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3 years ago

If 5 cans of dog food are 7.75'what is the cost of 20cans

Mathematics

2 answers:

Ronch [10]3 years ago

6 0

5•x=20
5•4=20
7.75•4=31

20 cans costs $31

Levart [38]3 years ago

3 0

So if 5 cans is 7.75, and there are 4 sets of 5 cans in 20, we can just multiply 7.75 by 4, to get the total cost.

7.75 * 4 = 30

The cost of 20 cans is $30.

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General formula of the circle

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3 years ago

A recipe requires 5/6 of a cup of sugar. If mrs.Marina is going to make one half of the recipe, how much sugar does she need

NemiM [27]

Answer:

$Half\ of\ the\ recipe\ requires\ \frac{5}{12}\ of\ a\ cup\ of\ sugar.$

Step-by-step explanation:

As given

$A\ recipe\ requires\ \frac{5}{6}\ of\ a\ cup\ of\ sugar.$

i.e

$\frac{5}{6}\ cup\ of\ sugar = 1\ recipe$

As the mrs.Marina is going to make one half of the recipe .

$Thus\ multiply\ above\ by\ \frac{1}{2}.$

We get

$\frac{5\times 1}{6\times 2}\ cup\ of\ sugar = \frac{1}{2}\ recipe$

solving the above

$\frac{5}{12}\ cup\ of\ sugar = \frac{1}{2}\ recipe$

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3 years ago

Help! This is due today and I'm stuck on this problem.

Varvara68 [4.7K]

Answer:

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Step-by-step explanation:

find the length of each side:

you're only given h = 9 m

the formula for h is $h=\frac{\sqrt{3} }{2} *a$ , where a is a side length of the hexagon

plug h in:

$9=\frac{\sqrt{3}}{2}*a\\\\a=9*\frac{2}{\sqrt{3}}\\\\$

a ≈ 10.392 m

now find the area of a triangle:

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multiply that by 6 and you get 280.584 ≈ 280.6 $m^2$

you can also use the regular hexagon area formula instead of finding the individual area and multiplying by 6: $\frac{3\sqrt{3} }{2} *a^2$

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3 years ago

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sladkih [1.3K]

Answer:

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Step-by-step explanation:

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Answer: the answer is 100

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