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S_A_V [24]
4 years ago
7

Find the solution to the system by the substitution method

Mathematics
1 answer:
sertanlavr [38]4 years ago
8 0
The solution is (6,-3) 
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What is 3 divided by what equals 36
Vedmedyk [2.9K]
3/x=36

Multiply both sides by x
3=36x

Then divide both sides by 36
3/36=x
1/12=x

Final answer: 1/12
6 0
3 years ago
An investigative bureau uses a laboratory method to match the lead in a bullet found at a crime scene with unexpended lead cartr
Firlakuza [10]

Answer:

Step-by-step explanation:

Given that, we have 1851 bullets that we KNOW are NOT MATCHES of one another. One by one they examine two bullets at a time.

So, there are 1851 bullets but each time we choose 2.

We have, N choose K = N! / K! (N-k)!

Here, N = 1851 and K = 2

Therefore, 1851 choose 2 = 1851! / 2! (1851-2)!

                                         = 1851! / 2! * 1849!

                                         = 1712175 Possible Combinations

Out of these 653 are false positive.

The chance of getting false positive is = 658 / 1712175

                                                            = 0.000384

                                                           = 0.0384 %

Therefore, The correct option is

The chance of false positive is 0.0384% Because this probability is sufficiently small (< or = 1%) There is high confidence in the agency's forensic evidence.

3 0
4 years ago
find the distance traveled by a train on a circular track road with radius of 78.8 m which will cause the train to change direct
dangina [55]
Check the picture below.

3 0
3 years ago
I need this answer asap! Thanks, See attached image bellow. <br> 40+ points!
Wewaii [24]

Answer:

rectangle

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
For the dilation, DO, K = (10, 0) → (5, 0), the scale factor is equal to _____. -5 5 0.5 2
ozzi

Answer:

The scale factor of the following dilation is, 0.5

Step-by-step explanation:

The rule of dilation with scale factor k is given by:

(x, y) \rightarrow (kx, ky)

As per the statement:

Given the following dilation:

(10, 0) → (5, 0)                 .....[1]

We have to find the scale factor.

Using the above rule we have;

(10, 0) \rightarrow (10k, 0k)

Now compare this with equation [1] we have;

(10k, 0) = (5, 0)

⇒10k = 5

After solving we get;

k = \frac{1}{2}=0.5

Therefore,  the scale factor of the following dilation is, 0.5

3 0
3 years ago
Read 2 more answers
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