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Mice21 [21]
2 years ago
12

Can someone help with this too

Mathematics
1 answer:
krok68 [10]2 years ago
7 0

Step-by-step explanation:

13x - 26 °+ 5x +8° = 180° ( being co- interior angle)

13x + 5x - 26 °+ 8° = 180°

18x - 18 = 180°

18x = 180°- 18°

18x = 162°

x= 162° ÷ 18

x= 9°

hope it help

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Can someone help with this
VashaNatasha [74]
It’s -4 because it’s a negative slope first of all cause it’s going down, second you can see it goes down 4 then right 1 so the answer would be -4 :)
3 0
2 years ago
emma will roll two number cubes labeled 1 through 6. She will record the sum of the two numbers after each roll. She will roll t
SashulF [63]

Answer:

75 times

Step-by-step explanation:

First of all let's ook at the 36 possible outcomes and their sums.

2=1,1

3=1,2 2,1

4=1,3 ; 2,2 ; 3,1

5=1,4 ; 2,3 ; 3,2 ; 4,1

6=1,5 ; 2,4 ; 3,3 ; 4,2 ; 5,1

7=1,6 ; 2,5 ; 3,4 ; 4,3 ; 5,2 ; 6,1

8=2,6 ; 3,5 ; 4,4 ; 5,3 ; 6,2

9=3,6 ; 4,5 ; 5,4 ; 6,3

10=4,6 ; 5,5 ; 6,4

11=5,6 ; 6,5

12=6,6

Looking at the above, there are 4 sums equal to 5 out of a total of 36 sums.

Thus, probability of getting a sum equal to 5 is;

P(5) = 5/36

Now,since the cubes are rolled 540 times, number of times a sum equal to 5 will appear will be;

(5/36) x 540 = 75 times

4 0
3 years ago
If sin A = 8/17 and tan B = 40/9 and angles A and B are in Quadrant I, find the value of * tan(A + B) .
nirvana33 [79]

Step-by-step explanation:

tanA=8/15 and tan B=40/9

tan(A+B)=(tanA+tanB)/1-tanAtanB

(8/15+40/9)/1-(8/15×40/9)

=-672/185

3 0
2 years ago
Is six ninth equal to eight twelths ?
OleMash [197]

Answer:

yes, it is.

Step-by-step explanation:

6/9 = 24/36

8/12 = 24/36

7 0
3 years ago
Read 2 more answers
Which measure of central tendency best describes this situation the age of student in an eighth grade
Crank

Answer:

The first choice

Step-by-step explanation:

it is mostly saying you will be testing multiple students or just predicting either way it will be experimental meaning there likely are outliers. however the question is not super clear so this could always be wrong but i hope i helped u

4 0
2 years ago
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