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Kay [80]
3 years ago
14

Addison made fancy orange costume decorations for each of the 9 dancers in her year-end dance performance. She cut 7 1/5 yards o

f ribbon into equal pieces to make the decorations. How long was each piece of ribbon?
Mathematics
1 answer:
g100num [7]3 years ago
6 0

Answer:

0.8 yards or 28.8 inches

Step-by-step explanation:

I always turn fractions into decimals because it is easier to figure it out and simpler.

So 1/5 would be 2/10 because you multiply the whole thing by 2 to make the denominator 10 so you can turn it into a decimal.

So the decimal is 0.2

You would divide 7.2 by 9 to get 0.8 yards which is 28.8 inches.

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ElenaW [278]

Answer:

20

Step-by-step explanation:

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2 years ago
I need help with 5-6 PLEASEEEE!! Also please excuse the answers cause I know it’s wrong
sergey [27]

Step-by-step explanation:

5.

angle STQ is the supplementary angle (together they are 180° below line MQ) to 2x + 8.

above ST we have a group of 3 angles that combine to 180° :

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71 - x

so, to get x first :

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x = 11

so, the angle MTS =

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6.

therefore, the angle STQ is

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7 0
2 years ago
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IgorLugansk [536]

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2 years ago
How would I go about solving this problem???
schepotkina [342]
So.. if you take a peek at the picture below

the trunk is really just a half-cylinder on top of a square, with a depth of 2 meters

what's the volume?   well, easy enough, take the volume of the cylinder, then half it
take the volume of the rectangular prism, and then add them both

\bf \textit{volume of a cylinder}\\\\&#10;&#10;\begin{array}{llll}&#10;C=\pi r^2 h\\\\&#10;\textit{half that}\\\\&#10;\cfrac{\pi r^2 h}{2}&#10;\end{array}\qquad &#10;\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;-------\\&#10;r=\frac{1}{2}\\&#10;h=2&#10;\end{cases}\implies \cfrac{C}{2}=\cfrac{\pi \left(  \frac{1}{2}\right)^2 2}{2}\\\\&#10;-----------------------------\\\\&#10;\textit{volume of a square}\\\\&#10;V=lwh\qquad &#10;\begin{cases}&#10;l=length\\&#10;w=width\\&#10;h=height&#10;----------\\&#10;l=1\\&#10;w=1\\&#10;h=2&#10;\end{cases}\implies V=2



now.. for the surface area... \bf \textit{surface area of a cylinder}\\\\&#10;\begin{array}{llll}&#10;S=2\pi r(h+r)\\\\&#10;\textit{half that}\\\\&#10;\cfrac{2\pi r(h+r)}{2}&#10;\end{array}\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;-------\\&#10;r=\frac{1}{2}\\&#10;h=2&#10;\end{cases}

now.. for the surface area of the prism... well

is really just 6 rectangles stacked up to each other at the edges

so... get the area of the lateral rectangles, and the one at the bottom, skip the rectangle atop, because is the one overlapping the cylinder, and is not outside, and thus is not surface area then

for the lateral ones, you have a front of 1x1, a back of 1x1 and a left of 1x2 and a right of 1x2, and then the one at the bottom, which is a 1x2

then add both surface areas, and that's the surface area of the trunk

5 0
3 years ago
Help pls help plsssssss
densk [106]

Answer:

bro its 10

Step-by-step explanation:

5 kilometers in 30mins and if he stayed at the same rate for an hour he would have ran 10 kilometers cause 5 x 2 = 10

8 0
2 years ago
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