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IRISSAK [1]
3 years ago
14

When asked to find an equivalent expression to 3(8+7) 3(8+7) , James said 24 + 21. a) What property did James use? b) Do you agr

ee with James? Explain.
Mathematics
1 answer:
ryzh [129]3 years ago
4 0

Answer:

  a) the distributive property

  b) Yes

Step-by-step explanation:

a) The distributive property of multiplication over addition tells you ...

  a(b+c) = ab +ac

James has a=3, b=8, c=7, so he can fill in the values to get ...

  3(8+7) = 3·8 +3·7

Taking this one step into the evaluation, James gets ...

  3(3+7) = 3·8 +3·7 = 24 +21 . . . . . . the result James reports

___

b) Our result agrees with James' result, so we agree with James.

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A number cube is rolled three times. An outcome is represented by a string of the sort OEE (meaning an odd number on the first r
Kryger [21]

The probability of occurrence for the events A, B and C is; 1/4.

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For the first event A in which case, there's no odd number on the first two rolls, the possible events are; EEE and EEO. Consequently, the required probability is;

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For the event B in which case, there's an even number on both the first and last rolls; the possible events are; EEE and EOE. Consequently, the required probability is;

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2 years ago
Which system of inequalities is shown? A. Y&gt;x y&lt;2 b. Y 2 D. Y&gt;x y&gt;2
AURORKA [14]

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The horizontal line goes through 2 on the y axis. This boundary line is represented by the equation y = 2, since every point on this line has a y coord of 2. The shading above it means that the inequality is y > 2. Every point in the shaded region of y > 2 has a y coord that is larger than 2.

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2 years ago
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Masteriza [31]

Answer:

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Step-by-step explanation:

H77777777

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