adaydreamaway75361 adaydreamaway75361

04-09-2018
Mathematics

contestada

A 7-ft. board is cut into 2 pieces so that one piece is 3 feet longer than 3 times the shorter piece. if the shorter piece is x feet long, find the lengths of both pieces.

Respuesta :

tramserran tramserran

05-09-2018

Longer piece: 3x + 3

Shorter piece: x

(x) + (3x + 3) = 7

4x + 3 = 7

4x = 4

x = 1

Longer piece: 3x + 3 = 3(1) + 3 = 6

Answer: 1 ft and 6 ft

Answer Link

Otras preguntas

What caused the rise of military government in Japan?

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

In the formula e = hf, if e is doubled and f is halved, what happens to the value of h?

Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells

If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=

A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was

Place the mouse, fruit ﬂy, duck, and gorilla in order of their relatedness to humans, from least related to most related. a. mouse - fruit ﬂy - duck - gorilla b

When y = x^2, which of the following expressions is equivalent to –y ?

Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross

Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome