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valkas [14]
2 years ago
7

a box of 100 nails weighs 1 5/8 pounds. mark used 3 1/3 boxes of naila to build a 2 story tree house. how many pounds of nails d

id he use?​
Mathematics
1 answer:
alekssr [168]2 years ago
5 0

Answer:

  5 5/12 pounds of nails

Step-by-step explanation:

  (3 1/3 boxes) × (1 5/8 pounds/box) = (10/3)(13/8) pounds = 65/12 pounds

  = 5 5/12 pounds

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2+2×4 that is my question i need help​
devlian [24]

Answer:

10

Step-by-step explanation:

2+(2x4)

2x4=8

2+8=10

6 0
2 years ago
Read 2 more answers
Rita is thinking of two numbers. Adding 4 times the first number and 9 times the second number gives a total of 1. Also, adding
charle [14.2K]

Answer:

first number is negative 2, second is 1

Step-by-step explanation:

-2×4= -8 1×9=9

-8+9=1

-2×4= -8 1×6=6

-8+6= -2

hope this helped

6 0
2 years ago
can someone help me with this? pls explain the steps. You don't have to do them all I just need to know the steps to solve. Much
Luba_88 [7]

Answer:

can u help me with my history homework and ill help u with urs

Step-by-step explanation:

6 0
2 years ago
A cylinder vase has a height of 10 inches and a diameter of 3 inches. If the water raises to 9/10 of the way to the top, approxi
goblinko [34]

Answer:

The volume of water in the vase is 64 in^3

Step-by-step explanation:

A cylinder vase has a height, h, of 10 inches and its diameter of 3 inches. This means that its radius, r, is:

r = 3 / 2 = 1.5 inches

To find the volume of the water in the vase if the water raises to 9/10 of the way to the top, we first have to find the volume of the vase when it is filled with water and then, find 9/10 of that volume.

The volume of a cylinder is given as:

V = \pi r^2h

The volume of the vase will be:

V = \pi * 1.5^2 * 10\\V = 70.69 in^3

Hence, the volume of the water in the vase when it is 9/10 filled is:

\frac{9}{10} * 70.69 = 63.62 in^3

Approximating to the nearest cubic inch, the volume of water in the vase is 64 in^3

5 0
2 years ago
The number of days ahead travelers purchase their airline tickets can be modeled by an exponential distribution with the average
agasfer [191]

Answer:P(x<10) =0

Step-by-step explanation:

M =1/μ

M= 1/15 =0.066667

X- Exp (0.066667)

Where: X is the random variable for number of days

P (X<x) = 1 - e^-mx

P(X - x) = 1 - e^-0.06666 x10

P(x<10) = 0

3 0
2 years ago
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