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Inga [223]
3 years ago
13

Math Problem Solving with Surface Area and Volume: Grade 8

Mathematics
1 answer:
JulijaS [17]3 years ago
5 0

Answer:

Task A:

1. 684 cm

2. 274 cm

3. 411 cm

4. 2:3

Task B:

1. Option 1: 402, option 2: 402

2. Option 2 seems it will take more.

3. I think it will be option 1, it seems easier to put together.

4. Option 1: 302, Option 2: 427

Step-by-step explanation:

I am not entirely sure they are all correct but I tried my very best

I hope this helped.

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Find the equation that shows the relationship between the number of pens, p, and the
Brut [27]

Answer: c= 0.79p

Step-by-step explanation:

Divide each cost by the number of pens it have to find the constant change value.

3.95/5 = 0.79

7.90/10= 0 .79  

11.85/15 = 0.79

15.80 / 20 = 0.79

Since the constant change is 0.79  which means that for each pen it will cost you $0.79, then the equation will be  c= $0.79p  where c is the cost and p is the number of pens.

3 0
3 years ago
Determine f(4), f(-5) and f(-2/3)
anyanavicka [17]

Answer:

Y would just equal 6. It says so. Imagine that line where the line is just at y=-6. And imagine all of the points on that line with 4, 5, and -2/3 as the x.

Step-by-step explanation:

5 0
3 years ago
Giving 20 points away<br> What is 2^3*4^7+63<br> What is 2^3*4^7-63
Arada [10]
2^3×4^7+63 = 131135
2^3×4^7-63 = 131009
3 0
3 years ago
Which describes the transformation shown please help
sergiy2304 [10]
90° clockwise, I think
5 0
3 years ago
The sum of the first 3 terms of a geometric series is 171 and the common ratio is 2/3.
Paladinen [302]

Answer:

81

Step-by-step explanation:

let the terms be a,ar,ar²

r=2/3

a+a(2/3)+a(2/3)²=171

multiply by 9

9a+6a+4a=171×9

19 a=171×9

a=(171×9)/(19)

a=9×9=81

5 0
3 years ago
Read 2 more answers
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