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Cerrena [4.2K]
3 years ago
14

1/f = 1/d + 1/d' How do I find d'?

Mathematics
2 answers:
miskamm [114]3 years ago
8 0

Answer:

d= 2f

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable 'd'.

Hope this helped.

Montano1993 [528]3 years ago
7 0
D = 2f
That would be your answer
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Please help me I do not understand this ​
viva [34]

Answer:

78 degrees

Step-by-step explanation:

6 - 85 = 79

5 0
3 years ago
Please help with the answer below
kenny6666 [7]

Answer:

f(x) =  \frac{x + 7}{6 - x}  \\  \frac{3}{2}  =  \frac{x + 7}{6 - x}  \\ 3(6 - x) = 2(x + 7) \\ 18 - 3x = 2x + 14 \\  - 3x - 2x = 14 - 18 \\  - 5x =  - 4 \\  \frac{ - 5x}{ - 5}  =   \frac{ - 4}{ - 5}  \\ x =  \frac{4}{5}

3 0
3 years ago
11) k(n) = n² + 3n; Find k(3n)
Natali [406]

Answer:

k(3n) = 9n² + 9n

General Formulas and Concepts:

Order of Operations: BPEMDAS

  • Substitution and evaluation

Step-by-step explanation:

<u>Step 1: Define</u>

k(n) = n² + 3n

k(3n) is n = 3n

<u>Step 2: Solve</u>

  1. Substitute:                        k(3n) = (3n)² + 3(3n)
  2. Exponents:                       k(3n) = 9n² + 3(3n)
  3. Multiply:                            k(3n) = 9n² + 9n
3 0
3 years ago
there are 25 students on the school bus 5 girls and 20 boys what is the ratio of girls to boys on the school bus
Lady_Fox [76]
It’s very simple look:
5/20=1/4
8 0
3 years ago
Read 2 more answers
Can someone help me!!
gizmo_the_mogwai [7]

Answer:

512 Cups

Step-by-step explanation:

Total volume of coffee in urn = 64 gal = 64 gal  x 128 oz/gal = 8192 oz

volume of each cup = 16 oz

number of cups needed to hold 64 gal (=8192 oz),

= 8192 ÷ 16 = 512 Cups

7 0
3 years ago
Read 2 more answers
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