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ella [17]
3 years ago
8

What is the factored form of this expressions x^2+5x-36

Mathematics
1 answer:
mina [271]3 years ago
3 0

Answer:

(X+9)x(X-4)

Step-by-step explanation:

1. write as a difference:

X^2+5X-36

2. factor the expressions:

X^2+9X-4X-36

3. factor the expression: Xx(X+9)-4(X+9)

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Of the 240 students eating lunch, 96 purchased their lunch and the rest brought a bag lunch. What is the ratio of students purch
Irina-Kira [14]

Answer:

96:144

Step-by-step explanation:

Since there are 240 students and the known value is 96 students buying lunch, you simply subtract the two numbers.

240 - 96 = 144

There are 144 students bringing bag lunch.

The ratio is asking students purchasing  lunch to students bringing a bag lunch, which would be 96:144

The simplified answer is 2:3

To get this, divide 144 by 96

This, in turn, would give you in answer of 3/2 which can be inversed to get the right answer

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3 years ago
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Step-by-step explanation:

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I believe the answer is 20/15.
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3 years ago
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FInd the area of the circle
olchik [2.2K]

Answer:

A = 12.56 m²

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

<u>Geometry</u>

  • Area of a Circle: A = πr²
  • d = 2r

Step-by-step explanation:

<u>Step 1: Define</u>

d = 4 m

<u>Step 2: Find </u><em><u>r</u></em>

  1. Substitute:               4 = 2r
  2. Isolate <em>r</em>:                   2 = r
  3. Rewrite:                    r = 2 m

<u>Step 3: Find Area</u>

  1. Substitute:               A = π(2)²
  2. Substitute:               A = (3.14)(2)²
  3. Evaluate:                  A = (3.14)(4)
  4. Multiply:                   A = 12.56 m²
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2 years ago
Help me on question. 5
Volgvan
Because he was wrong
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