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Vilka [71]
3 years ago
13

Plzzzzzzzzz helpppppppp meeeeeeeeee

Mathematics
1 answer:
dalvyx [7]3 years ago
5 0

Answer:

spenca idk the answer g

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Please help me!<br> Please!
nasty-shy [4]
The answer would be a
5 0
3 years ago
Read 2 more answers
A cube has a lateral area of 676 square feet.<br> What is the side length of the cube?
sp2606 [1]

Answer:

13 ft.

Step-by-step explanation:

Lateral Surface area of a cube is the area of 4 sides, front side, back side, left side face and right side face.

It can be seen seen from the attached figure as well.

Each face in a cube is a square. And each side in the cube is equal.

So, Lateral surface area is nothing but 4 \times area of a square.

And we know that area of a square = side^{2}.

Hence, Lateral surface area = 4 \times side^{2}

As per question:

4 \times side^{2} = 676

side^2 = 169 \\\Rightarrow side = 13

Hence, side length of cube = 13 feet.

7 0
3 years ago
4+5(-2x+3)+3x=61<br> if possible could you also show me how to get to the answer?
Ket [755]

Answer:

I need this answer too !!!

4 0
2 years ago
Prove that sin20sin40sin60sin80=3/16
never [62]
We'll use the following properties of sine and cosine to prove this:

sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))

cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))

cos(180+a) = cos(180-a)

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 -  cos160 - cos120 + cos200) =

1/8(1 -  cos160 - cos120 + cos160) =

1/8(1 - cos120 ) = 1/8( 1 + 1/2 ) = 3/16

5 0
3 years ago
Need help figuring out this problem!
JulijaS [17]
6[13-2(4+1)]

Solve what is in the bracket first.
Parenthesis first.

6[13-8-2]
6(3)
18


7 0
3 years ago
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