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Ad libitum [116K]
3 years ago
13

A square box is filled with two layers of identical square pieces of chocolate. Kirill had eaten all 20 pieces in the upper laye

r along the walls of the box, how many pieces of chocolate are left in the box?​
Mathematics
2 answers:
Natali [406]3 years ago
8 0

Answer: 50? Hope this helped.

Vikentia [17]3 years ago
4 0

Answer:

52.

Step-by-step explanation:

Since it is a square box, along the walls has

20 chocolates, only a 6x6 has 20 along the walls.

So 36+36 would be 72 and 72 - 20 is 52.

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Mnenie [13.5K]

Answer:

52 is the size of the sample space of this two-stage experiment

3 0
2 years ago
What is the length of the hypotenuse, c? Round your answer to the nearest hundredth.
Afina-wow [57]

Answer:

Step-by-step explanation:

By using the Pythagorean theorem:

b^2+3^2=5^2
b^2+9=25

b=sqrt (25-9)

b=sqrt(16)

b=4

=> 4^2+7^2=c^2
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65=c^2
=>c=sqrt(65)

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5 0
2 years ago
Which number is a rational number?
erik [133]

Answer:

C

Step-by-step explanation:

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8 0
3 years ago
Solve.
lions [1.4K]

Answer:

b=9,a=12

Step-by-step explanation:

I solved by substitution:

b = 3/4a  ---> plug this into the other equation

a + b = 21   is now    a + 3/4a = 21

Reduce: 7/4a = 21

a = 12

Now solve for b:

b=3/4a is now b=3/4(12)

b=9

6 0
3 years ago
Read 2 more answers
HELP ASAP All the students in a history class complete a 10-point
liubo4ka [24]

Answer:

A. y = x+10

Step-by-step explanation:

The original test score is x

And in the next assignment it is 10 more means,

x + 10

If the new score is y then it should be equal to the above solution.

Hence, answer is <u>y</u><u> </u><u>=</u><u> </u><u>x</u><u>+</u><u>10</u><u>.</u>

7 0
3 years ago
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