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lana [24]
2 years ago
10

Kena calculates that she spends 15% of a school day in science class. If she spends 75 minutes in science class, how many minute

s does Kena spend in school?
Mathematics
1 answer:
ankoles [38]2 years ago
5 0

Answer:

Step-by-step explanation:

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The following chart shows a store's records of sales of stuffed toys for two months
Dmitry_Shevchenko [17]

Answer:

None of the above answers

Step-by-step explanation:

Form a table as shown

Months         Teddy Bears    Rabbits     Cats    Horses    Others    Totals toys

September      225                275           245      260          199        1204

October           346                 308           186      297           285       1422

Trends

Cats decreased from 245 to 186

Others increased from 199 to 285,

285-199 = 86

percent increase was = increase/original quantity *100

86/199 *100 =43.22%

Total number of stuffed toys increased from 1204 to 1422

percent increase = (1422-1204)/1204 *100 = 218/1204 *100 =18.11%

7 0
3 years ago
Read 2 more answers
Harry has a cube with a side length of 7 cm. What is the volume of Harry's cube?
Sonbull [250]

Given,

Side = 7 cm

We know that,

Volume of a cube = side³

So, volume of Harry's cube

= (7 cm)³

= 343 cm³

3 0
2 years ago
ABC ~ XYZ Find the length of BC (need an answer as soon as possible, with showing work please)
Snezhnost [94]

Answer:

BC is equal to 7

Step-by-step explanation:

18 = 2x + 4

18 - 4 = 14

14 = 2x

14/2 = 7

7 = x

4 0
2 years ago
Jane is trying to estimate the average electric bill amount of people who live in Las Cruces in summer time. She randomly select
Lina20 [59]

Answer:

The estimated average electric cost amount of all residents in Las Cruces = 182.9

Step-by-step explanation:

The bill amounts from the electric company for the month of July for 10 randomly selected houses from the map was obtained to be

135 265 215 103 156 203 125 156 230 241

Using the Central Limit theory, the mean of a sample extracted randomly from an independent distribution is approximately equal to the population mean of the independent distribution.

This means that the sample mean of a random sample extracted from the population is a good estimate of the population mean.

Sample mean ≈ Population mean

μₓ = μ

Mean = = (Σx)/N

The mean is the sum of variables divided by the number of variables

x = each variable

N = Sample size = 10

Σx = (135+265+215+103+156+203+125+156+230+241) = 1,829

Sample mean = (1,829/10) = 182.9

Population mean ≈ sample mean

Population mean ≈ 182.9

Hope this Helps!!!

8 0
3 years ago
It's -25 in Alaska and 75 in Florida. How much hotter is it in Florida than in Alaska?
emmasim [6.3K]
Just subtract to find the difference.

75 - (-25) = 75 + 25 = 100.

It is 100 degrees hotter in florida than alaska.
3 0
3 years ago
Read 2 more answers
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