sbottorf452 sbottorf452

11-10-2018
Mathematics

contestada

A rectangle has perimeter 78 cm and length 34 cm. What is its? width?

Respuesta :

Аноним Аноним

11-10-2018

The perimeter of a rectangle is twice the sum of the dimensions:

[tex] 2p = 2(w+l) [/tex]

We know two of the three unkowns, so we can solve for w:

[tex] 78 = 2(w+34) \iff 78 = 2w+68 \iff 10=2w \iff w=5 [/tex]

Answer Link

Otras preguntas

The angle formed by the intersection of a secant and a tangent is equal to the sum of the measures of the intercepted arcs. True False

What is the y-value of the solution to the system of equations? 3x + 5y = 1 7x + 4y = −13 −3 −1 2 5

Find the MAD of this set of data. 6, 12, 10, 9, 8, 6, 2, 4, 8, 15 8 9 2.8 3.5

If it takes Bianca 30 minutes to bake 2 pans of brownies, how many pans of brownies can she bake in 7 hours?

Which scientist began organizing elements into the periodic table? A. Alfred Wegener B. Dmitri Mendeleev C. Sir Isaac Newton D. Sir Francis Bacon

What is the term from different languages that look similar and mean the same thing

A power lifter performs a dead lift, raising a barbell with a mass of 305 kg to a height of 0.42 m above the ground, giving the barbell 1256.66 J of potential e

Sarah got 16 out of 20 questions correct on a math quiz is each question was worth the same number of pints and the test was worth 50 points total, what was sar

Why does an ice cube crack when you pour a warm liquid over it

What are some disadvantages of using a word processor over a type writer?