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IRISSAK [1]
2 years ago
15

Translate the English phrase into an algebraic expression: the product of the quotient of A and the sum of B and C, and the prod

uct of D and E.
Mathematics
1 answer:
Lera25 [3.4K]2 years ago
5 0

Answer:

(\frac{A}{B+C} )(DE)

Step-by-step explanation:

You're multiplying two factors together (because at the start, it says the product of)

The first factor is the quotient of A, and the sum of B and C, so A divided by (B + C)

The second factor is whatever the product of D and E is, so you have to multiply those together first

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Find the missing side. Round your answer to the nearest tenth.
Likurg_2 [28]

Answer:

44.8

Step-by-step explanation:

cos α = adjacent leg/hypotenuse

cos 48° = 30/x

x = 30/(cos 48°) = 44.8

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3 years ago
Part C
ehidna [41]

Answer:

Dec 7, 2020 — Calculate the ratio of the lengths of the two line segments formed on each transversal. You will have two sets of calculations. Round your ... sets of calculations. Round your answers to the hundredths place. What do you notice about the ratios of the lengths for each transversal? How do they compare? 1.

Step-by-step explanation:

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2 years ago
There is a total of 25 bicycles. If the ratio of gray bicycles to black bicycles is 6 to 9, how many of them are black?
sveta [45]

the ratio is 6 to 9, 9 out of (6+9) 15 bicycles will be black.

25 * 9/15 = 15

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8 0
2 years ago
Write the expression nine divided by the quantity of x plus y
seropon [69]

9514 1404 393

Answer:

  \text{A)}\quad\dfrac{9}{x+y}

Step-by-step explanation:

In the English expression, you need to understand that "A divided by B" means that A is the numerator and B is the denominator of the fraction representing the division. Here, "B" is "the quantity of ...", which means that the stuff after "of ..." is to be treated as a single item, the denominator in this case. That item is "x plus y." So, the expression in math terms is ...

  \dfrac{9}{x+y}

When this is written in plain text, the "quantity" is put in parentheses, because the fraction bar no longer serves as a grouping symbol:

  9/(x+y)

These expressions match the first choice, A.

7 0
2 years ago
T2.T?
Setler [38]

9514 1404 393

Answer:

  63

Step-by-step explanation:

Reversing the digits changes the value by a factor of 9 times the difference in the digit values. Here, this means the digits differ by 27/9 = 3. If one digit is double the other, the higher digit is 2×3 = 6.

The number is 63.

_____

If you like, you can work through the algebra of it. Let the original number have tens digit x and ones digit y.

  original number value = 10x +y

  reversed number value = 10y +x

  difference of values = 27 = (10x +y) -(10y +x) = 9(x -y)

The tens digit is twice the ones digit, so we have ...

  x = 2y

Substituting in the difference equation, we have ...

  27 = 9(x -y)

  3 = (2y -y) = y . . . . . divide by 9, substitute for x

  x = 2(3) = 6

The number is 10x+y = 63.

4 0
2 years ago
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