3 years ago

Evaluate the following expression: (7+5b)+1 , if b = 3

1 answer:

algol133 years ago

4 0

$(7+5b)+1$

$Substitute \ b \ for \ 3$

$(7+5(3))+1$

$7+15+1$ $Simplify \ 5*3 \ to \ 15$

$\boxed{\boxed{=23}}$ $Solution$

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This Question: 1 pt 10 of 10 (8 complete) Th One day a store sold 30 sweatshirts. White ones cost $11.95 and yellow ones cost $1

ohaa [14]

W + y = 30......w = 30 - y
11.95w + 12.50y = 364.55

11.95(30 - y) + 12.50y = 364.55
358.50 - 11.95y + 12.50y = 364.55
-11.95y + 12.50y = 364.55 - 358.50
0.55y = 6.05
y = 6.05 / 0.55
y = 11 <=== there were 11 yellow sweatshirts sold

w + y = 30
w + 11 = 30
w = 30 - 11
w = 19 <=== there were 19 white sweatshirts sold

3 0

2 years ago

Graph f(x) =<br> x and g(x) = -1/3x+2<br> on the same coordinate plane.

Vesnalui [34]

It’s not too hard,

I hope that helps.