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Crank
3 years ago
11

HELP!!! An electronics company designed a cardboard box for its new line of air purifiers. The figure shows the dimensions of th

e box.
The amount of cardboard required to make one box is ___
square inches.

Mathematics
2 answers:
Anarel [89]3 years ago
6 0

Answer:

130 in^2 net area

136 in^2 gross area (counting the 6 in^2 scrap loss for the side cutouts)

Step-by-step explanation:

top=1.5x4=6

middle=1.5x4=6

bottom=3x4=12

sides=(2x3x8)-(2x1.5x2)=42

front & back=2x8x4=64

6+6+12+42+64=130

Lerok [7]3 years ago
5 0

Answer:

A. 130

That's what the other guy said :/

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What are the six trigonometric functions of theta = 2pi ?
mafiozo [28]

sinx=sin(π3−π)=−sin(π3)=−12.
cosx=cos(π3−π)=−cos(π3)=−√32.
tanx=−12−√32=1√3=√3.
cotx=1√3=√33.
secx=1cos=−2√3=−2√33.
cscx=1sin=−2.
3 0
3 years ago
Need help with this math problem
Dmitrij [34]

Answer:

So the value of u is 24 degree.

Step-by-step explanation:

Given;

Three angle 2u , (u+18) degree and 90 degree in a Triangle.

We know;

Addition of three angle in a triangle is equal 180 degree

2u+u+18+90=180

3u=180-90-18

3u=72

u=\frac{72}{3}

u=24

∴ The value of u is [tex]24[\tex] degree.

3 0
3 years ago
cameron opens a checking account and a savings account at his local bank. He deposits $10,000 into his checking account and $2,0
NeX [460]
10000-1200x=200*(1.08)^x
x≈8.02
The answer can be 8 years after
7 0
3 years ago
NEED HELP WITH PERFORMANCE TASK IN MATH!!! I will mark you brainliest and give you extra points!
koban [17]

Answer:

a) Use the data in the table to find the rate of change in the length of baby girl Grace. (2 points)

The rate of change is 1.5 inches every two months. (0.7 inches per month)


b) Write a linear equation for the graph in point-slope form. Show your work. (2 points)

0.7x-y+17.2=0

Work: (y-y1)=m(x-x1)

(y-20)=0.7(x-4)

y=0.7x-2.8+20

y=0.7x+17.2

0.7x-y+17.2=0


c) 20-1.5= 18.5 (2 months)

18.5-1.5= 17

17 inches

Grace was 17 inches at birth. I found this out by using my data and knowing that she grew 1.5 inches every two months. So, to solve I subtracted 1.5 from 20, for that was the first data that was given, and was left with the data that the baby was 18.5 inches long at birth. I did the same procedure again, subtracting 1.5 from 18.5, and was given 17. Since 17 inches long was what was recorded at zero months, that would mean that the baby was 17 inches long at birth.


d) Based on the data, I can predict that Grace will grow about 4.2- 4.5 inches in 6 months, and be about 44 inches long. To do this, I took the known rate of change (1.5 inches per two months) and the last recorded data (39.5 inches). I then realized that there was six months until 36 weeks. Still keeping in mind that the rate of change was 1.5 per two months, I multiplied 1.5 by 6 and then divided by 2 (because it was every two months and not one). This came out to be that she would grow 4.5 inches in 6 months. I then added 4.5 to 39.5 (the length at 30 months) and got a total of 44 inches. This would mean that Grace would be 44 inches long at 36 weeks. This would make sense because the rate of change was used, and if one subtracted the rate of change by 0.7 for 6 months from 44, they would get an answer of 39.5.


Hope this helped:)


3 0
3 years ago
At a high school with 1100 students, Jake is in the 70th percentile for height. How
nataly862011 [7]
Note that a percentile tells us how many percents of numbers that are above the number at the percentile. So the 70th percentile tells us that 70% of the students are taller than Jake. That means 30% of the students are either at the same height or shorter than Jake.

30% of 1100 would be 0.3*1100 = 330.

So there are 330 students that are either at the same height or shorter than Jake.
4 0
3 years ago
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