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ValentinkaMS [17]
3 years ago
13

May i get some help with a step by step concept of the first question please

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0

9514 1404 393

Answer:

  J  3/4 cup

Step-by-step explanation:

<u>Step 1</u>: read and understand the question.

  The question is giving you amounts of flour and 2 types of sugar.

  The question is asking for a difference between two quantities:

  • the amount of flour (2 1/4 cups)
  • the combined amount of sugar (3/4 cup white, 3/4 cup brown)

<u>Step 2</u>: determine the relations you need to use to solve the problem

   You need the <em>combined amount</em> of sugar, which you find by adding the quantities of each of the kinds.

  3/4 cup white + 3/4 cup brown = 6/4 cup sugar combined

 You need the <em>difference</em> of that quantity from the quantity of flour, which you find by performing subtraction:

  flour - sugar = (2 1/4) - (6/4) . . . . cups

<u>Step 3</u>: Use your knowledge of arithmetic.

  (2 1/4) -(6/4) = 9/4 -6/4 = (9 -6)/4 = 3/4

<u>Step 4</u>: Answer the question that was asked.

  The difference between the flour and sugar amounts is 3/4 cup.

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lara31 [8.8K]

9514 1404 393

Answer:

  about 254.40

Step-by-step explanation:

Put the value where x is and do the arithmetic. (Any scientific or graphing calculator can do this for you.)

  f(6) = 325(0.96^6) ≈ 254.40

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3 years ago
Consider the proof for the identity csc(x)+sin(x)=(2-cos^(2)(x))/(sin(x)).
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1. given:

csc(x) + sin(x)

2. definition of csc(x) :

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3. combining fractions with a common denominator:

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6. employing the same identity as in (4) :

(2 (1 - cos²(x)) + cos²(x))/sin(x)

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(2 - 2 cos²(x) + cos²(x))/sin(x)

8. simplifying:

(2 - cos²(x))/sin(x)

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2 years ago
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315 ÷ 22.5 = 14 minutes! :)
8 0
4 years ago
Read 2 more answers
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Hope this helps! Correct me if I'm wrong.

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Landon bought 4 pounds of walnuts for $10.92. What is the constant of proportionality that relates the cost in dollars, y, to th
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Step-by-step explanation:

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$10.92 / 4 lb = $2.73 / lb

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