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anastassius [24]
3 years ago
8

PLS HELP! 30 POINTS AND BRAINLIEST!!!

Mathematics
2 answers:
igomit [66]3 years ago
4 0

Answer:

C. m<1 + m<5 = 180

Step-by-step explanation:

Elena-2011 [213]3 years ago
3 0

Answer:

C. m<1 + m<5 = 180  (reason: they are consecutive angles, and should be congruent)

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A drug company is testing a new drag which is supported to reduce blood pressure. From the nine people who are used as subjects,
Pie

Answer:

The 95% confidence interval for the mean change in blood pressure, \bar{x}, is 1.744 < \bar{x} < 2.816

Step-by-step explanation:

The parameters given are;

The number of people in the sample, n = 9

The average drop in blood pressure, \bar{x} = 2.28 points

The standard deviation, σ = 0.82

The confidence level = 95%

The formula for confidence interval with a known mean is given as follows;

CI=\bar{x}\pm z_{\alpha/2} \dfrac{\sigma}{\sqrt{n}}

Where:

z_{\alpha/2} = z - score at 95% confidence level = 1.96

We therefore have;

CI=2.28 \pm 1.96 \times \dfrac{0.82}{\sqrt{9}}

Which gives the 95% confidence interval for the mean change in pressure, \bar{x}, is given as follows;

1.744 < \bar{x} < 2.816

6 0
2 years ago
Can you please help me with this question? thank you!!!
Rufina [12.5K]

Answer:

The top box in the middle, should be 15.

The bottom box on the left should be 1.5

3 0
2 years ago
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Write 43 as a sum of powers of 2.<br> (2 Has to be the Base not the exponent)
slamgirl [31]

Answer:

2⁰ + 2¹+ 2⁵ +2³ = 43

Step-by-step explanation:

since 43 is odd, we know 2⁰ or 1 must be one of the sums

43 - 2⁰ = 42

42 - 2¹ = 40

16 = 2⁴

40-2(16) = 40 - 2⁵ = 8

8 = 2³

adding this all together

2⁰ + 2¹+ 2⁵ +2³ = 43

6 0
3 years ago
In hear how do you see how many points do i have?
ankoles [38]
Go to your profile and you should see it
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12/9=20/y<br><br> solve for Y<br> what is Y?
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2021 is the answer ........
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