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Sidana [21]
3 years ago
11

Solve for x. x+3.2−5.4=4.8

Mathematics
1 answer:
andrew-mc [135]3 years ago
7 0

Answer:

7=x

Step-by-step explanation:

4.8-3.2+5.4=x

1.6+5.4=x

7=x

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Why there is 60 minutes in a hour ?
VARVARA [1.3K]

Step-by-step explanation:

THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy. They derived their number system from the Sumerians who were using it as early as 3500 BC.

3 0
3 years ago
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A cone is cut into a cube as shown below. If the cone has a diameter of
Butoxors [25]

Answer:

184.43in².

Step-by-step explanation:

Total surface area of the solid = volume of the cube - the volume of the cone

For the CUBE;

Volume of the cube = L³ where L is the length of one side of the cube.

Since a cone of diameter of 6in is cut into a cube, then the length of the cube will be 6in.

Volume of the cube = 6³ = 216in³

For the CONE;

Volume of the cone = 1/3 πr²h

r is the radius of the cone = diameter/2

r = 6/2 = 3in

slant height l = 4.5in

the height h of the cone will be derived using the Pythagoras theorem.

l² = h²+r²

4.5² = h²+3²

h² = 4.5²-3²

h² = 11.25

h=√11.25

h = 3.35in

Volume of the cone = 1/3 × π × 3²× 3.35

= 31.57in³

Total surface area of the solid = 216in³-31.57in³

= 184.43in²

3 0
3 years ago
Find the difference -9.6-7.3
Marat540 [252]

Answer:

-9.6-7.3 = -16.9

Step-by-step explanation:

7 0
3 years ago
Slove for the variable<br> 2a-5=5a+23
Lyrx [107]

Answer:

a = 9 \frac{1}{3}

Step-by-step explanation:

2a - 5 = 5a + 23 \\ 2a - 5a = 23 + 5 \\  - 3a = 28 \\  \frac{ - 3a}{ - 3}  =  \frac{28}{ - 3}  \\ a = 9 \frac{1}{3}

3 0
3 years ago
Can someone plss help me with this!!!
Maru [420]
If you divide the wages by the number of hours you always get $56.25 so he gets $56.25 per hour.
5 0
3 years ago
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