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zhannawk [14.2K]
3 years ago
9

Me ayudancon esto?plisssss​

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
8 0

Answer:

5/7

Step-by-step explanation:

Multiply the numerator with the numerator and the denominator with the denominator. This makes the fraction 30/42. Simplify this to get 15/21. You can simplify it again to get 5/7.

Hope this helps

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How many states are in the USA?
34kurt

Answer:

50

Step-by-step explanation:

hope this helps!   :)

The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major (land areas owned or controlled by someone), and different minor islands.

5 0
3 years ago
Read 2 more answers
Which expression is equivalent to 4square root 16x^11y^8/81x^7y^6
Tema [17]

the answer would be \frac{2x\sqrt{y}}{3}

hope this helps! :)

6 0
3 years ago
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You can upgrade lighting at your factory to LED bulbs that coast 6.95 each and last an average of 5 years.
miskamm [114]

Answer:

$200

Step-by-step explanation:

Here is the full question

You can upgrade lighting at your factory to LED bulbs that cost $6.95 each and last an average of 5 years. It costs $3 in labor to change a bulb. Over a 10-year period, about how much will it cost per year to install LED bulbs in 100 lamps and change the bulbs when they burn out?

in 10 years, the bulbs would be changed twice

Total cost incurred per bulb in 10 years = (6.95 +  $3) x 2 = $19.90

Since there are 100 bulbs, total cost incurred would be - $19.90 x 100 = $1990

Cost per year = $1990 /  (6.95 +  $3) = $200

3 0
3 years ago
Please can someone help me with this maths question ‍♀️:<br> Solve 5x+2=20
Westkost [7]

Answer:

x = 18/5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

5x + 2 = 20

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 2 on both sides:                    5x = 18
  2. Divide 5 on both sides:                        x = 18/5

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    5(18/5) + 2 = 20
  2. Multiply:                               18 + 2 = 20
  3. Add:                                     20 = 20

Here we see that 20 does indeed equal 20.

∴ x = 18/5 is a solution to the equation.

6 0
2 years ago
Andre ran 0.66 miles in 4 minutes. What is the fraction equivalent to 0.66?​
Nitella [24]

Answer:

2/3

Hope that helps!

7 0
2 years ago
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