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sergeinik [125]
2 years ago
5

What is the perimeter of a polygon with vertices at ​(3, 2)​, ​ ​(3, 9)​​, (7, 12), ​(11, 9)​​, and ​​ ​(11, 2)​?

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
8 0

Answer:

32 units

Step-by-step explanation:

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-2=-(n-8) need help to answer this
Neporo4naja [7]
The answer is n=10 I already did this
7 0
3 years ago
Need help pls answer asap. Sorry the photo quality is bad.
castortr0y [4]

Answer:

Step-by-step explanation:

1 + 3 = 4

so find the point 1/4 of the way from (-1, 2) to (7, 8)

x coordinate

Δx = ¼(7 - (-1)) = 2

x = x₀ + Δx

x = -1 + 2 = 1

y coordinate

Δy =  ¼(8 - 2) = 1½

y = y₀ + Δy

y = 2 + 1½ = 3½

(1, 3½)

4 0
3 years ago
What is the perimeter of trapezoid ABCD?
vitfil [10]
I think B but don't take my word!!!
3 0
3 years ago
Read 2 more answers
Determine the missing side length:
musickatia [10]

Answer:

The missing side length is 3 units long.

Step-by-step explanation:

Use the Pythagorean Theorem where c²=a²+b²,

c=2√3, c²=12

a²=√3, a²=3

Solving for the missing side yields a side length of 3.

7 0
3 years ago
Use the table of systolic blood pressures (in mm Hg) in each arm
e-lub [12.9K]

Answer:

The 90% confidence interval would be given by (63.330;81.070)

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Let put some notation

x=left arm , y = right arm

x: 175 169 182 146 144

y: 102 101 94 79 79

Since the Confidence is 0.90 or 90%, the value of a = 0.1 and a/2= 0.05we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.05,4)".And we see that ta/2= 2.13

3 0
2 years ago
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