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Arturiano [62]
3 years ago
10

If a builder needs p pieces of wood for every 5s square feet of the building, what is the total amount of lumber of he needs to

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
5 0

Answer: He will need 700 pieces of wood.

Step-by-step explanation: Divide the total by how many square feet one piece of wood will cover, so 3,500/5, and you'll get 700.

Hope this helps.

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Jeremy has 18 marbles. He loses 6 of them.
rewona [7]

Answer:

he has 12/18th's of the marbles.

work:

18/18 - 6/18 = 12/18

6 0
3 years ago
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Mass: 21 g volume:7cm3 density.
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D = M/V

D= 21/7

D = 3 g/cm3
3 0
3 years ago
The trapezoid below has an area of 475 square meters.
OLga [1]
Data:
B (Larger base) = 28 m
b (Minor base) = 18 m
h (height) = ?
A (area) = 475 m²

Formula:
A =  \frac{(B+b)*h}{2}

Substitute:
475 = \frac{(28+18)*h}{2}
475 = \frac{\diagup\!\!\!\!\!46^{23}*h}{\diagup\!\!\!\!2^1}\:\:\to\:\:\:475 = 23*h\:\:or\:\:\boxed{\boxed{23h = 475}}

Answer:
\textcircled{ A }  23h = 475



4 0
3 years ago
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Find the length of the third side to the nearest tenth.<br> 8<br> 5
brilliants [131]

Answer:

The length of third side is: 6.3

Step-by-step explanation:

Given triangle is a right triangle where

Base = ?

Perpendicular = 5

Hypotenuse = 8

Let x be the base

As it is a right-angled triangle, Pythagoras theorem can be used to find the third side

Hypotenuse^2 = Base^2 + Perpendicular^2

Putting the known values

(8)^2 = x^2 + (5)^2\\x^2 = (8)^2-(5)^2\\x^2 = 64-25\\x^2 = 39\\

Taking square root on both sides

\sqrt{x^2} = \sqrt{39}\\x = 6.24499

Rounding off to the nearest 10th

Base = 6.3

Hence,

The length of third side is: 6.3

6 0
3 years ago
A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for every 4 white marbles. How many
Lostsunrise [7]

Answer:

Since, there are 21 blue marbles for every 4 white marbles, therefore the ratio of blue marble to white marbles is 21:4.

Step-by-step explanation:

4 0
3 years ago
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