thebairdfamily5 thebairdfamily5

19-02-2018
Mathematics

contestada

The height of a triangle is 4 m less than its base. The area of the triangle is 48 m^2. what is the length of its base?

The height of a triangle is 4 m less than its base The area of the triangle is 48 m2 what is the length of its base class=

Respuesta :

braidycrew braidycrew

19-02-2018

24 m is the correct answer for your question

Answer Link

Banabanana Banabanana

19-02-2018

Area = (1/2)bh
h = b-4

(1/2)b(b-4) = 48
b(b-4) = 48 : (1/2)
b² - 4b = 96
b² - 4b - 96 = 0
D = (-4)² - 4·(-96) = 16 + 384 = 400 = 20²
b₁ = (4-20)/2 = -8 ∅
b₂ = (4+20)/2 = 12

The length of the base = 12 m

Answer Link

Otras preguntas

The product of 7and j is 91. Solve for j. j=?

Jacob attempted the third problem above but when checking his work he realized he made a mistake. Identify what Jacob’s mistake was in your own words, and expla

Use your ideas and knowledge to list and answer questions about civic duties and responsibilities. Review your CAP file. List the three civic duties or responsi

A fugue subject A. Must use every note in the scale. B. Should be instantly recognizable. C. Can be boring and nondescript, as long as it fits in the scale. D.

How do you do this question?

what is capital of Nigeria?

x² - 95ox - 25000 = 0

12 (x^3+ x^2+x+1) and (x^4-1)

The Browns are moving across the country. Mr. Brown leaves 3.5 hours before Mrs. Brown. If he averages 45 mph and she averages 90 mph, how many hours will it ta

What is the simplified value of the expression below? Negative 8 times (negative 3) –24 –11 11 24