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3 years ago

Three fifths of the members of a hiking club went

Mathematics

1 answer:

tatiyna3 years ago

8 0

There are 65 people in the club.

Step-by-step explanation:

Given,

Fraction of people went on hiking = $\frac{3}{5}$

No. of people went on hiking = 39

Let,

x be the number of people at club.

According to given statement;

$\frac{3}{5}\ of\ x = 39\\\\\frac{3}{5}x=39\\0.6x=39\\$

Dividing both sides by 0.6

$\frac{0.6x}{0.6}=\frac{39}{0.6}\\x=65$

There are 65 people in the club.

Keywords: fractions, division

Learn more about fractions at:

#LearnwithBrainly

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Help please show work A 18 B 2 C 9 D 1

Crank

Answer:

value of x = 2

Step-by-step explanation:

the given quadrilateral will be a parallelogram if their diagonals bisects each other so,

if 5x - 1 = 2x + 5 , then the given quadrilateral is a parallelogram.

now,

=》 5x - 1 = 2x + 5

=》 5x - 2x = 5 + 1

=》3x = 6

=》x = 6 ÷ 3

=》x = 2

hence, if x = 2 units, then the given figure will be a parallelogram.

3 0

3 years ago

Number of Text Messages a Day A random sample of n = 755 US cell phone users age 18 and older in May 2011 found that the average

Alexeev081 [22]

Answer:

The 95% confidence interval is (29.54 - 53.46}

Step-by-step explanation:

given data:

$\hat X = 41.5$

Se = 6.1

n = 755

a) best estimate $\hat x = 41.5$

b) at 95% confidence interval

$\alpha = 1- 0.95 = 0.05$

$\alpha /2 = 0.025$

$z_{\alpha/2} = z_{0.025} = 1.96$

at 95% confidence interval for [/tex]\mu[/tex]

$\hat x \pm z_{\alpha /2} \times Se$

$41.5 \pm 1.96\times 6.1$

$41.5 \pm 11.96$

The 95% confidence interval is (29.54 - 53.46}

7 0

3 years ago

How we can say 8 in letters

BartSMP [9]

Eight. :) your welcome.

7 0

3 years ago

Jason scored a total of 38.14 points in four events during the state gymnastic competition .If he had the same score for each ev

kramer

You have to divide 38.14 by 4 and your answer equals 9.535 whichirounds to 9.54

6 0

3 years ago

Read 2 more answers

Find the next three sequence of 1,3, 9, 27,

Andreyy89

Answer: 81, 243, 729

Step-by-step explanation:

STEP ONE: Find a pattern in the sequence

3 ÷ 1 = 3

9 ÷ 3 = 3

27 ÷ 9 = 3

As we can see from the given sequence, each number multiplies 3 to get the next term.

STEP TWO: Find the next three terms

27 × 3 = 81

81 × 3 = 243

243 × 3 = 729

Hope this helps!! :)

Please let me know if you have any questions

4 0

3 years ago