,660 -
------------------------------------
       9B+6C = 1,140 --- (4)
------------------------------------
3(2) -4(3)
-----------------------------------
12A+21B+30C = 4,980
12A+36B+36C = 6,600 -
-----------------------------------
         -15B-6C = -1,620 --- (5)
------------------------------------
(4) + (5)
------------------------------------
9B+6C = 1140
-15B-6C = -1620 +
-------------------------------------
-6B = -480 => 6B = 480 => B = 480/6 = 80
-------------------------------------------------------
Using (4), 9(80)+6C = 1140
720+6C = 1140 => 6C = 1140-720 = 420 => C = 420/6 = 70
------------------------------------------------------------------------------
Using (1), 2A+8(80)+8(70) = 1400
2A+640+560 =1400 => 2A = 1400-640-560 = 200 => A = 200/2 = 100
----------------------------------------------------------------------------------------------
The rates are:
A = $100
B = $80
C = $70
--------------------------------
On Thursday, number of calls: A = 4 hrs, B = 6 hrs, C = 3 hrs
Money earned = 4*100+6*80+3*70 = $1,090
6 0
4 years ago
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Solve the equation:<br><br> (x+3)(x-2)=0<br><br> Find the solution with the lowest value.
Ivenika [448]
(x+3)(x-2)=0
x+3=0 => x=-3
x-2=0 => x=2

<span>The solution with the lowest value is x=-3.
</span>
4 0
3 years ago
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Polygons are similar find the scale factor of the smaller figure to the larger figure​
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Answer:

Step-by-step explanation:

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Esto es correcto?? 9.5 × 4/3= 12.635 ??​
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Answer:

(9.5×4)/3 = 12.6666666667.

Step-by-step explanation:

thus is the answer.

5 0
3 years ago
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