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Lady_Fox [76]
2 years ago
15

Calculate the volume Please show the steps....

Mathematics
2 answers:
Sergeu [11.5K]2 years ago
8 0

Answer:

probably

Step-by-step explanation:

v = [20.(8+6)/2].5

v = 20.7.5

v = 700cm³ (that's a 3 btw)

GaryK [48]2 years ago
5 0

Answer:

4,800

Step-by-step explanation: 6 times 5 times 8 times 20=4800 :D

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Carpet costs $21.95 per square yard and the padding to put under it costs $2.55 per square yard. Felix plans to install padding
marusya05 [52]

Answer:

$1679.175 or $1679.18

Step-by-step explanation:

split the carpet into rectangles to make it easier to look at

one rectangle is 2 yards in height and 9 yards in width (5 yards plus 4 yards)

area of a rectangle = (w)(h), so 9 x 2 = 18 yards in area.

second triangle is 4 yards in width, and 3 yards in height.

area of a rectangle = (w)(h), so 4 x 3 = 12 yards in area.

Total area = 30 yards

30(21.95)(2.55) = $1679.175 or $1679.18

3 0
3 years ago
Read 2 more answers
A party store uses 20% of a tank of helium a day and fills 80 balloons. Each balloon takes 0.5 cubic feet of helium to fill. How
Vesnalui [34]
First, multiply the number of feet it takes for one balloon by the number of balloons filled daily.
0.5 * 80 = 40

So, 40 cubic feet is 20% of one tank. Now, unless you remember how to find what 40 is 20% of, simply play around with some numbers on your calculator until you find that 200 * 0.20 = 40. I would love to explain how to find that part with an actual formula, but I don't remember how. :/ Hope this helped.
6 0
3 years ago
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You have 16 different cuts of flowers and plan to use seven of them how many different selections of the seven flowers are possi
alisha [4.7K]

We can have 11440 different selections.

<u>SOLUTION: </u>

Given, you have 16 different cuts of flowers  

And you have planned to use seven out of them.  

We have to find how many different selections of the seven flowers are possible.  Now, we have to select 7 items out of 16 available items. So we have to use combinations.

Then, 7 out of 16 combination \rightarrow^{16} \mathrm{c}_{7} \rightarrow \frac{16 !}{(16-7) ! 7 !}

\bold{\text{ Since } ^nC_r=\frac{n !}{(r !(n-r) !)}}

\begin{array}{l}{\rightarrow \frac{16 !}{9 ! \times 7 !}} \\\\ {\rightarrow \frac{16 \times 15 \times 14 \times 13 \times 12 \times 11 \times 10 \times 9 !}{9 ! \times 7 !}} \\\\ {\rightarrow \frac{16 \times 15 \times 14 \times 13 \times 12 \times 11 \times 10}{7 \times 6 \times 13 \times 12 \times 11 \times 10}} \\\\ {\rightarrow \frac{57657600}{5040}} \\\\ {\rightarrow 11440}\end{array}

Hence, we can have 11440 different selections.

6 0
3 years ago
1) Data is:<br> a) Number<br> b)Letters<br> c)symbols, sounds or pictures
Paul [167]

Answer:

c

Step-by-step explanation:

symbols, sounds or pictures

hope this help

3 0
3 years ago
If a figure is dilated by a factor of 5/6 ,the perimeter of the figure will change by a factor of
fenix001 [56]

Answer:

1,2,3,6

Step-by-step explanation:

6x1, 2x3, 3x2, 6x1

i study hard and work my hardest

6 0
2 years ago
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