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prohojiy [21]
3 years ago
13

The figure is the net for a rectangular prism. What is the surface area of the rectangular prism represented by the net? Enter y

our answer in the box. _______in^2

Mathematics
2 answers:
kvasek [131]3 years ago
7 0

Answer: 174 in²

Step-by-step explanation:

The surface area of the rectangular prism is  the sum of the surface areas of the rectangles.

 The formula for calculate the surface area of a rectangle is:

A=l*w

Where l is the lenght and w is the width.

As you can see in the figure, there are three pairs of equal rectangles, therefore, multiply the surface area of one rectangle of each equal pair by 2.

 The surface area of the rectangular prism is:

A=2(9in*5in)+2(9in*3in)+2(5in*3in)=174in^{2}

PolarNik [594]3 years ago
4 0

Answer:

idk

Step-by-step explanation:

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Rationalize the denominator and simplify 6/√2-√3
ss7ja [257]
Answer:

<span>=3<span>√6</span>−3<span>√5</span></span>

Explanation:

<span>3<span><span>√5</span>+<span>√6</span></span></span>

We rationalise the denominator by multiplying the expression by the conjugate of the denominator. <span><span>√5</span>−<span>√6</span></span>

<span><span>3⋅<span>(<span>√5</span>−<span>√6</span>)</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span>

<span>=<span><span>3⋅<span>(<span>√5</span>)</span>+3⋅<span>(−<span>√6</span>)</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span><span>(<span>√5</span>+<span>√6</span>)</span>⋅<span>(<span>√5</span>−<span>√6</span>)</span></span></span></span>

<span>Applying identity
<span><span>(a+b)</span><span>(a−b)</span>=<span>a2</span>−<span>b2</span></span> to the denominator.</span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span><span><span>(<span>√5</span>)</span>2</span>−<span><span>(<span>√6</span>)</span>2</span></span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span>5−6</span></span></span>

<span>=<span><span>3<span>√5</span>−3<span>√6</span></span><span>−1</span></span></span>

<span>=−3<span>√5</span>+3<span>√6</span></span>

<span>=3<span>√6</span>−3<span>√<span>5
</span></span></span>

5 0
3 years ago
Selling Price is $2,640 and the Loss is $196. Find the Cost Price.​
myrzilka [38]
If I am correct, it should be $2,736.


if this is a re-sell, then you would have to add the loss to the selling price to get the original cost.

loss means how much was lost in profit, so whenever you see that make sure to add it to whatever is applicable, like in this case, $2,640.
4 0
3 years ago
Please answer Parts A, B, and C. I Will Mark Brainliest
bogdanovich [222]
A) John: 3.75+1.45m
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B) (3.75+1.45m)+(6.25+0.55m)
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4 0
3 years ago
What 4c=12<br> 4c/4=12.4
stiks02 [169]

Answer:

c =3

Step-by-step explanation:

4c = 12

Divide each side by 4

4c/4 =12/4

c = 3

5 0
3 years ago
An angle that is 120 degrees is called what
RUDIKE [14]

Answer:obtuse

Step-by-step explanation:

4 0
3 years ago
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