3 years ago

State the commutative property of addition, and provide an example using two different numbers.

Mathematics

1 answer:

I am Lyosha [343]3 years ago

5 0

Answer:

Step-by-step explanation: or takes watever numbers you need , for example 5 + 3 or 3 +5 then add and ur done!

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Find the missing angles

Masteriza [31]

Answer:

b = 34°

Step-by-step explanation:

b + 115° + 31° = 180°

b + 146° = 180

b = 180° - 146°

b = 34°

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3 years ago

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For which values of x does 2x^2=10x?

Sphinxa [80]

Answer:

x = 0; x = 5

Step-by-step explanation:

2x² = 10x

2x² - 10x = 0

2x(x - 5) = 0

x = 0; x = 5

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3 years ago

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Manu had 16 pears in a basket. Sten gave him 10 more. Manu gave 8 pears to Klara. How many pears does Manu have left?

grin007 [14]

Answer:

18 i hope this helps! :)

Step-by-step explanation:

has 16 to begin with

gets 10 more

16 + 10 = 26

gives 8 away

26 - 8 = 18

Manu has 18 pears left

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3 years ago

Line MN passes through points M(4, 3) and N(7, 12). If the equation of the line is written in slope-intercept form, y = mx + b,

olasank [31]

The value of b is -9. The equation of the line is y = 3x - 9

5 0

3 years ago

ifteen accounting majors had an average grade of 90 on a finance exam. Seven marketing majors averaged 85, while ten finance maj

CaHeK987 [17]

Answer:

A. 89.84

Step-by-step explanation:

Weighed mean:

Sum of the multiplications of each value by its weight, divided by the sum of the weights.

Weights:

15 had an average of 90.

7 averaged 85.

10 averaged 93.

What is the weighted mean for the 32 students taking the exam?

$M = \frac{15*90 + 7*85 + 10*93}{15 + 7 + 10} = 89.84$

Thus the correct answer is given by option A.

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3 years ago