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nata0808 [166]
3 years ago
15

What solid 3D object is produced by rotating the rectangle about line m?

Mathematics
2 answers:
Sonbull [250]3 years ago
6 0

Answer:

b) a cylinder with diameter of 4

Step-by-step explanation:

the square is being rotated about the line m, the sides of the rectangle being cut by the line, have a total length of 4which would be the diameter of the cylinder

erik [133]3 years ago
5 0

Answer: A cylinder with diameter 8 units

Step-by-step explanation:

Khan Academy.

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Sonja has $1,800 to invest, And she has a choice between two savings accounts. Saving account a offers an interest rate of 3.6%
son4ous [18]

Answer:

$46.83

Step-by-step explanation:

The standard formula for compound interest is given as;

A = P(1+r/n)^(nt) .....1

Where;

A = final amount/value

P = initial amount/value (principal)

r = rate yearly

n = number of times compounded yearly.

t = time of investment in years

For saving account A;

P = $1,800

t = 2 years

n = 12 (monthly

r = 3.6% = 0.036

Substituting the values;

A = 1800(1+0.036/12)^(12×2)

A1 = $1934.17

for saving account B;

P = $1,800

t = 2 years

n = 12 (monthly

r = 4.8% = 0.048

Substituting the values;

A = 1800(1+0.048/12)^(12×2)

A2 = $1981.00

The difference will then be

d = A2 - A1

d = $1981.00 - $1934.17

d = $46.83

Therefore, she would have $46.83 more

4 0
3 years ago
What is Cos(180) ? I started this in precal and need help with it still
scoundrel [369]

Answer:

The value of cos 180 is equal to -1

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Please can someone help me with solve 7+x/3=2x-5
OverLord2011 [107]

Answer:

32

Step-by-step explanation:

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5 0
3 years ago
HELP PLEASE!!!! I NEED HELP ASAP Which statement best describes the expression 3 + y ÷ 2? The quotient of 2 and the sum of 3 and
Veronika [31]

Answer:

I believe it is D

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HELP PLEASE!!! Find the number(s) with the following property: two times the sum of 18 and a number is 8 greater than nine times
vovangra [49]

Answer:

number is 4

Step-by-step explanation:

let 'n' = the number

2(n + 18) = 9n + 8

2n + 36 = 9n + 8

36 = 7n + 8

28 = 7n

n = 4

4 0
3 years ago
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