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Marrrta [24]
2 years ago
8

Find the measure of angle b

Mathematics
2 answers:
Zina [86]2 years ago
6 0

Answer:

127

Step-by-step explanation:

Alt. Interior andgles are congruent

torisob [31]2 years ago
4 0

Answer: 127°

Step-by-step explanation:

The given 127° angle and b are alternate interior angles, so by the AIA (Alternate Interior Angles) Theorem, the angles are congruent. Therefore, m∠b = 127°.

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10. A triangle has sides with lengths 3,5, 7. Is this an acute, obtuse, or right<br> triangle?
satela [25.4K]

Answer:

OBTUSE

Step-by-step explanation:

You would first have to figure this put via Pythagorean theroem. Basically do this (attachment)***C IS THE LARGEST NUMBER*** and know that c^2 < a^2 + b^2 (less than) = ACUTE, c^2 > a^2 + b^2 (greater than) = OBTUSE, and c^2 = a^2 + b^2 is RIGHT. If it is Right with all different numbers, it is SCALENE.

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3 years ago
HELP ME ASAP!!! A cargo plane left Los Angeles seven hours before an Air Force plane. The planes flew in opposite directions. Th
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The cargo plane's speed was 500 mph.

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2 years ago
Define the opposite and the absolute value of 6
Yakvenalex [24]
The opposite is a negative so the answer would be -6
5 0
3 years ago
Read 2 more answers
I need help with these. They are hard.<br><br>​
iragen [17]

Answer:

Find the explicit from for the sequence t_n=t_{n-1}+4,t=6:

a_n=4n+2

This next question I edited a bit.  Your question just says find the four terms.  I'm assuming they meant the first four. I also changed the c to an a.

Find the first four terms of the sequence given by: a_n=n a_{n-1}-3,a_1=2:

a) 2,1,0.-3

You might want to read that second question again because there is errors in the question or things that don't really make sense.  I made my own interpretation of the problem based on my own mathematical experience.

Step-by-step explanation:

So your first question actually says that you can find a term by taking that term's previous term and adding 4.

So more terms of the sequence starting at first term 6 is:

6,10,14,18,....

This is an arithmetic sequence.  When thinking of arithmetic sequences you should just really by thinking about equations of lines.

Let's say we have this table for (x,y):

x  |   y

----------

1      6

2    10

3     14

4     18

So we already know the slope which is the common difference of an arithmetic sequence.

We also know point slope form of a line is y-y_1=m(x-x_1) where m is the slope and (x_1,y_1) is a point on the line.  You can use any point on the line. I'm going to use the first point (1,6) with my slope=4.

y-6=4(x-1)

y=6+4(x-1)    :I added 6 on both sides here.

y=6+4x-4     :I distribute here.

y=4x+2        :This is what I get after combining like terms.

So a_n=y and x=n so you have:

a_n=4n+2

---------------------------------------------------------------------------------------

The first four terms of this sequence will be given by:

a_1,a_2,a_3,a_4

a_1=2 so it is between choice a, c, and d.

a_n=na_{n-1}-3

To find a_2 replace n with 2:

a_2=2a_{1}-3

a_2=2(2)-3

a_2=4-3

a_2=1

So we have to go another further the only one that has first two terms 2,1 is choice a.

7 0
2 years ago
Which survey question will produce discrete data? Select all that apply.
svlad2 [7]

Answer:

6. What is the area of a circle you drew?

Step-by-step explanation:

7 0
2 years ago
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