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gladu [14]
3 years ago
9

Help pleaseeeeeeeeeee

Mathematics
1 answer:
Drupady [299]3 years ago
8 0
They are alternate exterior angles which means they have the same degree

Solution: 70 degree
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) Factor 9x² + 6x + 12x + 8.​
hram777 [196]

Answer:

(3x+4)(3x+2)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A) give stating reasons five other angles each equal to x<br>b) prove that AECF is a parallelogram ​
Gennadij [26K]

Simple Proof:

a) In the image, we know that ABCD is a parallelogram and that means opposite angel measures should be the same. We know that angel DCB is made up by angel 1 and 2, and angel DAB and DCB are equal and angel DAB is made up by angel 1 and <em>x</em>. So now we can conclude that angel <em>x</em> is equal to angel 2.

b) According to the definitions of a parallelogram, opposite angel measures have to be the same, while AECF have angle 1 to angel 1 and angel 2 to angel 1. We can conclude that AECF is <u>NOT</u> a parallelogram. (Sorry, you didn't give me the full question so some information remains unclear. )

7 0
3 years ago
Someone that's good at 3.14 pie help ????
Ugo [173]
Its B. 28.26
45pi-36pi=9pi ~28.26
3 0
4 years ago
A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distrib
jek_recluse [69]
The z-value that corresponds to a two-tailed 95% confidence interval is z = +/- 1.96. Then the bounds of the confidence interval can be determined as:
Lower bound = mean - z*SD/sqrt(n) = 20 - 1.96*2/sqrt(100) = 20 - 0.12 = 19.88 hours
Upper bound = mean + z*SD/sqrt(n) = 20 + 1.96*2/sqrt(100) = 20 + 0.12 = 20.12 hours
So the first choice is the correct answer: 19.88-20.12 hours
7 0
3 years ago
What is the reciprocal of 1 3/13
maria [59]

Answer:

13/16

Step-by-step explanation:

First, write 1 3/13 as a fraction.

1 3/13 = 1 + 3/13 = 13/13 + 3/13 = 16/13

The reciprocal of 16/13 is 13/16.

Answer: 13/16

4 0
3 years ago
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