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pashok25 [27]
3 years ago
15

Find the sum 4.12+7​

Mathematics
1 answer:
marin [14]3 years ago
8 0

Answer:

11.12

Step-by-step explanation:

4.12

+7

-----

11.12

7+4= 11

11 + .12 = 11.12

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Decrease <br>133 in the ratio 7:2​
love history [14]

Answer:

38

Step-by-step explanation

2/7× 133=38

6 0
3 years ago
What's the total surface area of a covered box with a length of 4 ft, a width of 3 ft, and a height of 6 ft?
Semmy [17]

Answer:  108 square feet

===============================================

Work Shown:

L = 4 = length

W = 3 = width

H = 6 = height

SA = surface area of the box

SA = 2*(LW + LH + WH)

SA = 2*(4*3 + 4*6 + 3*6)

SA = 108

4 0
2 years ago
Simplify 2(x + y) + 3(x + y).
Sophie [7]

Answer:

5x+5y

Step-by-step explanation:


3 0
3 years ago
3 less than a number h is -12
soldi70 [24.7K]
H-3=-12 is the equation.
Then add 3 on both sides to solve for h.

h-3=-12
+3 +3
————-
h=-9

h-3=-12 is the equation and h=-9
7 0
4 years ago
What is the circumference of a circle with area 81 \pi square inches?
jok3333 [9.3K]
Area = πr² ⇒
81π = πr²  ⇒  81 = r²   ⇒ r = √81 = 9 in

<span>Circumference = 2</span>πr = 2*9*π = 18π in
7 0
3 years ago
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