kayleeeann kayleeeann

04-05-2017
Mathematics

contestada

What is the value of 8 of a in the equation 5a-10b=45, when b=3

Respuesta :

Equanimity Equanimity

04-05-2017

Since B=3, we'll plug in 3 for B.
5a - 10(3) = 45.
Multiply 3 by 10 since it was "10b".
5a -30 = 45
Add 30 to each side to get 5a by itself.
5a = 75
Divide by 5 on each side.
a = 15
I hope this helps!

Answer Link

Otras preguntas

cos(7π/6)= a. 1/2 b.-1/2 c.√3/2 d.-√3/2 Help please?

The sum of deviations of the individual data elements from their mean is a. always equal to zero. b. always greater than zero. c. always less than zero. d. some

Which polynomial represents the sum below? (4x2 + 1) + (4x2 + x + 2) O A. 8x2 + + x + 3 B. 16x2 + x + 2 C. 8x2 + + x + 2 O D. 16x2 + x + 3

80. If the value of X and Y in the fraction XZN are both tripled, how does the value of the fraction change? Increases by half? Remains the same? Triples? Decre

What message does the poet convey through the poem The way through the woods? Can you draw parallel between man's action and nature's reaction to them?

A rectangle is 32m by 8m is similar to a rectangle 4m by x m. Find the 2 possible values of x :x= ? m x= ? m (help assssssap )

Check all of the points that are solutions to the system of inequalities. x + y<4+3 y > 4 Someone please help ASAP

I NEED HELP PLEASE, THANKS! :)

If R=5Z then 15Z=3Y, then R=? Show work please

Please heeeelllllllpppppp