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3 years ago

Find the surface area of the figure below. Round to the nearest tenth if necessary.

Mathematics

1 answer:

Contact [7]3 years ago

6 0

Answer:

173.4 cm^2

Step-by-step explanation:

Surface area of the cone=pi*r*l+pi*r^2=pi*(4)*(9.8+4)=173.4 cm^2

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Angle 1 is supplementary to angle 2

Pepsi [2]

9514 1404 393

Answer:

congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent.

Here, angles 1 and 3 are both supplementary to angle 2, so ...

angle 1 and angle 3 are congruent

7 0

3 years ago

Corey spent 20% of his savings on a printer at Louie's ElectronisHow much did Corey have in his savings account before he bought

Crank

(printer cost) = 0.20 * (savings)
(printer cost)/0.20 = (savings)

savings = 5*(printer cost)

Whatever the cost of the printer was (information not supplied here), Corey's savings was 5 times that amount.

5 0

3 years ago

Help me solve this pleaseeee

MaRussiya [10]

Answer:

f(n) = 6n + 12

Step-by-step explanation:

There is a common difference in consecutive number of seats, that is

42 - 36 = 36 - 30 = 30 - 24 = 24 - 18 = 6

This indicates the sequence is arithmetic with nth term

$a_{n}$ = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 18 and d = 6 , then

f(n) = 18 + 6(n - 1) = 18 + 6n - 6 = 6n + 12

5 0

3 years ago

Ok, now i need help from 1-5, 20 points

ratelena [41]

1 = 8

2=3+8

3=12

4=9

8 that's it bra

5 0

4 years ago

Please help with this & show your working out to get brainliest. And please don’t trick me.

timurjin [86]

The lowest is the square root of 9 which is 3. After that is 3.15, 13/4 (3.25), 3 1/2 (3.50). My explanation would be: first I found out the square root of 9. Then divided 13 by 4.

7 0

3 years ago

Find the surface area of the figure below. Round to the nearest tenth if necessary.​

Find the surface area of the figure below. Round to the nearest tenth if necessary.