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Debora [2.8K]
2 years ago
15

Help please, I give 20 score! Find the volume

Mathematics
1 answer:
USPshnik [31]2 years ago
6 0

Answer:

381 in³

Step-by-step explanation:

Triangular prism: (5*3)/2 * 6 = 45

Rectangle tank: 3 * 7 * 16 = 336

45+336=381

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A company makes candles in the shape of a right cone. The lateral surface of each candle is covered with
julia-pushkina [17]

Answer:

The amount of paper needed = 363.3 in²

Total amount of paper and plastic needed = 564.3 in

Step-by-step explanation:

As the diagram isn't given.

Consider a right cone shown in the ATTACHMENT.

where

r = 8 in

h = 12 in

First find the value of hypotenuse s by using Pythagoras theorem

<h3>Find Lateral Area:</h3>

The amount of paper needed to cover the candle is lateral area, which is given by:

L=\pi\cdot{r}\cdot{s}\\L =\pi\cdot8\cdot14.422\\L=363.3in^2\\

<h3>Find Surface Area:</h3>

Total amount of paper and plastic is the surface area:

S=L+\pi{r}^2\\S=363.3+\pi(8)^2\\S=564.26in^2

S=564.3in^2

7 0
3 years ago
Maya's history test had 40 questions. She answered 95% of the items correctly. How many questions did Maya answer correctly?
ankoles [38]

Maya got 38 of them right

5 0
2 years ago
Read 2 more answers
A jar of salsa costs $0.95. Neha bought 9 jars of salsa. How much did Neha spend in all? <br><br> $
olga2289 [7]

Answer:

$8.55

Step-by-step explanation:

$0.95 x 9 jars = $8.55

For every jar Neha buys, she spends $0.95, and buying 9 jars in total, she pays $8.55 in total.

5 0
3 years ago
Read 2 more answers
Can anyone help me please
Annette [7]

Answer: i dont know


Step-by-step explanation:


4 0
3 years ago
Mary invests £120000 in a savings account.the account pays 1.5% compound interest per year work out the value of her investment
iris [78.8K]

Answer:

120,027£

Step-by-step explanation:

A=P(1+r/100)^n

120,000(1+1.5/100)^2

=120,027£

hope it helps

5 0
3 years ago
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