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NikAS [45]
2 years ago
14

If it takes a postal service person to deliver 18 pieces of mail in 15 minutes how many pieces of mail can he deliver in 1 hour

Mathematics
2 answers:
GaryK [48]2 years ago
6 0
60(one hour) divided by 15 is 4. 4 tines 18 is 112. A postal service person can deliver 112 pieces in 1 hour. Hope this helps!
exis [7]2 years ago
3 0
This Problem has to be solved using Unitary Method.

Number of letters postman can deliver in 15 minutes= 18 letters

Number of letters postman can deliver in 1 minute=18/15

Number of letters postman can deliver in 1 hour= 18/15*60
= 72 Letters
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Step-by-step explanation:

btw the answer is

(12x+6)

5 0
3 years ago
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Step-by-step explanation:

4 0
2 years ago
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zepelin [54]
First you subtract 9 from both sides, so you get -2x=26
Then you divide both sides by -2 which is x=-13
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5 0
2 years ago
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Simplify -4x + 3y + -2z + 2y
Katarina [22]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
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Given the information in the picture, which trigonometric identity can be used to solve for the height of the blue ladder that i
Stells [14]

The trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building is \rm sin=\dfrac{o}{h}.

We have to determine

Which trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building?.

<h3>Trigonometric identity</h3>

Trigonometric Identities are the equalities that involve trigonometry functions and hold true for all the values of variables given in the equation.

Trig ratios help us calculate side lengths and interior angles of right triangles:

The trigonometric identity that can be used to solve for the height of the blue ladder is;

\rm Sin47=\dfrac{50}{H}\\\\H=\dfrac{50}{sin47}\\\\H=68 feet

Hence, the trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building is \rm sin=\dfrac{o}{h}.

To know more about trigonometric identity click the link given below.

brainly.com/question/1256744

6 0
2 years ago
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