littlem0114 littlem0114

20-12-2016
Mathematics

contestada

solve for x and y
1.45 x + 1.55y = 20 and x + y = 29.80

Respuesta :

Aliwohaish12 Aliwohaish12

20-12-2016

x+y=29.8
Y=29.8-x so
1.45x+1.55(29.8-x)=20 then solve for x
1.45x+46.19-1.55x=20
-0.1x=20-46.19
-0.1x=−26.19
X=26.19/0.1
X=261.9
Y=29.8-261.9
Y=−232

Answer Link

Otras preguntas

Emily gives her bird 1/8 cup of bird seeds along with 1/3 cup of grains each day. How much food is given each day to the bird

Which sentence includes an example of alliteration? A. The friends decided they would enter the race and win. B. The feisty friends finished the race in record

What is the perimeter 4 1/2, 7 1/3, 6 1/4

what is one example from a modest proposal in which the narrator's tone doesn't match the topic he's discussing m

What’s the answer to this?

Fill in the blank for x~ 24=4x-4

The particles in this wave move perpendicular to the direction of the movement of the wave. These waves are snake-like. cyclone longitudinal surface transverse

Sam cut a flat wooden board into fourths. He used three of the pieces as backgrounds for posters. He used equal pieces of the leftover board as backgrounds for

Together, angles A and B form a 90° angle. Angle A measures 54°. What is the measure of angle B? Select one: 46° 26° 36° 56°

Interpret the meaning of the bold idiom in the following sentence. the bold is lose their head"But I know human nature, my friend, and I tell you that, suddenly