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goldfiish [28.3K]
3 years ago
5

Write an expression that represents the sum of r and 7

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
6 0
(R+7) is the expression
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A family has three children and the number of girls is recorded assume an equal chance of a boy or girl for each birth
nirvana33 [79]

Answer:

P(A)=P(all boys)  

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8

P(B)=P(all boys or all girls)

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P(C)=P(2 boys or 2 girls)

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3 0
3 years ago
a wooden box has external dimensions 40 cm by 34 cm by 30 cm. if the wood is 1 cm thick how many cm3 of wood is used in it ?​
Westkost [7]

Answer:

6752 cm³ of wood

Step-by-step explanation:

V = 40cm×34cm×30cm = 40800 cm³

v = 38cm×32cm×28cm = 34048 cm³

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7 0
3 years ago
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Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n.
Vinil7 [7]

The correct question is contained in the first attached file.

Answer:

a) The trapezoidal rule answer

0.433490

b) The midpoint rule answer

1.186075

c) The Simpson's rule answer

1.106143

Step-by-step explanation:

These numerical methods are means of estimating definite integrals by finding the area under the curve of the function between two points.

a) The solution for the trapezoidal rule method is presented in the 2nd attached image to this solution.

b) The solution for the midpoint rule method is presented in the 3rd attached image to this solution.

c) The solution for the Simpson's rule method is presented in the 4th attached image to this solution.

7 0
4 years ago
The segment show below form a triangle<br> True or false?
seropon [69]

Answer:

true

Step-by-step explanation:

because it would be

5 0
3 years ago
He box plot shows the total amount of time, in minutes, the students of a class spend reading each day: a box plot is titled dai
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The information provided is the median....it is that vertical line drawn inside the rectangle at point 37.
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3 years ago
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