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erik [133]
3 years ago
12

The formula for surface area of a cube is 65, where s is the side length of the cube. If the side length of a cube is 4 centimet

ers, what is the
surface area of the cube?
A. 24 cm?
B. 48 cm?
C. 96 cm
D. 144 cm2
E 276 cm?
Mathematics
1 answer:
Blababa [14]3 years ago
5 0

Answer:

the answer is A

Step-by-step explanation:

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Kinda stuck please help would appreciate it :)
V125BC [204]

<em>Answer,</em>

<em>2w - 5 = 8</em>


<u><em>Hope this helps :-)</em></u>

8 0
3 years ago
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Anyone know this geometry question? Will give brainiest
Dafna11 [192]
The opposite angles equal each other, so X and Z are equal
 using that we solve for x by setting them equal:

6x-60 = 2x+68

subtract 2x from each side:

4x -60 = 68

add 60 to each side:

4x = 128
 divide both sides by 4
x = 128/4
x = 32

now we know x so we can solve everything else by replacing x with 32

WY = 3x+5 = 3(32)+5 = 96+5 = 101

angle Z = 2x+68 = 2(32)+68 = 64+132

the answer is C


5 0
3 years ago
Albert wants to show that tan(theta)sin(theta)+cos(theta)=sec(theta). He writes the following proof:
Nataly_w [17]
We have that
<span>tan(theta)sin(theta)+cos(theta)=sec(theta)
</span><span>[sin(theta)/cos(theta)] sin(theta)+cos(theta)=sec(theta)
</span>[sin²<span>(theta)/cos(theta)]+cos(theta)=sec(theta)

</span><span>the next step in this proof
is </span>write cos(theta)=cos²<span>(theta)/cos(theta) to find a common denominator
so

</span>[sin²(theta)/cos(theta)]+[cos²(theta)/cos(theta)]=sec(theta)<span>

</span>{[sin²(theta)+cos²(theta)]/cos(theta)}=sec(theta)<span>

remember that 
</span>sin²(theta)+cos²(theta)=1
{[sin²(theta)+cos²(theta)]/cos(theta)}------------> 1/cos(theta)
and 
1/cos(theta)=sec(theta)-------------> is ok

the answer is the option <span>B.)
He should write cos(theta)=cos^2(theta)/cos(theta) to find a common denominator.</span>
6 0
3 years ago
Read 2 more answers
Math i need help x-2y=1
arlik [135]

Answer:

Yo im taking the same thing tell me what answer you get because i eed it to.

Step-by-step explanation:

4 0
3 years ago
Help I will mark brainliestttt
Tresset [83]

Answer:

c

Step-by-step explanation:

its c

8 0
3 years ago
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