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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.

You might be interested in
Divide 1/7 divided by 6
ArbitrLikvidat [17]

Answer:

1/42

Step-by-step explanation:

1/7 ÷ 6/1

1 x 1 = 1

------------

7 x 6 = 42

1/42

already simplified to the fullest

hope that helps!

6 0
2 years ago
use natural logarithms to solve the equation. round to the nearest thousandth. show work!! 5e^(2x+11) =30
rosijanka [135]

Answer:

x = -4.604

Step-by-step explanation:

Here, we want to get the value of x

We start by dividing through by 5

e^(2x + 11) = 30/5

e^(2x + 11) = 6

Writing this in natural logarithm form, we have;

ln 6 = 2x + 11

2x + 11 = 1.792

2x = 1.792-11

2x = -9.208

x = -9.208/2

x = -4.604

8 0
2 years ago
What are the formulas for trigonometry and pythagoras?
jasenka [17]
That's not a good question at all.  It's a lot like asking
"What are the statements for News and President Obama ?"

There are at least a hundred formulas that are useful in trigonometry.
One of the most useful is:

       In a right triangle, the square of the length of the hypotenuse
       is equal to the sum of the squares of the two short sides.

Pythagoras is the name of the ancient Greek mathematician who
discovered that formula.  The formula is so useful that it's known
by his name, in his honor.
7 0
2 years ago
Tomika uses 619 inches of wire to make a necklace and 313 inches of wire to make a bracelet.
Lisa [10]

Answer:

2,796.

Step-by-step explanation:

First, I added 619 + 313, which is 932. Since she is able to use more, I multiplied it by two to get me 1,864. If I tried multiplying it by three, I would get 2,796, which is a perfect amount.  

4 0
3 years ago
Does any body knows how to answer this
Vlad1618 [11]

i have an app for you, its called photo math. all you have to do is scan a math problem like that and it will give you an answer!

hope this helped and i hope you find your answer because i have no clue what the answer is sadly, im bad at math! lol

7 0
3 years ago
Read 2 more answers
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