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timama [110]
3 years ago
14

You can do one question also​

Mathematics
1 answer:
vaieri [72.5K]3 years ago
8 0

Answer:

4/3

Step-by-step explanation:

Answer for number 6:

Sin A = √(1-cos²A)= √[1-(4/5)²]= 3/5

(note: The root covers the whole expression)

now,

Cot A= Cos A / Sin A= (4/5)/(3/5)= 4/3

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The base diameter and the height of a cone are both
WITCHER [35]

Answer:

11/ 42. *. X^ 2. * X = I/3 X A * h; if E = 1/3 A

Then the answer is EX

Step-by-step explanation:

Volume of cone= 1/3 * base area * height

= 1/3 * pi* (X/2)^2 * X

= 1/3. * 22/ 7 * X^3/4

= 22/ 21 * X^3 / 4

= 11/21 *. X^2/ 2. *. X

= 11/ 42. * X^3

= 11/ 42. *. X^ 2. * X

3 0
3 years ago
the hardware store where you work charges .80 cents including tax for a pound of nails. a customer purchases 5 3/4 pounds of nai
kkurt [141]

Answer:

$4.60

Step-by-step explanation:

The customer will pay $0.80 per pound.  They are buying 5 and 3/4 pounds of nails, so they will pay..

$0.80(5) + $0.80(3/4) for the nails...now simplify...

$4.00 + $0.60 = $4.60

7 0
3 years ago
Read 2 more answers
What is the solution to the system of linear equations graphed below? On a coordinate plane, 2 lines intersect at (negative 2.5,
Vitek1552 [10]

Answer:

D. (Negative 2 and one-half, negative 2)

Step-by-step explanation:

The intersection of the two lines is the solution to the system of linear equations. The two lines intersect at (-2.5, -2), then the solution to the system is x = -2.5 and y = -2

3 0
3 years ago
If x2 = 20, what is the value of x?
ArbitrLikvidat [17]
The correct answer is the second option: plus or minus square root of 20
Hope this helped :)
3 0
3 years ago
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Find the distance from point A (4,2) to point B (9,7).
Nataliya [291]

Answer:

11

Step-by-step explanation:

3 0
3 years ago
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