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3 years ago

NEED HELP PLEASE !!!

Mathematics

1 answer:

Nadusha1986 [10]3 years ago

4 0

Answer: 7/64 inch is bigger by 1/64 inch difference

Step-by-step explanation:

STEP ONE: Convert the denominators into Least Common Multiple (LCM)

LCM of 32 and 64:

First 3 multiples of 32: 32, 64, 96

First 3 multiples of 64: 64, 128, 192

Since 64 overlaps in both terms, 64 is the LCM of 32 and 64.

STEP TWO: Convert the fractions

3/32 = (3 × 2) / (32 × 2) = 6/64

7/64 = 7/64

STEP THREE: Compare the numerator to define the size of fractions

6 < 7, therefore, 6/64 < 7/64

7/64 - 6/64 = 1/64 inch

Hope this helps!! :)

Please let me know if you have any questions

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Kamila [148]

Answer:

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3 years ago

The combined height of one oak tree and one pine tree is 21 meters. The height of 4 oak trees stacked on top of each other is 24

olasank [31]

Answer:

Height of an oak tree= 9 meters

Height of a pine tree = 12 meters

Step-by-step explanation:

Given:

The combined height of 1 oak tree and 1 pine tree = 21 meters

Height of 4 oak trees = 24 meters more than 1 pine tree

To find the height of 1 pine tree and height of one oak tree.

Solution:

Let the height of one oak tree be = $x$ meters.

Let height of one pine tree = $y$ meters.

Combined height can be given as :

$x+y=21$ -------------[1]

Height of 4 oak trees = 24 meters more than 1 pine tree

The above statement can be given as :

$4x=24+y$ ------------[2]

Rearranging equation [2] by subtracting both sides by $y$ .

$4x-y=24+y-y$

$4x-y=24$ -------------[2]

Adding rearranged equation [2] to [1].

$x+y=21$

$4x-y=24$

+--------------------

$5x\ = 45$

Dividing both sides by 5.

$\frac{5x}{5}=\frac{45}{5}$

∴ $x=9$

Plugging in $x=9$ in equation [1]

$9+y=21$

Subtracting both sides by 9.

$9-9+y=21-9\\\therefore y=12$

Height of an oak tree= 9 meters

Height of a pine tree = 12 meters

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3 years ago

Which expression can be used to find the surface area of the following square pyramid? I DONT KNOW HOW TO PUT A PHOTO ON PC!!! b

chubhunter [2.5K]

Answer:

40 or 16+6+6+6+6

Step-by-step explanation:

To find the surface area of a 3d figure, we can imagine all of its faces laid down on a flat plane. In this case, we would have a square, and four congruent triangles. Now all we have to do is find the areas of each shape and add them up.

4 is the base of the pyramid, so it's also the square's side length. Since a square has four equal sides, our square's length and width are both 4.

4*4 = 16

For every triangle we have, the base is 4 and the height is 3. The area of a triangle can be found using the formula A=(bh)/2. We plug in the values:

A = (4*3)/2

A = (12)/2

A = 6

Since we have 4 triangles, the surface area is:

16+6+6+6+6 = 40

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4 years ago

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