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Maru [420]
3 years ago
5

If the area of a rhombus is 100 square inches and one of the diagonals is 25 inches long, what is the length of the other diagon

al? ( with explanation )
Mathematics
1 answer:
Mariulka [41]3 years ago
7 0

Answer: 8 inches

Step-by-step explanation:

Area = pq/2: pq r both diagonals

If p = 25 in.,

q = 2 (A/p)

q = 2 (100/25) = 8 inches

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A perpendicular bisector, CD is drawn through point C on AB. 
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<u>Answer</u>

B(18/5,0)


<u>Explanation</u>

First we find the coordinates of C;

C (x, y) = [(-3+7)/2, (2+6)/2]

           = (2, 4)

Find the equation of CD.

slope = (6-2)/(7--3)

         = 4/10  = 2/5

slope of CD = -5/2

-5/2 = (y - 4)/(x - 2)

-5/2(x - 2) = y - 4

(-5/2) x + 5 = y - 4

y = (-5/2)x + 9

For the x-intercept y = 0

∴ y = (-5/2)x + 9  

 0 = (-5/2)x + 9  

5/2 x = 9

x = 2/5 × 9

  = 18/5

x-intercept  = (18/5, 0)


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3 years ago
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Which are solutions of 1 &lt; 3x – 2 &lt; 13?
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Answer:

0.076 or 4.409 try both its one of those two

Step-by-step explanation:

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Else's dad is a policeman. One afternoon her dad stopped 19 people for speeding. This was 12 more than the previous day and 7 mo
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Find the sum of (x + 5),(-4x - 2) and (2x - 1)
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Answer:

-x + 2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

(x + 5) + (-4x - 2) + (2x - 1)

<u>Step 2: Simplify</u>

  1. Combine like terms (x):                     -x + 5 - 2 - 1
  2. Combine like terms (Z):                     -x + 2
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