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Roman55 [17]
4 years ago
10

When you divide fractions you should

Mathematics
2 answers:
mel-nik [20]4 years ago
7 0
Kcf=keep the first fraction; change the division sign to a multiplication sign and flip the last fraction so that it is the reciprocal and multiply to get your answer
quester [9]4 years ago
4 0
Flip the second fraction, and then multiply them. when you do that, simplify the total, and you got your answer
You might be interested in
A vendor bought 80 pineapples ₱18.50 each. Three pineapples got rotten, but then he sold the rest at ₱25.00 each. how much did h
Hatshy [7]

Answer:

₱445

Step-by-step explanation:

₱18.50(x)

x = number of pineapples purchased

₱18.50(80) = ₱1480

80 - 3 = 77

₱25.00(z)

z = number of pineapples resold.

25.00(77) = ₱1925

₱1925 = ₱1480 = ₱445

5 0
3 years ago
I don't get how to do this so plz help me out and also click on the picture
Jlenok [28]
You have to distribute it or use FOIL (if u know that method). This is basically factoring.
for instance:
(2x-9)×(x+4)
first: 2x × x = 2x^2
second: 2x × 4 = 8x
third: -9 × x = -9x
forth: -9 × 4 = -36

now combine like terms.
2x^2 + 8x -9x - 36
(8x and -9x are like terms)
(add the two together, which is -1x or -x)
2x^2 -x -36 is ur answer

now do this same method for the rest
4 0
3 years ago
Three equal-sized cardboard boxes are stacked on top of each other. Each box is 56.4 cm in height. What is the combined height o
KATRIN_1 [288]

Answer: 169.2cm

Step-by-step explanation:

From the question, we are informed that three equal-sized cardboard boxes are stacked on top of each other and that each box is 56.4 cm in height.

To get the combined height of the 3 stacked boxes, we multiply 56.4cm by 3. This will be:

= 56.4cm × 3

= 169.2cm

7 0
3 years ago
Find the third side in simplest radical form:
larisa [96]

Answer:

x = √53

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

<u>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use PT to solve for the missing length.

<u>Step 2: Identify Variables</u>

Leg <em>a</em> = 6

Leg <em>b</em> = <em>x</em>

Hypotenuse <em>c</em> = √89

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Set up equation:                    6² + x² = (√89)²
  2. Isolate <em>x</em> term:                        x² = (√89)² - 6²
  3. Exponents:                             x² = 89 - 36
  4. Subtract:                                 x² = 53
  5. Isolate <em>x</em>:                                 x = √53
5 0
3 years ago
What value of n makes the equation 4 (0.5n − 3) = n − 0.25 (12 − 8n) true?
astraxan [27]

Answer:Yes

Step-by-step explanation:

The value of n which makes the expression true is - 9

Given the expression : 4(0.5n-3)=n-0.25(12-8n)

The value of n which makes the expression true can be obtained by solving for n ;

4(0.5n-3)=n-0.25(12-8n)

Open the bracket :

2n - 12 = n - 3 + 2n

Collect like terms :

2n - 2n - n = - 3 + 12

-n = 9

Divide both sides by - 1 to isolate n

Hence ;

n = - 9

The value of n which makes the expression true is - 9

5 0
2 years ago
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