Let x = width
<span>length is 8 cm more than three times it’s width so length = 3x + 8
</span>
Perimeter of a rectangle = 2(L + W)
so
128 = 2(x + 3x + 8) solve for x (width)
128 = 2(4x + 8)
64 = 4x + 8
4x = 56
x = 14
width = 14 cm
length = 3(14) + 8 = 50 cm
Answer:
width = 14 cm
length = 50 cm
Answer:
First, determine how many standard deviations above the mean one would have to be to be in the 75th percentile. This can be found by using a z table and finding the z associated with 0.75. The value of z is 0.674. Thus, one must be .674 standard deviations above the mean to be in the 75th percentile
Answer:
x=7
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
6(x−1)=−2x+50
(6)(x)+(6)(−1)=−2x+50(Distribute)
6x+−6=−2x+50
6x−6=−2x+50
Step 2: Add 2x to both sides.
6x−6+2x=−2x+50+2x
8x−6=50
Step 3: Add 6 to both sides.
8x−6+6=50+6
8x=56
Step 4: Divide both sides by 8.
8x
/8
=
56
/8
x=7
Queremos encontrar el valor mínimo de x que es una solución para la inecación dada, veremos que es x = 4
<h3>
Trabajando con inecuaciones.</h3>
Lo primero que debemos hacer es aislar la variable x en un lado de la inecuación, partimos de:
5x - 2 ≥ 18
Sumamos 2 en ambos lados:
5x -2 + 2 ≥ 18 + 2 = 20
5x ≥ 20
Ahora dividimos ambos lados por 5:
5x/5 ≥ 20/5
x ≥ 4
Esto significa que x es mayor o igual a 4, de aqui podemos concluir que el valor mínimo que puede tomar la variable es x = 4.
Sí quieres aprender más sobre inecuaciones puedes leer:
brainly.com/question/23023694
Answer: y = -9x + 0.5
Step-by-step explanation:
