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Paraphin [41]
3 years ago
6

Please help extra points and mark brainlist

Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0

Answer:

the third one

Step-by-step explanation:

20.342 --> 0.3

0.3 × 100 = 30

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The figure is made up of a cylinder and a cone. What is the volume of the composite figure? Use 3.14 for Pi. Round to the neares
Delvig [45]

Answer:

The volume of figure is 310.86 cm³

Step-by-step explanation:

First, you have to calculate the volume of cone and cylinder seperately by applying the formulas :

Cone,

v =  \frac{1}{3}  \times \pi \times  {r}^{2}  \times h

let \: \pi = 3.14 \\ let \: r = 3 \\ let \: h = 9

v =  \frac{1}{3}  \times 3.14 \times  {3}^{2}  \times 9

v = 84.78 \:  {cm}^{3}

Cylinder,

v = \pi \times  {r}^{2}  \times h

let \: \pi = 3.14 \\ let \: r = 3 \\ let \: h = 8

v = 3.14 \times  {3}^{2}  \times 8

v = 226.08 \:  {cm}^{3}

Next, you have to add up both volumes as the figure are made from cone and cylinder :

v = 84.78 + 226.08

v = 310.86  \: {cm}^{3}

3 0
3 years ago
Whats the answer for substitution x=9 y=3x-1
Blizzard [7]

Answer:

x=9, y=26. (9, 26).

Step-by-step explanation:

x=9

y=3x-1

--------

y=3(9)-1=27-1=26

8 0
3 years ago
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Can you pleases help me with 13 and 14 thank you
Anit [1.1K]
13. (24, 8); because the rule is: y=x÷3
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3 years ago
Please help with (4.)
tia_tia [17]
This question is pretty confusing in the way that i'm not entirely sure what it wants the answer to be, but i'll do my best.

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it looks really confusing but i'm hoping it's lining up with what you're learning and not completely ?????

i created the restrictions with the inequalities based on the given information of what happens when a balance exceeds 1000, is less than 1000, is less than 50, and is 0.

i used the remainder of the given information in the problem to get the equations -- the interest rate for b > 1000 is 0.8%, which is .008, b </= 1000 is .012, and so on. i hope this wasn't too terribly confusing, and let me know if you have any questions about how i came up with the equations!!
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3 years ago
In GHK, point M is the midpoint of GH. Which term describes KM?
melomori [17]
"Perpendicular bisector" is the term among the following choices given in the question that <span>describes KM. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that you were looking for and the answer has actually come to your help.</span>
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3 years ago
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