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olya-2409 [2.1K]
2 years ago
11

Help please this math is hard

Mathematics
1 answer:
Alenkinab [10]2 years ago
5 0
The answer is 10.35 because 63756 times 60 is 3825360 and 5280 times 70 is 369600 and if you divide those two answers it is 10.35
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Given the following rectangle and circle, at what approximate value of x are the two areas equal? x ≈ 5.8 x ≈ 3.4 The curves do
SIZIF [17.4K]

The approximate value of x will be approximately equal to 3.4

<h3>Area of triangle and circle</h3>

The formula for calculating area of rectangle is expressed as:

A  = lw

  • l is the length
  • w is the width

Ar = (3x-1)(x+2)

Ar = 3x^2+6x-x-2

Ar = 3x^2 + 5x - 2

For the circle

Ac = πr²

Ac = 3.14(x-3)²

Ac = 3.14(x²-6x+9)

Ac = 3.14x² - 18.84x + 28.26

If the area are equal;

3x² + 5x - 2 = 3.14x² - 18.84x + 28.26

3.14x² - 3x² - 5x - 18.84x + 30.26 = 0
0.14x²-23.84x+30.26 = 0

On factorizing the equation, the approximate value of x will be approximately equal to 3.4

Learn more on area of rectangle here; brainly.com/question/25292087

6 0
2 years ago
Cooper has $200 in a savings account. The interest rate is 10% per year and is not compounded. How much interest will he earn in
taurus [48]

Answer:

The interest is $20 per year

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Solve the equation x. 3 = x/3 + 4
Gennadij [26K]

Answer:

x = 5

Step-by-step explanation:

3 = x/ 3 + 4

This is same as

3/1 = x/ 3 + 4

Then cross multiply

1(x + 4) = 3× 3

x + 4 = 9

x = 9 - 4

x = 5

8 0
2 years ago
Find the minimum cost of producing 50,000 units of a product, where x is the number of units of labor (at $36 per unit) and y is
erastovalidia [21]

Answer:

Step-by-step explanation:

Given problem: C(x,y) = 36x + 48y

constraint: 100x^0.6y^0.4

Using langrange Multiplier,

36 = 0.6(100)x^-0.4y^0.4λ         i

48 = 0.4(100)x^0.6y^-0.6λ         ii

dividing the equations we have:

x = 2y

substituting into the constraint

p(x,y) = 100 *(2y)^0.6 y^0.4 = 100*2^0.6 *y

5000  = 151.572y

y = 329.876 labor units

x = 659.752 capital units

Minimum cost = 36(659.752) +48(329.876) = $39585.12

6 0
3 years ago
Mhanifa please help! This is already late and I need it done ASAP!
Debora [2.8K]

Answer:

Given all right triangles

<u>Use Pythagorean to find the missing side:</u>

  • a² + b² = c², where c- hypotenuse

=1=

  • x² = 6² + 3² = 45
  • x = √45
  • x = 6.7

=2=

  • x² = 12² + 5² = 169
  • x = √169
  • x = 13

=3=

  • x² = 2² + 5² = 29
  • x = √29
  • x = 5.4

5 0
3 years ago
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