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3 years ago

What is the sum of the polynomials? (m + n + 3) + (m + n + 4)

Mathematics

2 answers:

Ainat [17]3 years ago

4 0

Answer:

i honestly dk but need help

Step-by-step explanation:

Karo-lina-s [1.5K]3 years ago

4 0

Answer:

2m+2n+7

Step-by-step explanation:

See image below:)

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a patio is 6.21 meters and its width is 5.7 what is the approximate perimeter of the patio round your answer to nearest whole nu

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Answer:7.5

Step-by-step explanation:

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The director of the library calculates that 29% of the library's collection is checked out. If the director is right, what is th

marusya05 [52]

Answer:

The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.

Step-by-step explanation:

The population's proportion is $\pi=0.29$

If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

$\sigma_M=\sqrt{\frac{\pi(1-\pi)}{n}}=\sqrt{\frac{0.29*0.71}{412}}=\sqrt{0.0005} =0.0224$

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

$z_1=(0.25-0.29)/0.0224=-0.04/0.0224=-1.7857\\\\z_2=1.7857\\\\\\P(0.25$

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3 years ago

What is the d stand for????

SOVA2 [1]

Answer:

The missing variable

Step-by-step explanation:

D=2

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3 years ago

(219,379.01 - x) / x = .3321

Ivahew [28]

Answer:x = 164686.592598

Step-by-step explanation:

219379.01−x/x = 0.3321

−x+219379.01/x = 0.3321

Step 1: Multiply both sides by x.

−x+219379.01≈0.3321x

−x+219379.01 − 0.3321x = 0.3321x−0.3321x (Subtract 0.3321x from both sides)

−1.3321x + 219379.01 = 0

−1.3321x + 219379.01 − 219379.01 = 0 − 219379.01 (Subtract 219379.01 from both sides)

−1.3321x = −219379.01

−1.3321x/−1.3321 = −219379.01/−1.3321

(Divide both sides by -1.3321)

x = 164686.592598

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3 years ago

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Anton leaves a cup of hot chocolate on the counter in his kitchen. Which graph is the best representation of the change in tempe

NNADVOKAT [17]

Answer:

Step-by-step explanation:

May I please see the graph?

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3 years ago