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Ludmilka [50]
3 years ago
11

Find a fraction in between 21/34 and 34/55

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0
  • Answer:

<em>2311/3740</em>

  • Step-by-step explanation:

<em>34 = 2×17</em>

<em>55 = 5×11</em>

<em>LCM = 2×5×11×17 = 1870</em>

<em>⁵⁵⁾21/34 = ²⁾1155/1870 = 2310/3740</em>

<em>³⁴⁾34/55 = ²⁾1156/1870 = 2312/3740</em>

<em />

<em>2310/3740 <</em><em><u> 2311/3740</u></em><em> < 2312/3740</em>

sashaice [31]3 years ago
3 0

Answer:

A fraction between that is 2311/3740

Step-by-step explanation:

This is because the denominator is simplified into one number and the fraction is taken from there.

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A pack with 6 cans of juice costs 3.48. What it the unit price?
nevsk [136]
3.48/6 = 0.58 per can
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3 years ago
If postage costs $.54 for the first ounce and $.22 for the each additional ounce, calculate the cost of mailing a 10- ounce enve
sweet-ann [11.9K]

Answer:

Hence, the total cost of mailing 10 ounces is:

$ 2.52

Step-by-step explanation:

If postage costs $.54 for the first ounce and $.22 for the each additional ounce.

i.e. cost of first ounce=$ 0.54.

Now let x denote the number of ounces after the first ounce,

Hence, the cost of x ounces=$ (0.22×x)=$ 0.22 x

Hence, the cost of mailing (x+1) ounces is: $ (0.54+0.22 x)

Now, we have to find the cost of  mailing a 10- ounce envelope.

i.e. after the first ounce we need 9 more ounces.

Hence, the total cost of mailing is calculated as:

=$ (0.54+0.22\times 9)\\\\=$ (0.54+1.98)\\\\=$ 2.52\\

Hence, cost of mailing 10 ounces is:

$ 2.52

8 0
3 years ago
Read 2 more answers
4. Which is the better value? Show your work and explain your choice.
Tems11 [23]
Option B


I think its opinion B because its cheaper
3 0
2 years ago
F(x) = -7x2 + 9x - 15 and g(x) = -12x2 – 15x + 7
djyliett [7]

Answer:

{5x}^{2}  + 6x =  - 8

Step-by-step explanation:

This question is asking you to insert two equations, f(x) and g(x), into the equation g(x) - f(x). This will lead to the equation below.

{ - 12x}^{2}  - 15x + 7 - ({ - 7)x}^{2}  + 9x - 15

Now we can solve for the equation.

{ - 5x}^{2}  - 6x - 8 = 0 \\   {5x}^{2}  + 6x =  - 8

3 0
2 years ago
The lengths of three sides of a triangle are in the ratio 3 : 4 : 5. The perimeter of the triangle is 156 centimeters. What is t
julsineya [31]

3x + 4x + 5x = 156

12x = 156

x = 13

3*13 = 39

5*13 = 65

65-39=26 cm difference

6 0
2 years ago
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