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Deffense [45]
3 years ago
10

Lucas had 2.3 pounds of grapes left over from his party. The class ate 1.9 pounds of the grapes. How many pounds of grapes did L

ucas buy?
Mathematics
1 answer:
inysia [295]3 years ago
8 0
4.2 is the answer. Hope this answered your question

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This is about the cone formula. If you don't know it, please don't answer. If you do, PLEASE ANSWER.
lions [1.4K]

9514 1404 393

Answer:

  (b)  10.5 in

Step-by-step explanation:

The formula for the volume of a cone is ...

  V = 1/3πr²h . . . . . . for radius r and height h

Then the height is ...

  h = 3V/(πr²)

Your cone has a volume V = 199 in³ and radius r = 4.25 in, so the height is ...

  h = 3(199 in³)/(π(4.25 in)²) ≈ 10.52 in

The height of the cone is about 10.5 inches.

6 0
3 years ago
Find the product (7 lbs 12 oz) × 3
ohaa [14]
I dont understand other than multiplying that. 23.25 lbs 
7 0
3 years ago
Read 2 more answers
Multiply the following polynomial and write the resulting polynomial in descending order. (3x-8)(2x^2+4x-9)
Step2247 [10]
(3x-8)(2x^2+4x-9)=6x^3+12x^2-27x-16x^2-32x+72=6x^3-4x^2-59x+72

Value of the coefficient of the x^3 term is \boxed{6}

Value of the coefficient of the x^2 term is \boxed{-4}

Value of the coefficient of the x term is \boxed{-59}

The value of the constant is \boxed{72}

:)
7 0
3 years ago
A sequence U1, U2,U3...... is defined by the relation Un +1 = 2Un +5. if U1 =2, find U1​
Harlamova29_29 [7]

Correct question:

a sequence U1, U2,U3...... is defined by the relation U_{n +1} = 2U_n +5. if U1 =2, find U2​ and U3

Answer:

U2 = 9

U3 = 23

Step-by-step explanation:

Given sequence;

U_{n +1} = 2U_n +5

U1 = 2

U2 = ?

U_{n +1} = 2U_n +5\\\\U_2 = 2(U_1) + 5\\\\U_2 = 2(2) + 5\\\\U_2 = 4 + 5\\\\U_2 = 9

Solving for U3;

U_3 = 2(U_2) + 5\\\\U_3 = 2(9) + 5\\\\U_3 = 18 + 5\\\\U_3 = 23

3 0
3 years ago
Which represents the solution(s) of the equation x2 = 289?
sergeinik [125]

Answer:

B) x = +/- 17

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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