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abruzzese [7]
2 years ago
15

Find the surface area. 7 in. 7 in. 7 in. please help

Mathematics
1 answer:
saveliy_v [14]2 years ago
6 0

Answer:

294

Step-by-step explanation:

One side is 7×7 which is 49.

There are six sides so now it's 49×6, which gives you 294.

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Simplify <br> (-8.5) (-5) (-2).
Ber [7]

Answer:

-85

Step-by-step explanation:

(-8.5)(-5)(-2)

=(-8.5)(10)

=-85

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3 years ago
What is the minimum of 18.6
krek1111 [17]
Minimum of 18.6 = 18.55
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Which function represents the trend line?
borishaifa [10]

Answer:

4

Step-by-step explanation:

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3 years ago
The sum of three numbers is 3. if the second number is subtracted from the sum of the first and third numbers, the result is 9.
Margaret [11]
Let the three numbers be x, y, and z.

If the sum of the three numbers is 3, then x+y+z=3

If subtracting the second number from the sum of the first and third numbers gives 9, then x+z-y=9

If subtracting the third number from the sum of the first and second numbers gives -5, then x+y-z=-5

This forms the system of equations:
[1] x+y+z=3
[2] x-y+z=9
[3] x+y-z=-5

First, to find y, let's take do [1]-[2]:
x+y+z=3
-x+y-z=-9
2y=-6
y=-3

Then, to find z, let's do [1]-[3]:
x+y+z=3
-x+-y+z=5
2z=8
z=4

Now that you have y and z, plug them into [1] to find x:
x+y+z=3
x-3+4=3
x=2

So the three numbers are 2,-3, and 4.


5 0
3 years ago
Which expression is equivalent to 6(14)? 6(10 + 4) 6(10 + 14) 6(1 + 40) 6(10 + 40)
krok68 [10]
The first one because of you add 10 and 4 you get 14. And they both multiply 6 by 14.
8 0
3 years ago
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