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liq [111]
3 years ago
11

Dan had 7 dimes in his bank his dad gave him 9 more dimes how many dimes does Dan have now

Mathematics
1 answer:
timofeeve [1]3 years ago
3 0

Answer:

16 dimes

Step-by-step explanation:

He already has 7, and got 9 more, so we can add 7 and 9

7+9 =16

So, Dan has 16 dimes now

Hope this helps! :)

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Generate an equivalent algebraic expression by combining like terms.<br><br> 2x-6y+2x^2-21-4y+4x-x^2
Vlad1618 [11]
I’m pretty sure it’s

6x-10y+x^2-21




Unless I read it wrong then sorry
3 0
2 years ago
Write two expressions that show that decreasing a quantity by 10% is the same as multiplying that quantity by 0.9​
Contact [7]

Step-by-step explanation:

x -0.1x = x(1-0.1) = 0.9x

3 0
3 years ago
Plsssss<br>do all of the questions and I give you brainlist .make sure they are right ​
ozzi

Answer:

1) 6,000 B) 800 C) 4,000

2)7,500

3)third and fourth one

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
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loris [4]
I got (-6.28, -0.76). 

Step 1.) Write out the problems
   -2x=8-6y
   -15x=21-6y

Step 2.) Pick a problem and solve for X
   -2x=8-6y =  x=-4-3y

Step 3.) Plug in the x
    (-15)(-4-3y)= 21-6y
    60 + 45y= 21-6y

Step 4.) Solve for y
    y=-0.76

Step 5.) Plug in the y value into one of the equations
    -2x= 8- 6(-0.76)
    -2x= 8 + 4.56
     x= -6.28

Step 6.) Check your answers
    -2(-6.28)=8-6(-0.76)
    12.56=12.56

Step 7.) Write it out
   (-6.28,-0.76)
7 0
2 years ago
Mrs. Smith has a total of 25 kids in her class. There are 3 more boys than there are girls. Write a system of equations to model
Svetlanka [38]

Answer:

b + g = 25

b = g + 3

Step-by-step explanation:

Let b = number of boys.

Let g = number of girls.

"Mrs. Smith has a total of 25 kids in her class."

b + g = 25

"There are 3 more boys than there are girls."

b = g + 3

The system of equations is:

b + g = 25

b = g + 3

6 0
2 years ago
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