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siniylev [52]
3 years ago
7

Can someone explain this.

Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

9/4 yds fabric per 1 ft of ribbon

Step-by-step explanation:

3/4 yd fabric is required for every 2/3 ft of ribbon.  Let's put this info into an equation of ratios to figure out the number of yards of fabric required for every ONE ft of ribbon:

  3/4 yd fabric        2/3 ft ribbon

----------------------- = ---------------------

            x                    1 ft ribbon

Use cross mult. to solve this.  We obtain 3/4 = (2/3)x.

Mult. both sides by (3/2) yields (3/2)(3/4) = (3/2)(2/3)x = x.

This comes out to 9/4 yds fabric per 1 ft of ribbon.

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Cyrus needs to order 3 full pizzas to feed his 11 friends .

Step-by-step explanation:

The number of friends invited  = 11

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⇒  11 friends eat  = 11 \times \frac{1}{4}  = 2.75

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Find the volume of a cylinder with base diameter 140cm and height 10cm. (22/7)
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Step-by-step explanation:

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the volume of a cylinder is ground area × height.

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Answer:

THE FUNCTION IS ALWAYS INCREASING.

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Step-by-step explanation:

See attachment for the missing graph.

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