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creativ13 [48]
3 years ago
8

Combine like terms. What is a simpler form of the expression?

Mathematics
2 answers:
qwelly [4]3 years ago
7 0
-3(-4y+3)+7y 

First multiply -3 by the terms in the parentheses 
-3(-4y+3) = 12y -9
Your expression now looks like 
12y -9 +7y 
Then combine the terms containing the variable y 
12y + 7y = 19 y 
Your final answer is 
19y - 9 (answer choice A)

barxatty [35]3 years ago
6 0

Connexus: Algebraic expressions quiz

1. C, 1/4

2.D, 60

3.C, $10

4.B, IRRATIONAL NUMBERS

5.D,3.31

6.A,7

7.B, DISTRIBUTIVE PROPERTY

8.D,t-40

9. C, 15+8w

10.A, 12F+5R+9B;138

11. plug in the numbers to the equation and you get -55

12. -3(-4y+3)+7y first multiply the -3 on the outside of the parenthesis to the -4y+3, then you get 12y+(-9)+7y add up the ys and you get 19y-9!

-hope this helps all of you guys out! :3

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Two bicyclists are 7/8 of the way through a mile long tunnel when a train approaches the closer end at 40 mph. The riders take o
Anastaziya [24]

Answer:

the cyclists rode at 35 mph

Step-by-step explanation:

Assuming that the cyclists stopped, and accelerated instantaneously at the same speed than before but in opposite direction , then

distance= speed*time

since the cyclists and the train reaches the end of the tunnel at the same time and denoting L as the length of the tunnel :

time = distance covered by cyclists / speed of cyclists = distance covered by train / speed of the train

thus denoting v as the speed of the cyclists :

7/8*L / v = L / 40 mph

v = 7/8 * 40 mph = 35 mph

v= 35 mph

thus the cyclists rode at 35 mph

6 0
3 years ago
1))<br> Which fraction is equivalent to<br> ?
Anni [7]

\frac{2}{6}

4 0
3 years ago
What is the y-intercept for the graph of 7x – 3y = –5?
AysviL [449]
2 ways to find the y int.

(1) put the equation in y = mx + b form and the y int will be in the b position
7x - 3y = -5
-3y = -7x - 5
y = 7/3x + 5/3....so 5/3 is ur y int

(2) another way is to sub in 0 for x and solve for y
7(0) - 3y = -5
-3y = -5
y = -5/-3
y = 5/3...ur y int
3 0
3 years ago
Read 2 more answers
What is the sum of 12-5¡ and -3+4¡
Goshia [24]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Which step is The correct answer?
Harlamova29_29 [7]
Step 1 is correct because it is easy method to do math equations
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