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kirill [66]
3 years ago
8

Solve for a: 3((1/3)a + 3) = 27

Mathematics
2 answers:
ozzi3 years ago
4 0

Answer:

I think its 3 but I'm not a 100% sure.

ki77a [65]3 years ago
4 0

Answer:

a = 24

Step-by-step explanation:

first distribute the 3 to the 1/3a and the 3 in the parentheses.

3 times 1/3 a equals a because 1/3 times 3 equals 3/3 or 1. so 1a equals a.

so now the equation reads (a + 3) =27

now subtract 3 from both sides of the equation and you are left with a = 24

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What is the depth and volume of this rectangular prism in cubes and cubic inches?
Inessa05 [86]
Height = 3 cubes
Width = 5 cubes
Depth = 4 cubes

Number of Cubes = 3*4*5 = 60

Each cube is .2 inches on each side

So, it's volume = 1 * .6 * .8 = .48 cubic inches

Double - Check
Each cube is .2*.2*.2 = <span> <span> <span> 0.008 </span> </span> </span> cubic inches
There are 60 cubes so the volume =
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6 0
3 years ago
To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical
denis23 [38]

Answer:

A)196J

B)-208J

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Step-by-step explanation:

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So, The Mat gets compressed by : 10cm - 4 cm = 6 cm=0.06 m

a)

Using Conservations of energy

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b)

Work done  by the mat do to stop the fall of the cylinder =-mg(h+0.06)=-20 \times 9.8(1+0.06)=-208 J

C)

Work done=\text{Average force} \times \text{ Compression of mat}

208=F \times 0.06

F=3467J

8 0
3 years ago
Elijah has some dimes and some quarters. He has a minimum of 18 coins worth at most $3.60 combined. If Elijah has 12 dimes, dete
marysya [2.9K]

Answer:

6

Step-by-step explanation:

So, 12 dimes is 120 cents. 120 cents is $1.20. You said he had 18 coins, and 12 dimes takes away 12 coins. So the only number left is 6. (I think)

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