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olasank [31]
3 years ago
14

How many rectangular prisms 8 inches long, 5 inches wide, and 2 inches high can fit into another rectangular prism that measures

16 inches long, 10 inches wide, and 10 inches high?
Mathematics
1 answer:
tangare [24]3 years ago
8 0

Answer:

20

Step-by-step explanation:

Volume of rectangular prism = length × width × height

Length = 8 inches

Width = 5 inches

Height = 2 inches

Volume of rectanglular prism = length × width × height

= 8 inches * 5 inches * 2 inches

= 80 inches ³

Dimensions of another rectangular prism:

Length = 16 inches

Width = 10 inches

Height = 10 inches

Volume of rectangular prism B = length × width × height

= 16 inches * 10 inches * 10 inches

= 1,600 inches ³

Number of prism A that fits into prism B = Volume of prism B ÷ volume of prism A

= 1,600 inches ³ ÷ 80 inches ³

= 20

Number of prism A that fits into prism B = 20

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Natalka [10]
214/1000 is this as a fraction
3 0
4 years ago
A cell phone company offers a contract that costs $14.99 plus $0.06 per minute. Find the total number of minutes used if the bil
sattari [20]

Answer:

87 minutes

Step-by-step explanation:

Let the total number of minutes = m

Our equation is given as:

$20.21 = $14.99 + 0.06m

20.21 = 14.99 + 0.06m

Collect like terms

0.06m= 20.21 - 14.99

0.06m = 5.22

m = 5.22/0.06

m = 87

Therefore, the total number rod minutes used is 87 minutes

7 0
3 years ago
If a certain canon is fired from a height of 8.9 m above the ground, at a certain angle, the height of the Campbell above the gr
qwelly [4]

Answer:

T=5.9235 seconds

Step-by-step explanation:

H(T)= -4.9T^2+27.52T+8.9.

The time it takes for the cannonball to strike the ground is the point at which H(T)=0

H(T)= -4.9T^2+27.52T+8.9.=0

-4.9T^2+27.52T+8.9=0

This is a quadratic equation and since we have a bunch of decimals we use the quadratic formula:

x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a}

a=-4,9, b=27.52, c=8.9

T=\dfrac{-27.52\pm\sqrt{(-27.52)^2-(4*-4.9*8.9)} }{2*-4.9}\\=\dfrac{-27.52\pm\sqrt{757.3504-(-174.44)} }{-9.8}\\=\dfrac{-27.52\pm\sqrt{931.7904} }{-9.8}\\=\dfrac{-27.52\pm30.53 }{-9.8}\\T=-0.3071 \:or\:  5.9235\\T=5.9235 seconds

It takes 5.9235 seconds for the cannonball to strike the ground.

4 0
3 years ago
Which of the following is the solution set to the equation -4(x+1)^2 -3=- 51
ANTONII [103]

Answer:

x is equal to 2.5 and -4.5

Step-by-step explanation:

-4(x + 1)² - 3 = -51

-4(x² + 2x + 1) - 3 = -51

-4x² - 8x -3 - 3 = -51

-4x² - 8x - 6 = -51

-4x² - 8x = -45

-4(x^2 + 2x) = -45

-4(x^2 + 2x + 1) = -49

-4(x + 1)² = -49

(x + 1)² = 49/4

x + 1 = ± √(49/4)

x + 1 = ± 7/2

x = -1 ± 3.5

x = 2.5, -4.5

6 0
3 years ago
The local store sells small pieces of candy for $0.15 each. Shondra spent
ahrayia [7]

Answer:

120 pieces of candy

Step-by-step explanation:

To find <em>c,</em> you need to divide your know values, 18.00 and .15. So 18/.15 = 120.

Shondra bought 120 pieces of candy.

7 0
3 years ago
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