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natima [27]
2 years ago
11

Which expression will give a product of 14/9

Mathematics
1 answer:
Mashutka [201]2 years ago
3 0

Step-by-step explanation:

I don't know it I am sorry

HAVE A NICE DAY

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Fiesta28 [93]
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7 0
2 years ago
What is the reciprocal of 13/14
Vesna [10]

Answer:

14/13

Step-by-step explanation:

the reciprocal is the fraction upside down.

5 0
2 years ago
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The area of the regular pentagon is 6.9 cm2. What is the perimeter? 2 cm 5 cm 10 cm 20 cm
disa [49]

Given

Area of the regular pentagon is 6.9 cm².

Find out the perimeter of a regular pentagon

To proof

Formula

Area of regular pentagon is

= \frac{1}{4}\sqrt{5(5+2\sqrt{5})}\ a^{2}

As given in the question

area of regular pentagon = 6.9 cm²

now equating the area value with the area formula.

6.9 =\frac{1}{4}\sqrt{5(5+2\sqrt{5})} a^{2}

Now put

√5 = 2.24 ( approx)

put in the above equation

\frac{6.9\times 4}{\sqrt{5(5+2\times2.24)}}=a^{2}\\\frac{27.6}{\sqrt{47.4}}=a^{2}\\\frac{27.6}{6.88}=a^{2}

thus

a² = 4.01

a = √ 4.01

a = 2.0 cm ( approx)

As perimeter  represented the sum of all sides.

i.e regular pentagon have five sides of equal length.

Thus

perimeter of the regular pentagon = 5 × side length

                                                         = 5 ×2.00

therefore the perimeter of the regular pentagon = 10cm

option c is correct

Hence proved









3 0
3 years ago
Read 2 more answers
70 million 16 thousand 90
ladessa [460]

Answer:

70,016,090

Step-by-step explanation:

You write it in standard form.

8 0
3 years ago
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5. What’s the answer to this question
Oksi-84 [34.3K]

Answer:

Graph 3

Step-by-step explanation:

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3 years ago
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