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user100 [1]
3 years ago
8

Evaluate 3z+6 when z=4​

Mathematics
1 answer:
tatyana61 [14]3 years ago
5 0

Answer:

18

Step-by-step explanation:

plug 4 for z

3(4)+6=18

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Serhud [2]
<em>y over 4  </em><em>means the number (y)</em><u><em /></u><em> </em><em>divided by 4.</em><u><em>
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3 years ago
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Help! Please show work, and identify the solution or how many solutions there are to the system.
Sveta_85 [38]

Answer:

one solution (-3, -6)

Step-by-step explanation:

the two line cross at the point (-3, -6) and only at that one point so there is only one solution (-3, -6).

4 0
3 years ago
Please help me with this
satela [25.4K]
Area of the trapezoid:
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5 0
2 years ago
The volume of a cylindrical soup can is represented by the expression πr3 + 7πr2, where r is the radius of the cylinder. Which s
Ganezh [65]

Answer:

Step-by-step explanation:

Given the volume of the cylindrical soup expressed as V = πr³+ 7πr²

From V = πr³ + 7πr²;

factor out the common variable

V = πr³ + 7πr²

V = πr²(r+7) ... 1

The original volume of a cylinder V =  πr²h .... 2 where;

r is the radius of the cylinder

h is the height of the cylinder

Equating equation 1 and 2, we will have;

πr²(r+7)  =  πr²h

Divide both sides by  πr²

πr²(r+7)/ πr² = πr²h/ πr²

r+7 = h

h = r+7

<em>Hence the factor in the context given is equivalent to the height of the cylinder written as a function of its radius r</em>.<em> The statement means that the height of the cylindrical soup is 7 more than its radius.</em>

<em></em>

5 0
3 years ago
Please help! I’ll mark Brainlyest
denpristay [2]

Answer:

3

Step-by-step explanation:

the answer is x=3 because 4x3 = 12 + 1 = 13. there's your answer. please mark me brainliest!!!

3 0
2 years ago
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