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Stels [109]
2 years ago
6

Select all expressions equivalent to 6x + 12 – 4x – 3 + 3x.

Mathematics
1 answer:
KengaRu [80]2 years ago
6 0

Answer:

First task: 2., 5.

Second task: 1., 2.

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carley beat the school record for the 400 meter run by 1.3 seconds. if she ran the race in 55.7 seconds what was the record?
Vika [28.1K]

Answer:

If Carley ran the 400 meter run in a total of 55.7 seconds and she beat the record by 1.3 seconds, you would add 55.7 and 1.3

55.7+1.3= 57 seconds

The past school record for the girls 400 meter run was 57 seconds

Hope this helps ;)

4 0
3 years ago
(PLEASE ANSWER: TIMED)The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation I(dB)=1
Mrac [35]
For this case we have the following equation:
 l(dB) = 10log( \frac{l}{lo} )
 We must replace the following value in the equation:
 l = 10^8lo
 Substituting we have:
 l(dB) = 10log( \frac{10^8lo}{lo} )
 Simplifying the given expression we have:
 l(dB) = 10log(10^8)
 Then, using logarithm properties in base 10, we can rewrite the expression:
 l(dB) = 10(8)
 Finally, making the product, the result is:
 l(dB) = 80
 Answer:
 
l(dB) = 80
 option 4
3 0
3 years ago
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The radius of a circle is 3.5 inches. What is the area of the circle? Use pi = 3.14 3.5 sq.inches 21 sq.inches 35.45 sq.inches 3
Talja [164]
21 sq inches bc it just is i think :))
3 0
3 years ago
HURRY THIS IS TIMED. I WILL GIVE BRANIEST IF CORRECT. EXPLAIN YOUR ANSWER!! THX
Aleks [24]

Answer: A and c

Step-by-step explanation: because they are the only ones that have p,x,m and not just seperate.

4 0
2 years ago
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Create a word problem add and subtraction
MrMuchimi

Answer:

If oscar had 3 apples then he took 2 from Tim and gave 1 to Mike.How many apples does he have?

Step-by-step explanation:

3 0
3 years ago
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