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Feliz [49]
2 years ago
12

Pls help. Cindi wants to cover the top and sides of this box with glass tiles that

Mathematics
2 answers:
Leto [7]2 years ago
5 0

Surface area of box:

= 2(lb + bh +hl)

= 2(20×15 + 15×9 + 9×20)

= 2(300 + 95 + 180)

= 2 × 575

= 1,150 cm³

Area of tiles:

= 1 × 4 = 4 cm

No of tiles:

= 1,150/4

= 287.5 = 288

Total 288 tiles will be needed

Marat540 [252]2 years ago
4 0

Answer:

300 square centimeters

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Use the circle graph to determine how many hours per day Becky spends on each activity.
Oduvanchick [21]
404 error: graph not found

anyway, the graph was not included. since the sleep time was included, I will assume that the circle graph is worth 24 hours

all we need to do is to convert the percentages to fractions and multiply that by 24 to find out how many hours per activity


percent means parts out of 100 so x%=x/100


so we have
School
Eating
Sleep
Homework
Free Time

School=25%
25%=25/100=1/4
1/4 times 24=6
School: 6 hours


Eating=10%
10%=10/100=1/10
1/10 times 24=2.4
Eating: 2.4 hours


Sleep=40%
40%=40/100=4/10=2/5
2/5 times 24=48/5=9.6
Sleep: 9.6 hours


Homework=10%
10%=10/100=1/10
1/10 times 24=2.4
Homework: 2.4 hours


Free Time=15%
15%=15/100=3/30
3/20 times 24=72/20=36/10=3.6
Free Time: 3.6 Hours

Answers:
School: 6 hours
Eating: 2.4 hours
Sleep: 9.6 hours
Homework: 2.4 hours
Free Time: 3.6 Hours


3 0
3 years ago
Simplify 4 times square root 24 minus 4 square root 8 plus square root of 98
Mrrafil [7]

Answer:117.59

Step-by-step explanation: sorry if i am wrong

4 0
2 years ago
A shop is selling notebooks for £1.50 each.
Tema [17]

Answer:

18 . 75

Step-by-step explanation:

1.50's half is 0.75 , Then multiply £1.50 × £25

8 0
2 years ago
Read 2 more answers
DUE TOMORROW PLEASE HELP
bija089 [108]

Answer:

This might help...

Step-by-step explanation:

To the nearest whole number, what is the percentage increase in volume? Explanation: To find the percentage difference, you merely subtract the start value from the end value and divide by the start.

5 0
2 years ago
The school cafeteria has 4 choices for dessert. Out of the first 100 surveyed, 20 chose ice cream. Based on the data, what is th
butalik [34]
20/100 converted to 10/50 converted to 5/25 of the school will choose ice cream.

I hope this helped! If you found that this helped, a brainliest would be highly appreciated
4 0
3 years ago
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