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makkiz [27]
3 years ago
14

Determine the mixed number that correctly adds 3/5, 5/8, and 15/32

Mathematics
1 answer:
Vitek1552 [10]3 years ago
7 0

Answer:

The answer of the addition of 3/5, 5/8 and 15/32 is 1/2

Step-by-step explanation:

3/5 + 5/8 + 15/32

We find the LCm of the denominators, that is, 5, 8 and 32

LCM = 5*32 = 160

[(160/5 + 3) + (160/8 + 5) + (160/32 + 15)]/160

[(32+3) + (20+5) + (5+15)]/160

[35+25+20]/160

80/160 = 1/2

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A sign says that the price marked on all music equipment is 30% off the original price. You buy an electric guitar for the sale
Free_Kalibri [48]

Answer:

The original price is $409.5

Step-by-step explanation:

the 2 numbers that you have in this equation are 315 and 30% (or .30)

You want to multiply 315 by .3 to get an answer of 94.5

That's the amount of money that was marked down on the guitar

So you want to add 94.5 to 315 which gives you 409.5

so $409.5 is your answer

5 0
3 years ago
a cylinder has a base radius of 2 inches and a height of 9 inches what is the volume in cubic in to the nearest tenth place.
GuDViN [60]

Answer:

113.1 cubic inches

Step-by-step explanation:

The volume of a cylinder is given by the formula:

V=\pi r^2 h

Where

V is the volume

r is the radius

h is the height

Given, h = 9 and r = 2, we substitute and find the volume:

V=\pi r^2 h\\V=\pi (2)^2 (9)\\V=36\pi\\V=113.097

We need answer to nearest tenth, that is 1 decimal place, so we round of the answer as:

113.1 cubic inches

3 0
3 years ago
Which expression is equivalent to (7x+3)2
guapka [62]

Answer:

The answer is C. 49x2 + 42x + 9

Step-by-step explanation:

Use the sum-product pattern

49

5 0
3 years ago
Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzz<br> aaaaaaaaaaaaaaaaaa
spin [16.1K]

Answer:

x<2

Step-by-step explanation:

-1 + 6 (-1 - 3x) > -39 - 2x

-1 - 6 - 18x > -39 - 2x                  <--- multiply the 6 by 3

-7 - 18x > -39 - 2x

-7 - 18x + 2x > -39                      <--- add 2x to the other side

-7 - 16x > -39

-16x > -39 + 7                             <--- add 7 to the other side

-16x > -32

x < -32/-16

x < 2

6 0
3 years ago
Read 2 more answers
Determine the volume of a sphere, to
photoshop1234 [79]

Volume of Sphere

The volume of sphere is 904.32 cm³

Step-by-step explanation:

Sphere is a geometrical object in three dimensional space (like the surface of a ball). Every point on its surface of a sphere equidistant from its center.

Circle is a two dimensional figure where as sphere is a three dimensional figure.

The volume of the sphere is defined as 4/3\pi r^{3} \\

where r is radius of the sphere

V = 4/3\pi r^{3} \\

Given radius r = 6 cm

                     \pi = 3.14\\

V = (4/3) × 3.14 × 6³

  = (4/3) × 3.14 × 216

  = 904.32 cm³

Hence the Volume of the sphere is 904.32 cm³

6 0
3 years ago
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