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VladimirAG [237]
2 years ago
12

Isabella uses the equation V = one-third (12) squared (9) pi to find the volume of the cone below.

Mathematics
1 answer:
lyudmila [28]2 years ago
6 0

Isabella’s error is  Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

<h3>What is a cone?</h3>

It is defined as a three-dimensional shape in which the base is a circular shape and the diameter of the circle decreases as we move from the circular base to the vertex.

\rm  V=\pi r^2\dfrac{h}{3}

Isabella equation:

\rm V = \dfrac{1}{3}(12)^2(9)\pi

The area of the base = 12π square cm

\rm V = \dfrac{12\pi (9 )}{3}

Thus, Isabella’s error is  Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

Learn more about the cone here:

brainly.com/question/16394302

#SPJ1

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garik1379 [7]

Answer:

4. D

5. B

6. B

Step-by-step explanation:

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In answer choice A the x value 3 and -3 repeats therefore is is not a function

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6 0
3 years ago
A drink is made by mixing pineapple juice , orange juice and line juice in the ratio 2:7:3 Sally makes 600ml of the drink
Tresset [83]
Sally has 600 ml of drink
Karen has 600 ml of lime juice

When it is mixed at a ratio of 2:7:3 . . .pineapple:orange:lime (respectively) . . this means . . . there are a total of 2 + 7 + 3 parts = 12 parts . . and each part individually is as follows:

pineapple = 2/12
orange = 7/12
lime = 3/12

Sally has 12 parts = 600 ml of drink
 . . pineapple = 2/12*600ml = 100 ml pineapple
 . . orange = 7/12*600ml = 350 ml orange
 . . lime = 3/12*600ml = 150 ml lime

We know Karen has 600 ml of lime juice and if that is 3/12 of the total, then 600*12/3 = the total drink = 2400 ml of drink

Karen has 12 parts = 2400 ml of drink
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 . . orange = 7/12*2400ml = 1400 ml orange
 . . lime = 3/12*2400ml = 150 ml lime


Thus . . . (for Karen) . . .
<u><em>A = 2400 ml of drink</em></u>
<u><em>B = 400 ml of orange juice</em></u>
<u><em>C = 1400 ml of pineapple juice</em></u>




5 0
3 years ago
Simplify 10 - [14 = (3 + 4) · 2]+3
lora16 [44]

Answer:

There is a typo near the equal sign.

There can be two different answers if we think that = sign as + or -.

First way: Making = as +

=> 10 - [14 + (3+4) x 2] +3

=> 10 - [14 + 7 x 2] + 3

=> 10 - [14 + 14] + 3

=> 10 - 28 + 3

=> 10 + 3 - 28

=> 13 - 28

=> -15

=> So, -15 is the answer if we consider "=" sign as "+" sign.

Second way: Making = as -

=> 10 - [14 - (3+4) x 2] + 3

=> 10 - [14 - 7 x 2] + 3

=> 10 - [14 - 14] + 3

=> 10 - 0 + 3

=> 10 + 3

=> 13

=> So, 13 is the answer if we consider "=" sign as "-" sign.

5 0
3 years ago
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