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2 years ago

PLS HELP ASAP PLS WILL MARK BRAINLIEST

Mathematics

1 answer:

hoa [83]2 years ago

5 0

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Please help, Geometry I have NO idea how to do this. Both pictures! (#12, #16)

Dvinal [7]

180 degrees in a triangle. so 180-90-31=59

8 0

2 years ago

Help with 12!! ASAP will gove brainliest!! How to find the surface area!!

Shkiper50 [21]

Answer: 659 13/18 yd^2 or 659.7yd^2 ^ =squared

Step-by-step explanation:

This is the answer because you have 6 sides of this prism. That means 3 sides are parallel to the sides across from them. So, 12 1/2 yd by 8 1/3 yd is 104 1/6, then multiply by 2. That equals 208 1/3. Then, 10 5/6 yd by 8 1/3 yd is 90 5/18. then times by 2. That equals 180 5/9. Next, 10 5/6yd by 12 1/2 is 135 and 5/12. then times by 2 and that is 270 5/6yd.

add 208 1/3 + 180 5/9 + 270 5/6

659 13/18 yd^2

3 0

3 years ago

Find the minimum sample size needed to be 99% confident that the sample's variance is within 30% of the population's variance.

liq [111]

The Minimum sample size table is attached below

Answer:

$X=173$

Step-by-step explanation:

From the question we are told that:

Confidence Interval $CI=99\%$

Variance $\sigma^2=30\%$

Generally going through the table the

Minimum sample size is

$X=173$

7 0

2 years ago

Idek what to do, help

stepladder [879]

Distribute the 5 to the (2+y). Parenthisis always come first. after that combine the 5y and the -y. you should end up with 2-(+4y) +2. add the -2 and +2. you should be left with 4y

8 0

2 years ago

Two friends store 3 cereal bors equally. How many cored bors each person get? Show your work Write an equation & solution: E

maria [59]

Answer:

1 $\frac{1}{2}$

Step-by-step explanation:

There are a total of 2 friends, if they have 3 cereal bars and want to split it equally then we simply need to divide the number of cereal bars by the number of friends which would give us the number of cereal bars that each individual will get, which will be represented by x

x = 3 / 2

x = 1 $\frac{1}{2}$

Finally, we can see that each friend will get a total of 1 and a half of a cereal bar.

7 0

2 years ago