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Andre45 [30]
1 year ago
13

The equations in elimination method are written in the standard form as _______________.ax - by = cax + by + c = 0Ax + By = Cax

- by - c = 0
Mathematics
1 answer:
laiz [17]1 year ago
8 0

Step 1

Given; The equations in the elimination method are written in the standard form as ____

Step 2

Simultaneous linear equations can be solved using the elimination method. First of all, make sure that the equations are written in the standard form either Ax+By=C or Ax+By+C=0. In this method, we multiply both the equations with a non-zero number to make the coefficients of any one variable equal.

Thus the answer is; The equations are written in standard form as seen below

Ax+By=C

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Math help :) pleasee , and thnx
mylen [45]

Answer:

The ball is in the air for approximately 3.27 seconds ⇒ answer A

Step-by-step explanation:

* Lets explain how to solve the problem

- The height of the ball is modeled by the function

  h(t) = -4.9 t² + 16 t

- We need to find the time that the ball is in the air

- The ball is in the air from its initial position and then return to the

   same position

- That means h(t) = 0 because h(t) represent the height of the ball

  from its initial position

∵ h(t) = -4.9 t² + 16 t

∵ h(t) = 0

∴ 0 = -4.9 t² + 16 t

- Add 4.9 t² to both sides

∴ 4.9 t² = 16 t

- Subtract 16 t from both sides

∴ 4.9 t² - 16 t = 0

- Take t as a common factor

∴ t (4.9 t - 16) = 0

- Equate each factor by 0

∴ t = 0 and 4.9 t - 16 = 0

∵ 4.9 t - 16 = 0 ⇒ add 16 for both sides

∴ 4.9 t = 16

- Divide both sides by 4.9

∴ t = 3.2653

∴ t = 0 ⇒ initial position

∴ t = 3.2653 seconds ⇒ final position

* <em>The ball is in the air for approximately 3.27 seconds</em>

6 0
4 years ago
What is 5/4 - 1 = <br> it would also help if it was in simplest form<br> Thanks.
andrew-mc [135]
Answer: 1/4

1. Convert 1/1 into fourths
1/1 = 4/4

2. Evaluate
5/4 - 4/4 = 1/4
6 0
3 years ago
Read 2 more answers
Solve for angle 1 i got an answer but i dont know if it’s right
Alexeev081 [22]

Answer:

73

Step-by-step explanation:

72 - 35 = 107

180 - 107 = 73

107 + 73 = 180

4 0
2 years ago
Read 2 more answers
Answer this 4(−12)(−3)
KatRina [158]

Answer:

144

Step-by-step explanation:

3 0
4 years ago
A warehouse distributor of carpet faces a normally distributed demand for its carpet. The average demand for carpet from the sto
dimulka [17.4K]

Answer:

There is a 25.14% probability that the order will not be met during a month.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X. Subtracting 1 by the pvalue, we This p-value is the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 4500, \sigma = 900.

The order will not be met if X > 6000. So we find the pvalue of Z when X = 6000, and subtract 1 by this value.

Z = \frac{X - \mu}{\sigma}

Z = \frac{6000 - 4500}{900}

Z = 1.67

Z = 1.67 has a pvalue of 0.7486.

So there is a 1 - 0.7486 = 0.2514 = 25.14% probability that the order will not be met during a month.

3 0
3 years ago
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