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34kurt
3 years ago
11

Paul was asked to use the elmination to find the solution to the system of linear equations

Mathematics
1 answer:
Georgia [21]3 years ago
3 0

Answer:9y-10y+1=-26

Step-by-step explanation:

Combine like terms and then keep your process going from there

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If it takes 5 hour to paint 5/6 of a truck,how long will it take to paint the whole truck
Softa [21]

Answer:

6 hours.

Step-by-step explanation:

5/6 / 5 is 1/6. 6 divided by 1 out of 6 is 6. so 6 hours

3 0
3 years ago
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What is the 9th term of (2x+3)^10<br><br><br> PLEASEEEEEEE ANSWERRRRR
Bond [772]

Answer:

1.668x10^13

Step-by-step explanation:

5 0
3 years ago
Solve for x. <br>Bx (4x + 30) F bisects &lt;CDE.​
EleoNora [17]

Answer:

8x = 4x+30

x=7.5

Hope this helps!! Have a good day and remember to be tiger fierce!! :)

5 0
2 years ago
A design engineer wants to construct a sample mean chart for controlling the service life of a halogen headlamp his company prod
tekilochka [14]

Answer:

C) 515 hours.

D) 500 hours

c) sample 3

Step-by-step explanation:

1. Sample 2 mean = x2`= ∑x2/n2= 2060/4= 515 hours

Sample Service Life (hours)

1                2              3

495      525            470

500         515           480

505        505            460

<u>500         515             470        </u>

<u>∑2000     2060         1880</u>

x1`= ∑x1/n1= 2000/4= 500 hours

x2`= ∑x2/n2= 2060/4= 515 hours

x3`= ∑x3/n3= 1880/4=  470 hours

2. The mean of the sampling distribution of sample means for whenever service life is in control is 500 hours . It is the given mean in the question and the limits are determined by using  μ ± σ , μ±2 σ  or μ ± 3 σ.

In this question the limits are determined by using  μ ± σ .

3. Upper control limit = UCL = 520 hours

Lower Control Limit= LCL = 480 Hours

Sample 1 mean = x1`= ∑x1/n1= 2000/4= 500 hours

Sample 2 mean = x2`= ∑x2/n2= 2060/4= 515 hours

Sample 3 mean = x3`= ∑x3/n3= 1880/4=  470 hours

This means that the sample mean must lie within the range 480-520 hours but sample 3 has a mean of 470 which is out of the given limit.

We see that the sample 3 mean is lower than the LCL. The other  two means are within the given UCL and LCL.

This can be shown by the diagram.

8 0
2 years ago
What is the answer Timothy curtain company is making curtains for a local hotel he wants each certain to be 48 inches long at th
Travka [436]

Answer:

180 feet

Step-by-step explanation:

The length of each curtain = 48 inches. Let the length of the curtain in feet be represented by x.

But,

1 inch = 12 feet

So that,

48 inches = x feet

⇒ x = \frac{48}{12}

      = 4

Thus,

48 inches = 4 feet

The number of feet of fabric needed for 45 curtains can be determined as:

45 x 4 feet = 180 feet

Therefore, 180 feet of fabric would be needed to make 45 curtains.

7 0
3 years ago
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