lockshernostaw lockshernostaw

01-12-2017
Mathematics

contestada

What is the area of a triangle whose vertices are R(−4, 2) , S(1, 2) , and T(−5, −4) ?

Respuesta :

zizoux07p0ac3m zizoux07p0ac3m

01-12-2017

I will solve it using vectors
vector(SR)=(-5,0)
vector(ST)=(-6,-6)area equals half the cross product of these vectors
A = 1/2(30-0)=15 square units

Answer Link

Otras preguntas

Find MN please help me

YWXZ is a parallelogram with diagonals that intersect at point S. If WS = 10 and SZ = 2x – 6, find x.

A reason that the Intolerable Acts of 1774 angered colonists was that they

A bacteria culture has 2,000 bacteria. The number of bacteria increases by 5% each hour. How many bacteria are there after 12 hours?

how many mol of hydrogen in 2.8 mol of caffeine.

Which of the following has a 5% interest rate for undergraduates with exceptional financial need? A. A private loan B. The Federal Perkins Loan C. The

A bacteria culture has 2,000 bacteria. The number of bacteria increases by 5% each hour. How many bacteria are there after 12 hours?

Business application software programs make it possible to:

When iron forms an ion with a plus three charge, the formula of a compound with iron (Fe3+) and sulfur (S) is Fe2S3, right?

Sperm are the only human cells to have _____.