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Mars2501 [29]
3 years ago
10

Write an inequality that would include (1,2) in the solution, but not (-3,8).

Mathematics
1 answer:
tester [92]3 years ago
8 0
'Of' in math means 'multiplied by,' so the equation that we can set up is:

So your answer is 320.
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(30 POINTS COME AND GET IT FOR A MULTIPLE CHOUCE XD) which of the following is the solution for s in the system of equation show
disa [49]

Answer:

  • (4) s = 20

Step-by-step explanation:

<u>Given system:</u>

  • r + 2s = 52
  • 2r - s = 4

Eliminate r to solve for s.

<u>To do so, double the first equation and then subtract the second one:</u>

  • 2r + 4s = 104
  • 2r - s = 4

<u>Subtract</u>

  • 4s - (-s) = 104 - 4
  • 5s = 100
  • s = 100/5
  • s = 20

Correct choice is (4) 20

3 0
3 years ago
Read 2 more answers
Find an expression which represents the difference when (-5x-y) is subtracted from (9x+2y) in simplest terms.
AnnyKZ [126]

Answer:

4x+y add like terms ... -5+9=4 and  -y(or -1)+2y=y

4 0
2 years ago
Experience raising New Jersey Red chickens revealed the mean weight of the chickens at
Nikolay [14]

Answer:

p-value = 0.1277

Step-by-step explanation:

p-value is the probability value tell us how likely it is to get a result like this if the Null Hypothesis is true.

Firstly we find the mean and standard deviation of the given data set.

⇒ Mean = \frac{4.41 +4.37+ 4.33+ 4.35 +4.30 +4.39 +4.36+ 4.38+ 4.40+ 4.39}{10}

⇒ Mean = 4.368

Standard deviation(\sigma) = \sqrt{\frac{1}{n}\sum_{i=1}^{n}{(x_{i}-\bar{x})^{2}} }

where, \bar{x} is mean of the distribution.

⇒ Standard Deviation = 0.034

Applying t- test:

Let out hypothesis is:

H₀: μ = 4.35

H₁: μ ≠ 4.35

Now,

Here, μ = Population Mean = 4.35

\bar{x}= Sample Mean = 4.368

σ = Standard Deviation = 0.034

n = 10

t=\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}} }

Putting all values we get, t = 1.6777 with (10 -1) = 9 degree of freedom.

Then the p-value at 99% level of significance.

⇒ p-value = 0.1277

6 0
3 years ago
Can someone help me with one question please And fast
m_a_m_a [10]

Answer:

equal to 4

Step-by-step explanation:

..................

5 0
3 years ago
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What is the definition of supplementary angles.
never [62]

Answer: either of two angles whose sum is 180°.

Step-by-step explanation:

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