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PIT_PIT [208]
3 years ago
8

Nelda needs to wrap a holiday gift box. The box is in the shape of a rectangular prism with the dimensions shown.

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

416 in²

Step-by-step explanation:

Given that:

Height. h = 4 in

Length = 12 in

Width = 10 in

The surface area of a rectangular prism is obtained using the relation :

Surface Area, S = 2(lw + lh + wh)

S = 2[(10*12) + (10*4) + (12*4))

S = 2(120 + 40 + 48)

S = 2(208)

S = 416 in²

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A line segment AB has midpoint (2, 5). If the coordinates of A are (-1, -3), what are the coordinates of B?
Alexandra [31]

Answer:

B (5; 13)

Step-by-step explanation:

Midpoint (x) = (-1 + bx)/2 = 2

Bx - 1 = 4

Bx = 5

Midpoint (y) = (-3 + By)/2 = 5

By - 3 = 10

By = 13

B (5; 13)

3 0
3 years ago
Sarah washes cars at the car wash. She makes $8.25 per hour and earns $30 in tips per day. Give an expression that Sarah could u
Likurg_2 [28]

you would need to multiply 8.25 by the number of hours worked (x) and then add the tips

 so it would be A. 8.25x+30

8 0
3 years ago
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Which pair of angles must be supplementary?
Alenkasestr [34]
The answer is: <4 and <5

7 0
3 years ago
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Simplify the expression by arranging the steps in sequence, based on the order of operations.
lubasha [3.4K]

Answer:

\displaystyle 6x - 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \frac{1}{6}(30x + 24) - \frac{1}{7}(63 - 7x)<u />

<u />

<u>Step 2: Simplify</u>

  1. Distribute:                           \displaystyle \frac{1}{6}(30x) + \frac{1}{6}(24) - \frac{1}{7}(63) - \frac{1}{7}(-7x)
  2. Multiply:                              \displaystyle 5x + 4 - 9 + x
  3. Rearrange:                          \displaystyle 5x + x + 4 - 9
  4. Combine like terms:          \displaystyle 6x - 5
8 0
2 years ago
Disregarding wind resistance the distance a body falls from rest varies directly as th squares of the time it falls if a skydive
Firdavs [7]

Answer:

The skydiver will fall 1600 ft in 10 seconds.

Step-by-step explanation:

<u>Distance a body falls from rest varies directly as the squares of the time it falls </u>

Let distance = s    

      time = t

Therefore , s = k \times t^{2}

Given, the body falls 64 ft in 2 seconds.

Substituting in above equation,

64 = k \times (2)^{2}

64 = k \times (4)

 k  = \frac{64}{4}

 k = 16 ft/s^{2}

We have to find how much he will fall in 10 seconds.

s = k \times t^{2}

s = 16 \times 10^{2}

s = 16 \times 100

s = 1600 ft

3 0
3 years ago
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