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GREYUIT [131]
3 years ago
15

What are the remaining angle measures if the figure is to be a parallelogram

Mathematics
2 answers:
ale4655 [162]3 years ago
8 0

The correct answer is:

m∠B = 101°

m∠C = 79°

m∠D = 101°

|Huntrw6|

antoniya [11.8K]3 years ago
4 0

Answer: b=101 c=79 d=101


Step-by-step explanation:

since it is a parallelogram opposite angels are congruent a = c ad b=d

because we know a=79 c must equal 79

and because all the angles must add up to 360 add 79+79 = 158

then subtract from 360- 158= 202 then divide by 2 and this will give us the value for b and d b,d=101

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Which sets of ratios are a proportion? (Choose all that apply) *
vladimir1956 [14]

Answer:

<h2>Sets of Ratios that are Proportion</h2>

3/11 and 17/6

<h3>12/7 and 36/21</h3>

60/55 and 7/25

7/6 and 52/48

<h3>4/10 and 8/20</h3>

<h3>Solution:</h3>

> 12/7 and 36/21

\frac{12}{7}  =  \frac{36}{21}  \\ 12(21) = 36(7) \\ 252 = 252

> 4/10 and 8/20

\frac{4}{10}  =  \frac{8}{20}  \\ 4(20)  = 8(10) \\ 80 = 80

5 0
3 years ago
An article in Medicine and Science in Sports and Exercise ["Maximal Leg-Strength Training Improves Cycling Economy in Previously
Sholpan [36]

Answer:

[300.202 , 329.798]

Step-by-step explanation:

The 95% confidence interval is given by the interval

\large [\bar x-t^*\frac{s}{\sqrt n}, \bar x+t^*\frac{s}{\sqrt n}]

where

\large \bar x <em>is the sample mean  </em>

<em>s is the sample standard deviation  </em>

<em>n is the sample size (n = 7)  </em>

\large t^* is the 0.05 (5%) upper critical value for the Student's t-distribution with 6 degrees of freedom (sample size -1), which is <em>an approximation to the Normal distribution for small samples (n<30).</em>

Either by using a table or the computer, we find  

\large t^*= 2.447

and our 95% confidence interval is

\large [315-2.447*\frac{16}{\sqrt{7}}, 315+2.447*\frac{16}{\sqrt{7}}]=\boxed{[300.202,329.798]}

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3 years ago
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3 years ago
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6 0
3 years ago
Read 2 more answers
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