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Assoli18 [71]
3 years ago
13

Pls somebody that knows this answer it please

Mathematics
2 answers:
hoa [83]3 years ago
5 0
For the first one the answer is 96. I think the answer for the second one is B and for the third question the answer is c. Hope this helps!
Yuliya22 [10]3 years ago
3 0

Answer:

Im pretty sure it is 48 but it could be 96

Step-by-step explanation:

I just found the area and halved that.

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In dealing with surface area, what is a net?
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Answer:

the answer is a.

when dealing with surface area, a net is a two-dimensional figure that can be cut out and folded up to make a three-dimensional solid

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3 years ago
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If an object has a Mass of 11g and a volume fo 13mil, what is its density?
tino4ka555 [31]

Step-by-step explanation:

Mass (m) = 11 g

volume (v) = 13 ml

density (d) = ?

We know density is defined as mass per unit volume so

d = m / v

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Density (d) = 0.85 g/ml

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A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the numbe
ycow [4]

Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

S_n = \frac{n}{2}(n - 1)

Step-by-step explanation:

Given

For 5 people

\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}

Using the given instance of 5 people, the number of handshakes can be represented as:

(n - 1) + (n - 2) + (n - 3) + ........ + 3 + 2 + 1 + 0

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

S_n = \frac{n}{2}{(T_1 + T_n})

Where

T_1 = n - 1 --- The first term

T_n = 0 --- The last term

So:

S_n = \frac{n}{2}(n - 1 + 0)

S_n = \frac{n}{2}(n - 1)

7 0
3 years ago
Giving brainlist to the correct person
choli [55]

Answer:

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5) Sodium

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9) Tungsten

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11) silver

Step-by-step explanation:

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3 years ago
The instructions on the bag on concrete mix say to add 2 gallons of water to each 8 pounds bag of conceit mix
tiny-mole [99]

Answer:

4 pound

Step-by-step explanation:

From the question :

2 gallons of water = 8 pound bag

Number of pound bag per gallon of water ;

Let the number of pound = x

Using cross multiplication, we'll have :

2 gallons = 8 pounds

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Cross multiply

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x = 4

Hence, 1 gallon of water mixes 4 pound bag of concrete.

3 0
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