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Dominik [7]
2 years ago
15

The perimeter of a square is 66.8 cm. What is the side lengh of the square​

Mathematics
1 answer:
mylen [45]2 years ago
5 0

Side length = 16.7 cm

Solution:

Perimeter of a square given = 66.8 cm

In a square four sides are equal.

The perimeter of a square = 4 × side

⇒ 4 × side = 66.8 cm

Divide both sides of the equation by 4 to equal the expression.

⇒ side = 66.8 ÷ 4

⇒ side = \frac{66.8}{4}

⇒ side = 16.7 cm

Hence, the side length of the square is 16.7 cm.

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Sue has 20 biscuits in a tin There are 12 plain biscuits 5 chocolate biscuits 3 currant biscuits Sue takes at 2 random biscuits
vagabundo [1.1K]

Answer:

111 / 190

Step-by-step explanation:

Total biscuits = 20

Plain, P = 12

Chocolate, C = 5

Currant, K = 3

Assume without replacement :

Probability that biscuit are of the same type :

P(plain) :

12 / 20 * 11 / 19 = 132 / 380

P(chocolate) :

5/ 20 * 4 / 19 = 20/ 380

P(currant) :

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Therefore,

Probability that biscuit is of the same type :

P(plain) + P(chocolate) + P(currant)

132/380 + 20/380 + 6/380

158 / 380 = 79 / 190

Therefore, probability that biscuit aren't of the same type :

1 - P(biscuit is of same type)

1 - 79/190

(190 - 79) / 190

111 / 190

7 0
2 years ago
Write the Taylor Series for f(x) = sin (x)center<br> 4x^4+3x^3+2x^2 x 8 centered at a 2
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Answer:

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Step-by-step explanation:

8 0
3 years ago
3. Find the lengths of d<br> d<br> 15<br> 7<br> 6<br> 10
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
What is the solution set of the quadratic inequality
allochka39001 [22]

Answer:

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Step-by-step explanation:

6 0
3 years ago
What is the most logical first step in solving the equation x2+6x+9=10?
valentina_108 [34]
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x^2 + 6x - 1 = 0 
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