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kari74 [83]
2 years ago
8

Hello I really need help ty and explain thanks

Mathematics
1 answer:
Luda [366]2 years ago
5 0

Answer:

Ig it's 734. I did l×w for the curve and 1/2×4×4.

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I need help pls is only 1 question
Yanka [14]

Answer:

T = 1300

Step-by-step explanation:

Given

Radius, r = 9\ in

Height, h = 14\ in

<em>See attachment</em>

<em></em>

Required

Determine the total surface area, T

T is calculated using:

T = 2\pi r(r + h)

Substitute values for r and h

T = 2\pi  * 9(9 + 14)

T = 2\pi  * 9(23)

Remove bracket

T = 2\pi  * 9*23

T = 2\pi  * 207

Take \pi = 3.14

So, we have:

T = 2 * 3.14 * 207

T = 1299.96

T = 1300 --- approximated.

<em>Hence, the surface area is 1300 square inch</em>

4 0
3 years ago
What function was used to make that pattern​
Semenov [28]

Answer:

B

Step-by-step explanation:

The differences in the terms of f(x) are + 3, + 5, + 7

Since the differences are not constant the relationship is not linear

Note the differences in the differences are + 2, + 2,

The second differences are constant indicating a quadratic relationship

Note the relationship between x and f(x)

x = 1 → 1² = 1 ← require to add 5, that is 1 + 5 = 6 ← value of f(x)

x = 2 → 2²  = 4 ← require to add 5, that is 4 + 5 = 9 ← value of f(x)

x = 3 → 3² = 9 ← require to add 5, that is 9 + 5 = 14 ← value of f(x)

x = 4 → 4² = 16 ← require to add 5, that is 16 + 5 = 21 ← value of f(x)

Thus f(x) = x² + 5 → B

3 0
3 years ago
What is the square root of -1?
lora16 [44]

Answer:

i

Step-by-step explanation:

i means imaginary because whatever you try you can't get a number which squared gets a negative number.

4 0
3 years ago
A column of water 10 feet tall exerts a pressure of......... pounds per square foot at the base. A - 124.8 B - 624. C - 62.4 D -
-Dominant- [34]

Answer:

B. 624

Step-by-step explanation:

P = ρgh

P = (62.4 lb/ft³) (10 ft)

P = 624 lb/ft²

8 0
3 years ago
A circular wading pool at a park has a radius of 21 feet. Find the circumference of the pool. Use 22/7 for .
lozanna [386]
A circular wading pool at a park has a radius of 21 feet. Find the circumference of the pool. Use 22/7 <span>for .

C=2πr=2·π·21

≈131.94689ft
</span>
131.95
8 0
3 years ago
Read 2 more answers
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