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3 years ago

12

During a sale, a grocery store gives every 13th customer a free loaf of bread. If 910 customers visit the store, how many loaves

of bread does the store give away for free?

1 answer:

goldfiish [28.3K]3 years ago

5 0

Answer:70

Step-by-step explanation:910/13=70 so he gives away 70 loafs of bread.

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A) how many men have a waist measurement of more than 85 cm

KATRIN_1 [288]

Answer:

(a)29

(b)91cm

(c)13cm

Step-by-step explanation:

(a)From the graph, 11 men have a waist measurement of 85cm and below.

Since the cumulative frequency is 40

Number of men who have a waist measurement of more than 85 cm

$=40-11\\=29$

(b)Median

$\text{Median}=\dfrac{N}{2}\\N=40\\Median=\dfrac{40}{2}=20th$ item$

Tracing 20 from the y-axis to the x-axis, the median waist measurement is 91cm.

(c)Interquartile Range

Interquartile Range = $Q_3-Q_1$

$Q_1=\dfrac{N}{4}=\dfrac{40}{4}=10th$ item$

From the graph, at y=10, x=84 cm

$Q_3=\dfrac{3N}{4}=\dfrac{3*40}{4}=30th$ item$

From the graph, at y=30, x=97 cm

Therefore:

Interquartile Range=97-84=13cm

5 0

3 years ago

A round trip from Montreal to LA is 2,688 miles and takes an airline 9 hours and 20 minutes. Given the outbound trip is the same

Ksju [112]

Answer:

4.074 hours

Step-by-step explanation:

r =

The formula for speed = Distance × Time

Hence,

Let the outbound speed = r

return trip speed = r + 25x/100 = 125r/100 = 1.25r

Note that: 9 hours and 20 minutes = 9.167

Let t1 and t2 be the time taken to travel on way and return journey.

t1 + t2 = 9 hr 10 min = 9.167 hrs

Hence:

2688/r + 2688/1.25r = 9.167

LCM(1.25r)

(2688 × 1.25) + 2688 /1.25r= 9.167

3360 + 2688 = 9.167 × 1.25r

6048 = 11.45875r

r = 6048/11.45875

Outbound trip rl = 527.8062615904876mph

Return trip speed = r + 25x/100 = 125r/100 = 1.25r

= 1.25 ×

659.75782699mph

Time for return trip = Distance/Speed

= 2,688 miles/659.75782699mph/

= 4.0742222222 hours

Approximately = 4.074 hours

8 0

3 years ago

Maria incorrectly placed the decimal point when she wrote 0.65 inch fo the width of her computer. what is the correct decimal nu

Anit [1.1K]

I think it should be 6.5 inch but I'm not positive.

I hope this helps! :))

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4 years ago

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If I have a candy bar divided into 6 equal parts, and I eat 2 of the parts, what fraction of the candy bar did I eat?

Afina-wow [57]

Answer:

2/6 or 1/3

Step-by-step explanation:

Nothing it is just basic mathematics

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3 years ago

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Convert from the given standard form of a linear equation to the slope intercept form of a linear equation

Murljashka [212]

Step-by-step explanation:

remember, we need to get to an expression of the form

y = ax + b

1.

x + 5y = 5

5y = -x + 5

y = (-1/5)x + 1

2.

3x + 2y = 4

2y = -3x + 4

y = (-3/2)x + 2

3.

2x + y = 4

y = -2x + 4

4.

4x - 2y = 6

2y = 4x - 6

y = 2x - 3

5.

8x - 4y = 16

4y = 8x - 16

y = 2x - 4

6.

3x + 4y = 4

4y = -3x + 4

y = (-3/4)x + 1

7.

9x - 4y = -16

4y = 9x + 16

y = (9/4)x + 4

8.

2x - 5y = 10

5y = 2x - 10

y = (2/5)x - 2

9.

3x + 5y = 10

5y = -3x + 10

y = (-3/5)x + 2

10.

7x - y = 4

y = 7x - 4

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3 years ago