meerkat18 meerkat18

22-12-2016
Mathematics

contestada

In the diagram, the areas of ΔADC and ΔDCB are in a ratio of 3 : 4. What are the coordinates of point C?

In the diagram the areas of ΔADC and ΔDCB are in a ratio of 3 4 What are the coordinates of point C class=

Respuesta :

Аноним Аноним

22-12-2016

I hope this helps you

Ver imagen Аноним

Answer Link

nobillionaireNobley nobillionaireNobley

27-12-2016

(1/2(AC) * DC) / (1/2(BC) * DC) = 3/4
AC / BC = 3/4

The coordinate of C be (x, y), then
((4(1) + 3(8))/7, (4(-9) + 3(-2))/7) = ((4 + 24)/7, (-36 - 6)/7) = (28/7, -42/7) = (4, -6)

Answer Link

Otras preguntas

Which two materials form igneous rocks upon cooling? A lava and crystals B magma and lava C crystals and intrusive rocks D intrusive rocks and sediment from ro

What was the benefit of the "Black Codes" to the whites?

Please help my question is in the attachment!

Which of the following is NOT a relative pronoun? Othat Othose O whom O which

A tennis ball moving with velocity v₁ hits a stationary tennis ball. The collision is inelastic and the two balls start travelling together, as shown in the pic

Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each name. KI, Fe2O3, (NH4)3PO4

biology lab 14 experiment 1 punnett square crosses post lab questions

mention four types of indigenous games

Which equations are true for x = -2 and x = 2? Select two options A x²-4=0 B x²=-4 B 3x² + 12 = 0 C 4x² = 16 D 2(x-2)² = 0

What is paleontology?State two economic importance of bacteria.