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crimeas [40]
3 years ago
10

Which of the following shows 7 + (x + 4y) rewritten using the Associative Property of Addition? (3 points) Select one: a. 7 + x

+ 4y b. 7x + (4 + y) c. (7 + x) + 4y d. x + (7 + 4y)
Mathematics
1 answer:
Maslowich3 years ago
7 0
I think it would be d.
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‼️‼️‼️‼️‼️ is two correct? Also what’s number 3?‼️‼️‼️‼️
LenaWriter [7]

Answer:

C) P AND E

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A sound wave travels through iron at a rate of 5120\,\dfrac{\text{m}}{\text{s}}5120 s m ​ 5120, start fraction, start text, m, e
klio [65]

Answer:

18432 km/h

Step-by-step explanation:

It is given that a sound wave travels through iron at a rate of 5120 m/s.

We know that

1 km = 1000 m

1 hour = 60 minutes

1 minutes = 60 second

Using these conversions we get

1 m = 0.001 km

1 hour  = 3600 second

5120\text{ m/s }=5120\times 0.001\times 3600\text{ km/h}

5120\text{ m/s }=18432\text{ km/h}

Therefore, the sound wave travels through iron at a rate of 18432 km/h.

6 0
3 years ago
If your input is 15 for the rule, "divide by 5 then multiply by 2", what would be your output?
Dimas [21]

Answer:

The answer is 6.

Step-by-step explanation:

15 divided by 5 is 3 times 2 is 6.

4 0
2 years ago
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What's -8 + (-1 1/8)
gogolik [260]
I think the answer is 9.375 if it needs to be in decimal form. If it needs to be in fraction form it would be improper, 9 3/8 would be the fraction. Hope it helps! 
6 0
2 years ago
The student council had six fund raisers during the school year. They raised $212, $205, $206, $190, $188, and $195. Using the c
Rus_ich [418]

Answer:

$1200

Step-by-step explanation:

The clustering method for estimation is a method used for estimating the sums and products of numbers. This method is used when the numbers that are to be multiplied or added are near in value to a single number.

Given the money raised by six fund raisers:

$212, $205, $206, $190, $188, and $195

The numbers are to be added to find the total money raised. i.e.:

$212 + $205 + $206 + $190 + $188 + $195

But all the numbers are close to $200. Hence:

Using clustering method = $200 + $200 + $200 + $200 + $200 + $200 = 6 * $200 = $1200

4 0
2 years ago
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