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svlad2 [7]
3 years ago
5

How would I solve this

Mathematics
2 answers:
Travka [436]3 years ago
5 0

opening the bracket will give

-10x + 18 = 10x +4

collect the like terms

18 - 4 = 10x +10x

14 = 20x

x=20/14

Vlad [161]3 years ago
3 0

Answer:

Step-by-step explanation:

-10x+18=10x+4

20x=14

x=14/20=7/10=0.7

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a sandwich shop has 60 stores and 70 percent of the stores are I California. How many stores are in California and Nevada
Aliun [14]

Answer:

The number of stores in California 42

The number of stores in Nevada 18

Step-by-step explanation:

Given as :

The total sandwich shop in California and Nevada = 60

The percentage of shop in California = 70%

So, The percentage of shop in Nevada = 100% - 70% = 30%

Let The number of stores in California = c

And The number of stores in Nevada = n

Now, According to question

The number of stores in California = 70% of the total number of shops

I.e c = \frac{70}{100} ×  total number of shops

Or, c =  \frac{70}{100} × 60

∴   c = \frac{70\times 60}{100}

or, c =   \frac{4200}{100}

or, c = 42

So, The number of stores in California = c =42

Again

The number of stores in Nevada = 30% of the total number of shops

I.e n = \frac{30}{100} ×  total number of shops

Or, n =  \frac{30}{100} × 60

∴   n = \frac{30\times 60}{100}

or, n =   \frac{1800}{100}

or, n = 18

So, The number of stores in Nevada = n = 18

Hence The number of stores in California 42

And The number of stores in Nevada 18   Answer

8 0
4 years ago
Triangle J K L is shown. Angle K L J is a right angle. The length of hypotenuse K J is 10.9 centimeters and the length of L J is
Dmitriy789 [7]

Answer:

Sin -1 (8.9 / 10.9) = x

Step-by-step explanation:

Answer D on edg.

5 0
3 years ago
Read 2 more answers
♥️Any help would be appreciated ♥️
enot [183]

Answer:2/5 a)

Hope this helps you...


Step-by-step explanation:


7 0
4 years ago
Drag the operations into the order in which they should be performed to evaluate the expression below. 7 × 6 ÷ ( 13 − 10 ) + 4 a
monitta

Answer:It's 18

Step-by-step explanation:Multiply 7 and 6 to get 42

Subtract 10 from 13 to get 3

Divide 42 by 3 to get 14

Add 14 and 4 to get 18

5 0
3 years ago
Read 2 more answers
Simplify by combining like terms: 18a + 2.5a
dedylja [7]

Answer:

20.5a

Step-by-step explanation:

  1. 18a + 2.5a = 20.5a

I hope this helps!

8 0
3 years ago
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