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Anarel [89]
4 years ago
7

Find axis of symetry y=2x^2+4x-10

Mathematics
1 answer:
Tema [17]4 years ago
6 0
The axis of symmetry is x=-1
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a cylindrical pipe made of metal 3 m long is 3 cm if the internal radius of the pipe is 10 cm what is the volume of metal used i
cricket20 [7]

Answer:

857.766cm^3

Step-by-step explanation:

Given data

Lenght = 3m

Internal radius r = 3m

External radius R= 10m

Volume of pipe= πr^2h

Volume of metal= External - Internal

Volume= πR^2h-πr^2h

Volume= πh(R^2-r^2)

Volume= 3.142*3(10^2-3^2)

Volume= 3.142*3(100-9)

Volume= 9.426*(91)

Volume= 857.766cm^3

Hence the volume of the metal is 857.766cm^3

5 0
3 years ago
Leslie’s employer will match up to 3% of her salary in contributions to her 401(k). Her monthly salary is $3,200, and the compan
Taya2010 [7]

Answer:

$416.00

Step-by-step explanation:

Leslie's 10% and her employer's 3% total 13% of her salary:

0.13 · $3200 = $416

5 0
3 years ago
what is this area of a cylinder with a radius of 6.8 centimeters and a height of 13 centimeters? express the answer in hundredth
Oksi-84 [34.3K]

Answer:

845.97

Step-by-step explanation:

6 0
3 years ago
Find all possible values of the expression 1/y if: .125
34kurt

Answer:

The possible values for 1/y of the expression 0.125 < y < 0.25 are in the range

4 < 1/y < 8

Step-by-step explanation:

The given information are;

The range of values of y are 0.125 < y < 0.25, therefore, we have;

The boundaries of the function, y are 0.125 and 0.25

The inverse of the boundaries of the function, y are 1/0.125 = 8 and 1/0.24 = 4

Therefore;

The limits of the inverse of the function y are ;

The inequality that represents 1/y is therefore;

1/0.25 < 1/y < 1/0.125 or 4 < 1/y < 8

The possible values of 1/y for the expression 0.125 < y < 0.25 are therefore;

4 < 1/y < 8.

8 0
3 years ago
Describe methods you can use to show a proportional relationship between two variables, x and y. For each method, explain how ca
Natalka [10]
I wish i knew the answer to this question
3 0
3 years ago
Read 2 more answers
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