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viva [34]
3 years ago
6

Directions: 1. Assume each person is following Dave’s advice of investing 15% of his or her annual household income.

Mathematics
1 answer:
Rudik [331]3 years ago
8 0
I believe you don't need to do any work at all except to divide everything by 25%.
I hope I helped you out!
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Select all of the equations that are equivalent to 3 x − 12 = 19
nydimaria [60]

Answer:

X=2

Step-by-step explanation:

x

=

−

2

Explanation:

Collect terms in x on the left side of the equation and numeric values on the right side.

add 3x to both sides.

5

x

+

3

x

+

12

=

−

3

x

+

3

x

−

4

⇒

8

x

+

12

=

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4

subtract 12 from both sides.

8

x

+

12

−

12

=

−

4

−

12

⇒

8

x

=

−

16

To solve for x, divide both sides by 8

8

x

8

=

−

16

8

⇒

x

=

−

2

As a check

Substitute this value into the equation and if the left side is equal to the right side for this value then it is the solution.

left side  

=

(

5

×

−

2

)

+

12

=

−

10

+

12

=

2

right side  

=

−

(

3

×

−

2

)

−

4

=

=

6

−

4

=

2

⇒

x

=

−

2

is the solution

7 0
2 years ago
Read 2 more answers
A bus holds 25 students. There are 205 students. How many buses will be needed to transport all the students?​
Alja [10]

Answer:You would need 9 buses for everyone

Step-by-step explanation:with 8 buses you would have taken 200 students so you'd need one more bus for the other five.

8 0
2 years ago
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Winnie and pooh goes to the honey store to buy a case of honey for the winter.the case of 24 jars of honey cost $27.60.What is t
kobusy [5.1K]
Each jar would cost $1.15
3 0
3 years ago
Read 2 more answers
In a school canteen there are 7 choices of drink, 3 choices for the main meal and 2 choices for the pudding. If I have one of ea
irinina [24]

Answer:

42

Step-by-step explanation:

All you have to do is multiply all the choices together so 7x3 is 21x2 is 42. Or you can make a tree diagram.

7 0
3 years ago
Please answer the following with Explaination
Zolol [24]

Step-by-step explanation:

brainliest plzz its confirm

5 0
2 years ago
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