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anzhelika [568]
3 years ago
14

I need help please and thank you

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
5 0

the surface area is 72 sq cm

hooe this helped

sammy [17]3 years ago
4 0
The answer is 72. You need multiply L x W x H. Because it is a rectangular prism and had 2 sides you can multiply 3 x 6 x 2 which equals 36 and then multiply 36 x 2 = 72
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Blababa [14]

Answer:

<em></em>11x - 4 + 2x<em> and </em>13x - 4<em></em>

<em></em>

Step-by-step explanation:

Given

Options A to D

Required

Determine the equivalent pair

To do this, we solve each options one after the other.

(a):\

4x - 12 and 3(x - 3)

Open bracket

4x - 12 and 3 * x - 3 * 3

4x - 12 and 3x - 9

<em>The above pairs are not equivalent</em>

(b):\

2(x + 3) + 1 and 2x + 6

Open bracket

2x + 2*3 + 1 and 2x + 6

2x + 6 + 1 and 2x + 6

2x + 7 and 2x + 6

<em>The above pairs are not equivalent</em>

<em></em>

<em></em>(c):<em></em>

<em></em>11x - 4 + 2x<em> and </em>13x - 4<em></em>

Collect Like Terms

11x + 2x - 4 and 13 - x

13x - 4 and 13 - x

<em>The above pairs are equivalent</em>

5 0
3 years ago
Ak = v+w solve for a
pav-90 [236]

Answer:

a= v+w-k

Step-by-step explanation:

Get 'a' by itself to make it a solvable equation

so, subtract k from both sides so it can cancel itself on the 'a' side

7 0
3 years ago
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beks73 [17]

Answer:

Sin of x does not change

Step-by-step explanation:

Whenever a triangle is dilated, the angle remains the same as well as the ratio for sides of triangle. For smshapes with dimensions, when shapes are dilated the dimensions has increment with common factor.

From trigonometry,

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But we were given the scale factor of 2 which means the dilation is to two times big.

Then we have

Sin(x)=(2×opposite)/(2×hypotenose)

Then,if we divide by 2 the numerator and denominator we still have

Sin(x)=opposite/hypotenose

Which means the two in numerator and denominator is cancelled out.

Then we still have the same sin of x. as sin(4/5)

Hence,Sin of x does not change

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Answer:

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Step-by-step explanation:

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