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Annette [7]
3 years ago
13

13x−2=     − 10 x − 2 −10x−2

Mathematics
1 answer:
Misha Larkins [42]3 years ago
3 0

Answer:

x=0

Step-by-step explanation:

13x-2 = 10x-2

Subtract 10x from each side

13x-10x-2 = 10x-2 -10x

3x-2 = -2

Add 2 for each side

3x-2+2 = -2+2

3x= 0

divide by 3

3x/3 = 0/3

x =0

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Someone tell me the anwser and i need to show my work too
Zinaida [17]
First you need to find how much 20% of $18.50 is. To do this, you need to multiply 18.50 by 20% which in decimal form is 0.2
$18.50x0.2=$3.70
Now you need to subtract $3.70 from $18.50
$18.50-$3.70=$14.80
Now that you have the new price, you need to find 6.75% of it to get the sales tax, so you multiply $14.80 by 6.75%, which is 0.0675 as a decimal.
$14.80x0.0675=$0.999 or $1 
Now you add the sales tax to $14.80
$14.80+$1=$15.80 or $14.80+$0.999=$15.799
6 0
3 years ago
Read 2 more answers
-4a <-32 what is the answer
Fiesta28 [93]

Answer:

a > 8

Step-by-step explanation:

Divide by the coefficient of the variable. Since it is negative, the direction of the comparison must be reversed.

(-4a)/(-4) > (-32)/(-4)

a > 8

6 0
3 years ago
Estimate 49.419-27.276 by first rounding each number to the nearest thousand.
Wewaii [24]

Answer:

22.143

Step-by-step explanation:

49.419-27.276=22.143

6 0
3 years ago
quentin recorded the weather for the past 100 days. it rained on 28 of the days. which fraction and decimal represent how many d
borishaifa [10]
0.28 and 28/100(or 7/25)
5 0
3 years ago
Solve: (a)(9a + 4) = 0.
Monica [59]

Answer:

a = -4/9

Step-by-step explanation:

(9a + 4) = 0

Subtract 4 from each side

9a + 4-4 = 0-4

9a = -4

Divide each side by 9

9a/9 = -4/9

a = -4/9

4 0
2 years ago
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