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boyakko [2]
3 years ago
8

A single box of thumb tacks weighed 3 1/2 ounces. If a teacher had 4 1/7 boxes how much would their combined weight be ?

Mathematics
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:14.5

Step-by-step explanation:

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15c² - 5c. Factorise completely ​
KATRIN_1 [288]

Looking at the problem, what we must do to complete this question is to completely factor the expression that was provided.  The expression that was provided is 15c^2 - 5c.

The first step that we must do is to take a look at the expression and see what the two pieces of the expression have in common.  We can see that both 15c^2 and -5c have the number 5 and the variable c associated with them so we can factor out those two.

<u>Factor out 5c</u>

  • 15c^2 - 5c
  • 5c(\frac{15c^2}{5c}) - 5c(\frac{5c}{5c})
  • 5c(3c) - 5c(1)
  • 5c(3c - 1)

Now we have completely factored out the expression that was provided in the problem statement and we came to final answer of 5c(3c - 1).

7 0
2 years ago
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sukhopar [10]

Answer:

no habla español

Step-by-step explanation:

5 0
3 years ago
Carol used 1.8 gallons of paint for a barn.She used 1/5 of the remaining paint for a dog house. She had 2/7 paint left. How much
Lilit [14]
1 4/5 + 1/5 + 2/7 =

1 28/35 + 7/35 + 10/35 =

1 45/35 = 2 35/45 =

2.78 gallons rounded to the nearest hundredth
5 0
3 years ago
Topic is Sets, please help​
vredina [299]
I couldn’t see the whole picture so I’m not sure if I could really help I’m sorry maybe next time
8 0
3 years ago
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Given the function f(x)=4x^8+7x^7+1x^6+1 What is the value of f(−2)?
qwelly [4]
<span> f(x)=4x^8+7x^7+1x^6+
</span>∴<span> f(-2)=4(-2)^8+7(-2)^7+1(-2)^6+1
</span>∴ <span>f(-2)=(4x256) + (7x-128) + (1x64) +1
</span>∴ <span>f(-2)=1024 - 896 + 64 +1
</span>∴ <span>f(-2)= 193</span>
7 0
4 years ago
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