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eduard
3 years ago
12

Billy bought Katie a present wrapped in this box. How much wrapping paper would He need to wrap the present in this box, PLEASE

HELP! WILL MARK BRAINLIEST

Mathematics
2 answers:
Setler [38]3 years ago
7 0

Answer:

284mm²

Step-by-step explanation:

S.A.= 2(lw) + 2(lh)+ 2(wh)

2[12.6(8)] + 2[12.6(2)] + 2[8(2)]

201.6 + 50.4 + 32

S.A.= 284mm²

evablogger [386]3 years ago
5 0

Answer:

B

Step-by-step explanation:

You need a top and bottom (same size)

You need a front and back (same size for them as well)

You need  a left and right covering.

Top and bottom = 2 * 12.6 * 8 = 201.6

Left Right = 2 * 8 * 2 =                  32.0

Front/Back= 2 * 2 * 12.6 =        <u>     50.4</u>

Total                                            284

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Alchen [17]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Test the set of polynomials for linear independence. If it is linearly dependent, express one of the polynomials as a linear com
aliina [53]

Answer:

The set of polynomial  is Linearly Independent.

Step-by-step explanation:

Given - {f(x) =7 + x, g(x) = 7 +x^2, h(x)=7 - x + x^2} in P^2

To find - Test the set of polynomials for linear independence.

Definition used -

A set of n vectors of length n is linearly independent if the matrix with these vectors as columns has a non-zero determinant.

The set is dependent if the determinant is zero.

Solution -

Given that,

f(x) =7 + x,

g(x) = 7 +x^2,

h(x)=7 - x + x^2

Now,

We can also write them as

f(x) = 7 + 1.x + 0.x²

g(x) = 7 + 0.x + 1.x²

h(x) = 7 - 1.x + 1.x²

Now,

The coefficient matrix becomes

A = \left[\begin{array}{ccc}7&1&0\\7&0&1\\7&-1&1\end{array}\right]

Now,

Det(A) = 7(0 + 1) - 1(7 - 7) + 0

           = 7(1) - 1(0)

           = 7 - 0 = 7

⇒Det(A) = 7 ≠ 0

As the determinant is non- zero ,

So, The set of polynomial  is Linearly Independent.

5 0
2 years ago
The price of an item has been reduced by 95%. The original price was $93.
mixas84 [53]

Answer:

4.65

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
a rectangle with width of 7 and length of 9 has a square of side length 5 cut out of it. what is the area of the rectangle after
dezoksy [38]
Area of rectangle is 7x9 which is 63
Area of the square=5x5 which is 25
So area is: 63-25=38
6 0
2 years ago
7. Which of the following equations are
Anuta_ua [19.1K]
C and E are the right ones
6 0
2 years ago
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