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3 years ago

Tara spend of an hour decorating 9 sugar cookies. How long did it take her to decorate 1 sugar cookie?

Mathematics

2 answers:

belka [17]3 years ago

6 0

Answer:

6.6

Step-by-step explanation:

1 hour equals 60 minutes. 60 minutes decided by 9 cookies is 6.6 minutes per cookie

Otrada [13]3 years ago

3 0

6.6 cookies A minute. If you do 60 divided by 9 you get 6.6

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These cones are similar. Find the volume of the smaller cone. Round to the nearest tenth.

sattari [20]

Answer:

Step-by-step explanation:

If the two cone are similar then the heights are the same

let us find the height of the bigger cone

$volume of cone= \frac{1}{3} \pi r^2h$

For the bigger cone

r= 3cm

v= 66cm^3

$66=\frac{1}{3}*3.142*3^2*h\\ 66=\frac{28.278}{3} *h\\h*28.278=198\\h=\frac{198}{28.278} =7cm$

For the smaller cone

r=2cm

v=?

h=7cm

$v=\frac{1}{3}*3.142*2^2*7\\\v=\frac{87.976}{3} \\\\\v=29.30cm^3$

7 0

3 years ago

I NEED HELP ASAP

drek231 [11]

Answer:

80 / 5 = 40 / 5 + 40 / 5 = 10 + 6 = 16

Step-by-step explanation:

80 / 5 = 16

__ / 5 + __ / 5

You can do 80 / 2 to fill in those two blanks because the answer needs to equal the same as 80 / 5

80 / 2 = 40

40 / 5 + 40 / 5

8 + 8 = 16

the third blank needs to also equal 16. So you can do 16 - 6 to know what fills in the blank.

16-6

10+6 = 16

The last blank must equal the same as all the other equations so 16 would fill it.

If you need further help, don't be afraid to reach out with any questions. I hope this helps!

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Which formula can be used to find the math term of a geometric sequence where the first term is 8 and the common ratio is -3?

kipiarov [429]

$a_n = 8(-3)^{n-1}$

That would be the formula you would use.

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3 years ago

Use the given graph to determine the limit, if it exists.

ryzh [129]

Answer:

Maybe -3

Step-by-step explanation:

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This is decimals whats the answer Which numbers will round to 19 when they are rounded to the nearest whole number? Select each

cestrela7 [59]

18.82, 19.33, and 19.46 should be your answer

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3 years ago

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