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cluponka [151]
2 years ago
5

I will mark brainest if it is right 1. x+20 = 11x + 30 x=

Mathematics
2 answers:
ella [17]2 years ago
7 0

Answer:

-1

Step-by-step explanation:

Sveta_85 [38]2 years ago
5 0

Answer:

Step-by-step explanation:

x+20=11x+30  minus x from both sides

20=10x+30  minus 30 from both sides

-10=10x  divide by 10

x= -1

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3 ( 8m+5) = 4 (6m+7)-13
Kitty [74]

Answer:

infinite solutions

Step-by-step explanation:

Given

3(8m + 5) = 4(6m + 7) - 13 ← distribute parenthesis on both sides

24m + 15 = 24m + 28 - 13 , that is

24m + 15 = 24m + 15

Since both sides are equal then any real value of x makes the equation true.

Thus there are an infinite number of solutions

8 0
3 years ago
9 markers cost $11.50. How much would 7 markers cost?
Anna007 [38]

Answer:

7 markers cost $8.95

Step-by-step explanation:

9x = 11.50

x = 11.5/9 = 1.278

Therefore, 7 markers, or 7x = 7(1.278) = 8.946

8 0
3 years ago
Read 2 more answers
A=pt+q<br> p= -1, t=4 and q=6<br> work out the value of a
77julia77 [94]

Answer:

a = 2

Step-by-step explanation:

a = pt + q

p = -1

t = 4

q = 6

a = -1(4)+6

a = -4+6

a = 2

8 0
3 years ago
1. (01.03 LC)
adoni [48]

Taking into account the definition of percentage, the correct option is: 21 percent of her net pay is left for savings.

First of all, the percentage represents a given quantity that establishes relationships between two quantities, using the number 100 as a reference.

That is, the percentage indicates what part of a total represents a quantity.

To obtain the percentage, the division must be made between the portion of the total and the total amount that belongs to the set, whose result is multiplied by 100.

In this case, if Lillie's current monthly net pay and her monthly expenses are $ 387.10, and I assume that the rest of the money is saved by Lillie, then the amount of money saved is $ 490 - $ 387.10 = $ 102.9.

Then:

  • portion of the total= amount of money saved= $102.9
  • total amount= Lillie's current monthly net pay= $490

So, the percentage is calculated as:

percentage= (102.9÷490) ×100

percentage= 0.21×100

percentage= 21%

The correct option is: 21 percent of her net pay is left for savings.

Learn more about percentage with this examples:

  • <u>brainly.com/question/19295956?referrer=searchResults</u>
  • <u>brainly.com/question/1301322?referrer=searchResults</u>
6 0
3 years ago
A line has equation y=x−5. The line is shifted 3 units to the left and 1 unit up. Which points are on the graph of the line afte
Katyanochek1 [597]
This is one way to do it

5 0
3 years ago
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