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svetoff [14.1K]
3 years ago
11

9+8=17 what number sentence shows the commutative property of addition

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
8 0
The commutative property of addition is just switching the numbers around really! so yr answer would be 9+8=8+9
adelina 88 [10]3 years ago
5 0

By definition we have:

In mathematics, the commutative property or commutativity is a fundamental property that has some operations according to which the result of operating two elements does not depend on the order in which they are taken.

This is fulfilled in ordinary addition and multiplication: the order of the addends does not alter the sum, or the order of the factors does not alter the product.

We have then that the commutative property for this case is:

9 + 8 = 8 + 9 = 17

Answer:

A number sentence that shows the commutative property of addition is:

9 + 8 = 8 + 9 = 17

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Carl offered to pay jake $0.25 a square foot to paint his fence. The fence measures 109 feet long and 7 feet wide what is the to
Scorpion4ik [409]

Answer:

Part 1) The total square footage of the fence is 763\ ft^{2}

Part 2) \$190.75

Step-by-step explanation:

Part 1) what is the total square footage of the fence ?

we know that

The area of the fence is equal to

A=LW

substitute the values

A=(109)(7)=763\ ft^{2}

Part 2) How much will Jake get paid

Using proportion

\frac{0.25}{1}\frac{\$}{ft^{2}}=\frac{x}{763}\frac{\$}{ft^{2}}\\ \\x=763*0.25\\ \\x=\$190.75

6 0
3 years ago
Assume that college students have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Fin
jolli1 [7]

Answer:

0.018 is  the probability that a randomly selected college student has an IQ greater than 131.5                                

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100

Standard Deviation, σ = 15

We are given that the distribution of IQ score is a bell shaped distribution that is a normal distribution.

Formula:

a) P(IQ greater than 131.5)

P(x > 131.5)

Calculation the value from standard normal z table, we have,  

0.018 is  the probability that a randomly selected adult has an IQ greater than 131.5

3 0
3 years ago
Allison measured her rectangular deck and found that it has dimensions of 5 1/2 yards by 8 yards. Both the length and the width
katrin2010 [14]

Answer:

yes

Step-by-step explanation:

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3 years ago
Julie weights five watermelons and rounds the weights to the nearest hundredt. Which of the weights round to 7.43 pounds
blondinia [14]

Answer:

7.423

Step-by-step explanation:

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3 years ago
Solve for x: the quantity of x plus 4 over 3 = 2.<br> (x+4)<br> ------- = 12<br> 3
vaieri [72.5K]
(x + 4) / 3 = 12.....multiply both sides by 3, cancelling the 3 on the left side
x + 4 = 12 * 3
x + 4 = 36
x = 36 - 4
x = 32
7 0
3 years ago
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