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galben [10]
3 years ago
13

5(3x+2)-2(4x-1) Can someone help me by showing step by step on what to do please?

Mathematics
2 answers:
Harman [31]3 years ago
5 0

Answer:

7x + 12

Step-by-step explanation:

15x + 10 - 8x + 2

i'm pretty sure that's it?

Eduardwww [97]3 years ago
4 0

To solve this we need to use this formula:

a(b + c) = ab + ac

5(3x + 2) - 2(4x - 1) = 15x + 10 - 8x + 2 =  \\  = 7x + 12

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(4x3y3)3<br>me pueden ayudar​
Dominik [7]

Answer:

12x9y9

Step-by-step explanation:

( 4x3y3 ) 3

= 4x ⋅ 3 ⋅ 3y ⋅ 3 ⋅ 3 ⋅ 3

= 12x9y9

7 0
3 years ago
Give the slope of the graph and the unit rate
Lerok [7]

Answer:

y=5/4 x

The slope is 5/4

Step-by-step explanation:

To solve this problem we need  to find the equation of the line, y=mx+b

We've been given a table with several points, so we can use two of them to perform our calculus.

To obtain the slope we need to use the equation of slopes:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where (x1,y1) =(4,5) and (x2,y2)=(8,10)

m= (10-5)/(8-4)=5/4

To obtain b we can use the point (x2,y2)=(8,10) in the equation.

10=5/4 *8 +b

b=0

Hence our line has the following equation:

y=5/4 x

6 0
3 years ago
Is x=7 a solution to the equation x-5-3(x+2)?<br> Fill in the blanks to answer the question.
Anuta_ua [19.1K]

Answer:

1) 2=27

2) x= -11/2

3) no

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Dylan has 765 cards in his baseball card collection. He sells 153 of the cards. What is the percent of decrease in the number of
AlladinOne [14]
Simply divide 153 by 765 to get the percent. This equals .2

ANSWER 20%
6 0
3 years ago
Need help! Will mark brainliest if correct
Fiesta28 [93]
The correct answer is b
3 0
3 years ago
Read 2 more answers
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