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Alona [7]
4 years ago
12

There are 2 4/5 pounds of bricks in a bag. each brick weighs 2/5 of a pound. how many bricks are in the bag?

Mathematics
1 answer:
Rudiy274 years ago
3 0
I think there are 7 bricks in the bag
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vovikov84 [41]

Answer:

6.8 nearly 7

Step-by-step explanation:

beacuse mean is sum of all terms in a data/number of terms in the data

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Answer ASAP please −0.1·(100a+10b−c)
Aneli [31]

Answer:

- 10a-b+0.1c

Step-by-step explanation:

−0.1·(100a+10b−c)= - 10a-b+0.1c

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Find the volume of the pyramid below. Hint: The base is a right triangle, so you will need to find
Aleks04 [339]

<u>Given</u>:

Given that the height of the pyramid is 12 units.

The base of the triangle is 8 units.

The height of the triangle is 6 units.

We need to determine the volume of the pyramid.

<u>Area of the triangle:</u>

The area of the triangle can be determined using the formula,

A=\frac{1}{2} bh

where b is the base of the triangle and h is the height of the triangle.

Substituting the values, we get;

A=\frac{1}{2}(8)(6)

A=\frac{1}{2}(48)

A=24

Thus, the area of the triangle is 24 square units.

<u>Volume of the pyramid:</u>

The volume of the pyramid can be determined using the formula,

V=\frac{1}{3}AH

where A is the area of the triangle and H is the height of the pyramid.

Substituting the values, we get;

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4 0
3 years ago
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sveta [45]

Answer:

x=4± 5sqrt(2)

Step-by-step explanation:

x^2 – 8x – 34 = 0

To complete the square Add 34 to each side

x^2 -8x -34+34=0+ 34

Take the coefficient of x, and divide by 2

-8/2 =-4

Then square it and add it to each side

(-4)^2 =16

x^2 – 8x +16 = 34+16

x^2 – 8x +16 = 50

We replace the left side with (x + the coefficient of x/2)^2

(x -4)^2=50

Take the square root of each side

sqrt((x -4)^2)=±sqrt(50)

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x-4 = ±sqrt(25)*sqrt(2)

x-4 = ±5sqrt(2)

Add 4 to each side

x=4± 5sqrt(2)

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3 years ago
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Find angle prq<br>please solve this​
Mnenie [13.5K]

Answer:

∠ PRQ = 55°

Step-by-step explanation:

The angle subtended at the centre by an arc is twice the angle subtended at the circumference by the same arc, thus

∠ PQR = 0.5 × 110° = 55°

6 0
3 years ago
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