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denis-greek [22]
3 years ago
7

Explain what the variable represents in an addition or subtraction expression

Mathematics
1 answer:
Stels [109]3 years ago
3 0
A varible represents the number u are looking for. 

Example: 
2x + 3x  
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. Freddie swam 3/8 laps yesterday and 1/4 today. How many laps did he swim in total? IS
Ronch [10]

Answer:

5/8

Step-by-step explanation:

Freddie swam 3/8 laps yesterday

He also swam 1/4 laps today

Therefore the total lap swam can be calculated as follows

= 3/8 + 1/4

= 5/8

Hence the total lap is 5/8

8 0
3 years ago
Find the area of the figure
V125BC [204]

Answer: 60 ft

Separate into 2 rectangles and add their areas together!

Vertical rectangle area: 10 x 3 = 30 ft

Horizontal rectangle area: 10 x 3 = 30 ft

Area of entire thing: 30 + 30 = 60 ft

3 0
3 years ago
Simplify the expression and write out steps plz :)<br> (4- root3)(root7+ root2)
dybincka [34]
You can do this with foil
F(which is the first term of both factors): 4*sqrt(7)
O(outside terms of both factors first and last) 4*sqrt(2)
I (Inside terms 2nd and 3rd) = - sqrt(3) sqrt(7) = - sqrt(21)
L (Last term in each of the factors) - sqrt(3)*sqrt(2) = - sqrt(6)

Combine terms: 4*sqrt(7) + 4*sqrt(2) - sqrt(21) - sqrt(6) <<<< answer.
7 0
4 years ago
5 t shirts cost $25.00 how much do 15 t shirts cost <br><br><br> if you can please show work!!:)
motikmotik

Answer:

Step-by-step explanation: ok so counting my 5’s .. 5, 10, (15) it’s 3 times soo 5 shirts cost 25 you are gonna do 25x3 so it’s 75

7 0
3 years ago
Read 2 more answers
How can I fing the volume of a fish tank?
likoan [24]

Answer:

You can measure from the inside of the tank or measure the outside and subtract the width of the tank walls to find the inside measurement. Next multiply the length width and depth measurements to find the cubic volume in cubic inches

Step-by-step explanation:

6 0
3 years ago
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