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ch4aika [34]
3 years ago
9

A box plot divides the data values into three equal sections. true or false

Mathematics
2 answers:
Zinaida [17]3 years ago
3 0
The answer for this is false
natulia [17]3 years ago
3 0

Answer:

false

Step-by-step explanation:

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Jenna can clean the gutters at her house in four hours. Her older brother, John, can clean the gutters in three hours, if they w
OlgaM077 [116]

Answer:

1 hour and 42.8 minutes

Step-by-step explanation:

To answer this question let's call t_1 while it takes Jenna to clean the gutters

Let's call t_2 while it takes John to clean the gutters

t_1 = 4 h

t_2 = 3 h

t = total time

g = job = 1 (clean the gutters)

The speed of each one is:

V_1 = \frac{1}{4} g/ h

V_2 = \frac{1}{3} g/h

V = V_1 + V_2 = \frac{g}{t} = \frac{1}{t}

So:

V = V_1 + V_2 = \frac{1}{4} +\frac{1}{3}

\frac{1}{t} = \frac{1}{4} + \frac{1}{3}= \frac{7}{12} g/h

t = \frac{12}{7} h

Then, both together paint \frac{7}{12} of gutters for each hour.

This means that it takes \frac{12}{7}  hours to clean the gutters together

Finally cleaning together takes 1,714 hours or also

1 hour and 42.8 minutes

7 0
3 years ago
Find the volume of a cone that has a radius of 5 yards and a
stepan [7]

Answer:

Volume of the cone = 182.91\,yards^3

Step-by-step explanation:

Radius of the cone = 5\,yards

Height of the cone = 7\,yards

Volume of a cone is:

                 \pi \times r^2 \times\dfrac{h}{3}\\

            =3.14\times (5\times 5)\times \dfrac{7}{3} \\\\=3.14\times 25 \times 2.33\\\\=3.14\times 58.25\\\\=182.905\,yards^3

The Volume of the cone is :182.91\,yards^3

8 0
3 years ago
Mister Lincoln by juices and water for the school picnic a pack of their juices box cost $5 about the six water bottles cost $3
Lady bird [3.3K]

Answer:

10 packs of juice and 15 packs of water was bought by Mr. Lincoln

Step-by-step explanation:

Mr. Lincoln buys juice and water for the school picnic. A pack of 8 juice boxes costs $5. A pack of 6 water bottles costs $3. Mr. Lincoln spends $95 for 170 juice boxes and bottles of water.

Solution:

Let x represent the number of packs of juice boxes bought by Mr. Lincoln and let y represent the number of packs of water bottles bought by Mr. Lincoln.

Each pack of juice cost $5 while each pack of water cost $3. Mr. Lincoln spends $95, therefore:

5x + 3y = 95       (1)

Each pack of juice contain 8 juice boxes and each pack of water contain 6 water bottles. Since 170 juice boxes and bottles of water was bought, therefore:

8x + 6y = 170         (2)

Solving equations (1) and (2) simultaneously. Multiply equation (1) by 2 and then subtract equation (2) from the result to get:

2x = 20

x = 10

Substitute x = 10 in equation (1):

5(10) + 3y = 95

50 + 3y = 95

3y = 45

y = 15

Hence 10 packs of juice and 15 packs of water was bought by Mr. Lincoln

5 0
3 years ago
Graph A line goes through the point (–2,3) and has a slope of –4. What is the y-intercept of the line?
Mandarinka [93]

slope m =  –4

equation

y - 3 = -4(x + 2)

y - 3 = -4x - 8

y = -4x - 5 where slope = -4 and y intercept = b = -5

Answer

Y intercept (0, -5)

5 0
4 years ago
Read 2 more answers
What's the value of x?​
krok68 [10]

Answer:

x=23°

Step-by-step explanation:

The whole angle is 117°, and its split in two. One half is 94°, so 117-94= 23

7 0
3 years ago
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