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Gala2k [10]
3 years ago
14

Need help with this math question.

Mathematics
1 answer:
anastassius [24]3 years ago
8 0
<h3>Answer:</h3>

B. 1 : 26

Step-by-step explanation:

Let the volume of large cone, the volume of water and the volume of air in the cone be V,

Vw and Va.

Since the cone of water is similar to the large cone and we know its height is x3 smaller,

Vw = (1/3)^3 * V = V/27

Also, Va = V - Vw

= V - V/27 = 26/27 V

Hence, Vw : Va

1 : 26

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From April to December =9 months

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3,600×(9÷12)=2,700
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Johnny invested $1000 in savings account that yields 2% interest annually. How much will Johnny's investment be worth in 10 year
Ann [662]
Calculate the interest in a year
Multiply the annual percentage of interest by the investment to find the interest.
interest in a year = 2% × 1,000
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Hunter-Best [27]

at first we write each one as a sequence

and find its equation

the first table

-19, -11, -3, 5

8x-19

the third table

15,12,9,6

-3x+15

the second table

-1. 5,1.5,3,4.5

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8 0
3 years ago
An error has been made in subtracting the two polynomials shown in the work below the problem is (6x^2-4x-5)-(3x^2-7x=2)
MissTica

Answer/Step-by-step explanation:

Let's work out the subtraction of the polynomial to find out where the error is and the correct result we should have.

6x² - 4x - 5

- 3x² - 7x + 2

= [6x² - 3x²] [-4x -(-7x)] [-5 -(+2)]

= 3x² + 3x - 7

The error that was made in the subtraction given in the question was that the negative signs before the terms, 7x and 5 were ignored while subtracting.

The sign is very important, it defines the value of the term.

We can choose to solve the problem in another way shown below:

(6x² - 4x - 5) - (3x² - 7x + 2)

Distributive the negative sign in the second polynomial

6x² - 4x - 5 - 3x² + 7x - 2

Combine like terms

6x² - 3x² - 4x + 7x - 5 - 2

3x² + 3x - 7

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3 years ago
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VladimirAG [237]
X can you please give me braknlistest yes yes thank yoy
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