samuelobh
samuelobh samuelobh
  • 02-05-2020
  • Mathematics
contestada

Answer the question in the included image?

Answer the question in the included image class=

Respuesta :

lucasella
lucasella lucasella
  • 02-05-2020

2x+15 +2x+3x+20+9=100

7x+44=100

7x=100-44=56

=> x=56:7

x=8

=> 4x+15=32+15=47  stamps in the 20th century

Probability=47/100;   47%

Answer Link

Otras preguntas

Suggest an environment would not need a cuticle.
Rearrange the formula F = fg f + g - d for d.
Please , sorry if I'm asking too many questions
the north specialized in
Please help me, I suck at math big time. find the measures of an interior angle and an exterior angle if a regular polygon with 6 sides
If a typical tablet contains 2.0 g of sodium hydrogen carbonate how many miles of CO2 should one tablet yeild?
What is the length of an arc with a central angle of 54π radians and a radius of 34 cm? Use 3.14 for pi. Round to the nearest hundredth, if necessary.
What is the perimeter of this rectangle? A. 21 in. B. 32 in. C. 42 in. D. 52 in.
what is 8 as a fraction?
From the 10 male and 8 female sales representatives for an insurance​ company, a team of 4 men and 3 women will be selected to attend a national conference on i