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Zarrin [17]
3 years ago
12

20 points help + brainlyist

Mathematics
1 answer:
allsm [11]3 years ago
8 0

Answer:

20 I know because I know

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Which pair of variables would most likely have a negative association?
Svetlanka [38]

Answer:

C the temperature and the number of votes a candidate for the school president receives.

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I need help with rates ratios and properties. ​
Anna71 [15]

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What Is the solution to the system of equations? Y=-3x-2<br> 5x+2y=15
snow_tiger [21]

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x,y=-19,55

Step-by-step explanation:

plug in y.

5x+2(-3x-2)=15

5x-6x-4=15

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3 0
3 years ago
Can some please help me do this? Thanks
madreJ [45]
Slope intercept form is y=MX+b.
M is the slope, x is the x intercept, and b is the y intercept

the slope is
\frac{ - 2}{1}
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so the point slope formula is
y =  \frac{ - 2}{1} 0.5 + 1
4 0
3 years ago
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A researcher is conducting a study of charitable donations by surveying a simple random sample of households in a certain city.
nirvana33 [79]

Answer:

H0: p ≤ 0.50

Ha: p > 0.50

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above;

Let p represent the proportion of households in the city that gave a charitable donation in the past year

The null hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is not more that 0.50

H0: p ≤ 0.50

The alternative hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is more that 0.50

Ha: p > 0.50

7 0
3 years ago
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