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lubasha [3.4K]
3 years ago
9

At a factory, 450 bottles of ketchup are produced each hour.Write an equation that can be used to show the relationship between

time in hours (h) and the number of bottles (B) of ketchup produced.
Mathematics
1 answer:
8090 [49]3 years ago
7 0

Answer:

450 × n

Step-by-step explanation:

Let B be the number of bottles of ketchup

Let h be the time taken in hours

For 1 hour, 450 bottles of ketchup are produced

For n hours, 450 × n bottles of ketchup will be produced

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Three angles of a quadrilateral are 75,120, 90,then the fourth angle..​
Roman55 [17]

Answer:

75

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Geometry</u>

  • Sum of Angles in a Quadrilateral: 360

Step-by-step explanation:

<u>Step 1: Set up</u>

75 + 120 + 90 + ∠4 = 360

<u>Step 2: Solve</u>

  1. Add:                                                                                                                   285 + ∠4 = 360
  2. [Subtraction Property of Equality] Subtract 285 on both sides:                   ∠4 = 75
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How to find the slope of two points
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-- Find how much 'y' changes from the first point to the second one.

-- Find how much 'x' changes from the first point to the second one.

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kim can mow the greens at the golf course twice as fast as shayla can. Working together, they can mow the greens in 4 hours. How
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Answer: Kim can mow the greens alone in 6 hours.

Step-by-step explanation:

Let K be the rate Kim mows the greens, and S the rate for Shayla.  The rates K and S will be in greens/hour.

We know they can mow 1 green in 4 hours.  We can state this as a sum of their rates times the 4 hours equals one green:

(4 hours)*(K + S) = 1 green

We are told that K = 2S [Kim is twice as fast as Shayla]

Subsititute:

(4 hours)*(K + S) = 1 green

(4 hours)*(2S + S) = 1 green

4*(2S + S) = 1 green

12S = 1 green

Shalya's rate is 1 green/12 hours

Kim is twice as fast:  K = 2S

Kim's rate is 1 green/6 hours.

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