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3 years ago

7

LeAnn is purchasing giftwrap for a box that measures 8 inches long, 6 inches wide, and 6 inches tall. Calculate the total area o

f the box that will be covered in giftwrap. Show all of your work for full credit. Can someone actually solve the problem?

1 answer:

larisa86 [58]3 years ago

8 0

Answer:

288

Step-by-step explanation:

Multiply 8*6*6

8*6=48, 48*6=288

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. Suppose you plan to make a box that will hold exactly 40 one-inch cubes. Give the dimensions (ex: 1in x 1in x 40in) of 3 possi

stiks02 [169]

Answer:

The dimensions of the three possible boxes are;

Box 1: 2 inches length by 4 inches width by 5 inches height

Box 2: 2 inches length by 2 inches width by 10 inches height

Box 3: 8 inches length by 1 inch width by 5 inches height

Step-by-step explanation:

The dimensions of the required box = 40 in³

Therefore, a box that will hold all the cubes will have a dimension given as follows;

Length, l × Width, w × Height, h = 40 in.³

We therefore, look for possible dimensions of l, w, h, however to make is faster, we note that l × w = base area, BA, hence we look for the factors 40 thus;

BA × h ≡ l × w × h

8 × 5 = 40 ≡ 2 × 4 × 5 = 40

4 × 10 = 40 ≡ 2 × 2 × 10 = 40

8 × 5 = 40 ≡ 8 × 1 × 5 = 40

Hence we have our three possible boxes as follows;

Box 1: Length = 2 inches, width = 4 inches and height = 5 inches

Box 2: Length = 2 inches, width = 2 inches and height = 10 inches

Box 3: Length = 8 inches, width = 1 inches and height = 5 inches.

4 0

2 years ago

Brainliest 5 stars Thanks!<br> Use the Remainder Theorem.

GalinKa [24]

Answer:

If f(1)=0 then 1 is a root and (x-1) is a factor of f(x). divide f(x) by (x-1). you now have a quadratic. Find its roots by methods you know.

actually this factors by grouping:

f(x)=x³+3x²-x-3

= x²(x+3)-1(x+3)

=(x+3)(x²-1)

=(x+3)(x-1)(x+1) // difference of squares

By zero product property roots are

-3, -1, 1

5 0

2 years ago

Which function has an inverse that is also a function?

Firdavs [7]

Answer:

g(x) = 2x - 3

Step-by-step explanation:

The inverse of a function is the equation where x and y have switched places. If when you solve for y again, the function passes the vertical line test, the inverse if a function.

g(x) = 2x - 3 has inverse x = 2y - 3 which simplifies to y = (x-3)/2. This is a line and is a function y = 1/2 x - 3/2.

k(x) = -9x^2 has the inverse x = -9y^2 which simplifies to $y = \sqrt{\frac{x}{-9} }$ . This is a function but only for certain values of x.

f(x) = |x+2| is an absolute value function. All absolute value functions do not have inverses which are functions.

w(x) = -20 does not have an inverse which is a function.

This means A is the solution.

6 0

3 years ago

The perimeter of a rectangular field is 368 yards. If the width of the field is 87 yards, what is it’s length

just olya [345]

This length of the rectangular field is 97 yards because if you double the length and double the width and add them up you get the perimeter (368)

3 0

3 years ago

Read 2 more answers

Are the triangles congruent

Eduardwww [97]

Triangles can only be congruent when if all sides are the same

8 0

3 years ago