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BartSMP [9]
3 years ago
9

On 7 jobs, a welder charges 3.5 hours, 9.5 hours, 4 hours, 5.5 hours, 12 hours, 8.5 hours, and 6 hours. Find the average hours b

illed per job.
Mathematics
1 answer:
defon3 years ago
3 0
All you need to do is add all 7 job hours, and divide the total by 7. Your answer should be 7
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HELP !!!!!!!!!! What percent and degrees of the pie have been eaten?
Fofino [41]

Answer:

About 1/5 or 20%

Step-by-step explanation:

If the pie is cut in slices equal to the one eaten, there will be 5. And since one is eaten there are 4/5 left, or 1/5 taken.

7 0
3 years ago
The period of f(x)=cos (2pi/3)x is ...?
Zigmanuir [339]
Well lets see. if you're  being specific about the rigor,  then the period means that <span>cos(2Π÷3(x+α))=cos(2Π÷3(x))</span>Therefore this gives <span>2π÷3α=2π</span>so α = 3.
Hope this can help you
5 0
3 years ago
Is x=4 a solution to the equation 6=x+2? Is it a solution to the inequality 2x≥9?
jek_recluse [69]

Answer:

Is x = 4 a solution to the equation 6 = x + 2? YES

Is x = 4 a solution to the inequality 2x ≥ 9? NO

Step-by-step explanation:

Is x = 4 a solution to the equation 6 = x + 2? YES

we cans solve the equation 6=x+2 by clearing for x:

6 = x + 2

we move the +2 on the right as a -2 to the left:

6 - 2 = x

4 = x

this way we find that indeed x = 4 is a solution to 6 = x + 2.

Is x = 4 a solution to the inequality 2x ≥ 9? NO

Let's solve the inequality by clearing for x:

2x ≥ 9

we move the 2 that is multiplying on the left to divide on the right side:

x ≥ 9/2

x ≥ 4.5   ⇒ <u>x must be greater than or equal to 4.5</u>

thus, <u>4 is not a solution to the inequality</u> because 4 is less than 4.5

3 0
3 years ago
Find 5/16 of £180 please help as soon as possible
Zanzabum

Answer:

56.25

Step-by-step explanation:

so basically you divide 180 by the denominator of the fraction which is 16 and multiply by the numerator, so 180 divided by 16 times 5 cool i guess

3 0
1 year ago
If vowels cost $15 each and consonants cost $50 each what what word could cost $230
Alexeev081 [22]
Steaks

s,t,k,s = 4 x 50 = 200
e,a = 2 x 15 = 30

200 + 30 = 230
4 0
3 years ago
Read 2 more answers
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