Which property of addition is shown below? a + bi + c + di = a + c + bi + di

Answers

Answer 1

Answer: I think the property of this addition problem is commutative property

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A trailer is rented at $30 per day plus a charge per mile of use. The trailer traveled 25 miles in one day, and the total charge was $130. Which equation can be used to find the charge x, in dollars, per mile traveled?30x + 25 = 130 30x + 25x = 130 30 + 25x = 130 30 + 25 = 130x

Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of $25 for snacks. Javier knows his weekly earnings can be shown with the following expression:75d + 8w + 25

Part A: Identify a coefficient, a variable, and a constant in this expression. (3 points)

Part B: If Javier works for 5 days and installs 48 windows, how much does he earn? Show your work to receive full credit. (4 points)

Part C: If Javier gets an increase in his stipend and receives $40 for snacks, would the coefficient, variable, or constant in the equation change? Why? (3 points)

Answers

Part B is 784
75 multiplied by 5 is 375
8 multiplied by 48 is 384
375 plus 384 is 759
759 plus 25 is 784

which one of following statement expresses a true proportion 3:4=9:12 b. 2:1=1:2 c. 7:9=8:9 d. 54:9=6:3

Answers

a is the right one:
a. 3:4=9:12
3×3:4×3=9:12

Which term is the perfect square of 3x^4?
6x^8
6x^16
9x^8
9x^16

Answers

look it up online it has a gragh

use the given conditions to write an equation for the line in point slope form passing through (-5,7) and (-8,6)

Answers

point slope form is
y-y1=m(x-x1)
where slope=m
and (x1,y1) is a given point

slope=(y2-y1)/(x2-x1)
slope=(6-7)/(-8-(-5))=-1/(-8+5)=-1/-3=1/3

pick any point
(x,y)
(-5,7)

y-7=1/3(x+5) or
y-6=1/3(x+8)

What can go into 36 and 15

Answers

The number 3 can go to both 36 and 15.
(3 x 12 = 36; 3 x 5 = 15)

3 can go in both numbers evenly

0.3151515 as a fraction

Answers

That's. 3,151,515/10,000,000. It's prettier if you simplify it.

0.3(15) = $(315-3)/(990) = (312)/(990)$

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Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm deep.(1 gallon = 231 in3, 1 inch = 2.54 cm) Which of the following scenarios will happen? a. The paint will not fill the tray by 369 cm3. b. The paint will not fill the tray by 5.22 in3. c. The paint will fill the tray exactly. d. The paint will overfill the tray by 5.22 in3