lucyluckydragneel lucyluckydragneel

26-05-2017
Mathematics

contestada

The height of a triangle is 7cm longer than its base the area of the triangle is 60 cm^2 what is the base of the triangle

Respuesta :

kphung76127 kphung76127

26-05-2017

1/2(x)(x+7)=60
x(x+7)=120
x^2+7x-120=0
(x+15)(x-8)
x must equal -15 or 8. Since it cannot be negative, the base is 8cm

Answer Link

Otras preguntas

Which of the following is an irrational number? A 64−−√ B 90−−√ C 25−−√ D 169−−−√ please help

The four-firm concentration ratio in this industry is ________. Group of answer choices 21% 79% 94% 58% 41%

Given: -3x+y=1. Write the equation In general form Ax + By + C =0. 3x - y = -1 3x = y + 1 = 0-3x + y -1=0

Molly tried to evaluate 93\times5193×5193, times, 51 using partial products. Her work is shown below. \begin{array}{llrr} &&93 \\ &&\underline{{

Which of the following statements about cells is NOT true

Lena found a -carat diamond ring in the parking lot and turned it in to the police. Afterward, her friends discussed the weight of the diamond in terms of decim

Determine the intercepts of the line. Do not round your answers.

how many kilojoules is this?

A few students are having a bake sale to try to raise more than $600 for a class trip. They sell cupcakes (c) for $2 each and pies (p) for $5 each. If the stude

6. (a) Interpret What does King mean when he instructs the audience to meet "physical force with soul force"? (b) Connect How does this idea connect to King's c