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Andrei [34K]
3 years ago
5

The table shows information about the numbers of hours 30 children spent on their tablets one evening.A) Find the class interval

that contains the median.B)Work out an estimate for the mean number of hours

Mathematics
1 answer:
Tresset [83]3 years ago
8 0

Answer:

A- 2<h<3   B- 2.2

Step-by-step explanation:

 when you make a dot plot, the median is 11. using that dot plot, you can approximate a mean to be around 2

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Find the price of each product after a discount is applied
KiRa [710]

Answer:

$525.55

Step-by-step explanation:

Let x be the discounted rate.

Given.

Price of the diamond ring is $571.25.

And discount is 8%.

8% price of the diamond ring is.

8% of the price of the diamond ring = 571.25\times \frac{8}{100}

8% of the price of the diamond ring = 571.25\times 0.08}

8% of the price of the diamond ring = 45.7

Discounted rate = Price of the diamond - 8% of the price of the diamond ring

Discounted rate = 571.25-45.7

Discounted rate = 525.55

The discounted rate of the diamond ring is $525.55

7 0
3 years ago
What is -29/24 as an improper fraction
Step2247 [10]

Answer:

-29/24

Step-by-step explanation:

3 0
3 years ago
What is the solution of the system
ozzi

The solution to the system of equation is (14, 6)

1 / 2 x = 10 - 1 / 2 y

8 = x -y

Therefore, let's combine the equation.

<h3>Simultaneous equation:</h3>

1 / 2 x + 1 / 2 y = 10

x - y = 8

x + y = 20

x - y = 8

2y = 12

y = 12 / 2

y = 6

x = 20 - 6

x = 14

Therefore, the solution of the system of equation is (14, 6)

learn more on system of equation here: brainly.com/question/8914228?referrer=searchResults

7 0
2 years ago
Alexa ran 2/3 of a mile. Caleb ran 5/8 of a mile. Who ran farther?
guapka [62]
Switching to common denominators, alexa ran 18/24 of a mile. caleb ran 15/24 of a mile. for alexa’s distance, you would do (2•8)+(3•8). for caleb’s distance you would do (5•3)+(8•3). hope this helped!
4 0
3 years ago
Find an equation of a line through (2, 1) and perpendicular to −2x + 4y = 8
MAVERICK [17]

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(1/2) = -1......( perpendicular to a line with a slope of   1/2)            because :    -2x+4y =8...y=(1/2)x+2    )     </span>

<span>
a = -2       y=(-2x+b
the line that passes through (2,1) :1 = -2(2)+b
b =5
<span> the equation is :  y  = -2x+5</span></span>

4 0
2 years ago
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