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MissTica
2 years ago
5

PLEASE HELP AND EXPLAIN!!!!

Mathematics
2 answers:
meriva2 years ago
6 0

Answer:

y=3x+8

Step-by-step explanation:

8+3=11

8+6=14

alekssr [168]2 years ago
4 0

Answer:

y =3x

Step-by-step explanation:

because the cost is 3x y

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If 4 electricians can complete a job in 8 hours how long will it take 3 electricians to complete the same job
levacccp [35]
We know that

if <span>4 electricians can complete a job in 8 hours
then
</span>100% of a job -------> 8 hours
x------------------> 1 hour
x=100/8----> x=12.5%

divide by 4 electricians
12.5%/4-----> 3.125%
that means each electrician can complete 3.125% of a job in 1 hour

therefore
3 electricians-----> 3*3.125%----> 9.375% in 1 hour
so
9.375%-----------> 1 hour
100%--------------> x
x=100/9.375----> x=10.67 hours

the answer is
10.67 hours

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3 years ago
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Gwar [14]

Answer:

6(1-x) is the answer your looking for if I'm right

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3 years ago
The gas tank in your vehicle holds 12 gallons of gas. If you get 30 miles per gallon, how many miles can you drive on a full tan
sladkih [1.3K]

Answer:

you can get 360 miles on a full tank

Step-by-step explanation:

3 0
2 years ago
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The probability of a customer arrival at a grocery service counter in any one second is equal to 0.3. Assume that customers arri
Svetllana [295]

Answer:

Step-by-step explanation:

Given that the probability of a customer arrival at a grocery service counter in any one second is equal to 0.3

Assume that customers arrive in a random stream, so an arrival in any one second is independent of all others.

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a) the probability that the first arrival will occur during the third one-second interval.

= Prob that customer did not arrive in first 2 seconds * prob customer arrive in 3rd sec

= 0.7^2 (0.3)\\= 0.147

b)  the probability that the first arrival will not occur until at least the third one-second interval.

Prob that customer did not arrive in first two seconds *(Prob customer arrives in 3rd or 4th or 5th.....)

=(0.7^2)[0.3+0.7*0.3+0.7^2*0.3+....)\\

The term inside bracket is a geometric infinite progression with common ratio - 0.7 <1

Hence the series converges

Prob =0.7^2 *\frac{0.3}{1-0.7} \\=0.49

5 0
3 years ago
The property a/bxc/d=c/d x a/b is know as what property
makvit [3.9K]

Answer:

commutative property

Step-by-step explanation:

commutative property is where you can change how you multiply without changing your answer

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3 years ago
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