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galben [10]
3 years ago
8

The diagram shows a triangle.The sizes of the angles, in degrees, arex 30Work out the value ofx.Diagram NOTaccurately drawn

Mathematics
1 answer:
Korvikt [17]3 years ago
4 0
X=25 degrees

2x+3x+x+30 = 180
6x+30 = 180
180 - 30 = 150
6x = 150
150/6 = 25
X = 25
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What is 5s-9<2s+12
IRINA_888 [86]

5s-9 < 2s+12\ \ \ \ \ |\text{add 9 to both sides}\\\\5s < 2s+21\ \ \ \ |\text{subtract 2s from both sides}\\\\3s < 21\ \ \ \ |\text{divide both sides by 3}\\\\\boxed{x < 7\to s\in(-\infty,\ 7)}

5 0
3 years ago
A coin is tossed eight times. How many different outcomes are there?
Viefleur [7K]

The total number of different outcomes of the toss are 256.

<u>Explanation:</u>

Given:

Coin is flipped 8 times.

Number of different outcomes, n = ?

A coin is flipped eight times where each flip comes up either

heads or tails.

Considering the order of the results from each toss does matter.

Each toss has two possibilities  and the number of toss is 8.

Thus, the total outcome of the toss = 2⁸

n = 256

Therefore, total number of different outcomes of the toss are 256.

5 0
3 years ago
You and your friend are rolling number cubes. Each cube has 6 sides with the numbers 1 to 6. If a sum of 7 is rolled, your frien
Ad libitum [116K]
You don't list the "sums listed below" but I can still help you.
There are 6 ways to get a sum of 7 using a pair of dice:
1+6
6+1    You might be asking why 2+5 isn't the same as 5+2
2+5      Imagine the dice are different colors.  Is a red 2 and green 5 the
5+2          same as a green 2 and red 5?  (No, it's not)
3+4
4+3
You need two numbers that also provide 6 ways to win.  One pair that would work is 11 and 9   There are two ways to make 11 (5+6) and (6+5)  and there are four ways to make 9 (3+6), (6+3) (4+5) and (5+4) - that's a total of six ways.  So to balance your friend's 7 - you could go for sums of 11's and 9's.  Check the choices you were given and find the numbers (it could be three numbers like 2,3, and 12) that give you 6 ways to win.
Here are the numbers and their ways
Sum of the dice                          Ways to get it
2                                                      1
3                                                      2
4                                                      3
5                                                      4
6                                                      5
7                                                      6
8                                                      5
9                                                      4
10                                                    3
11                                                    2
12                                                    1


5 0
3 years ago
Read 2 more answers
X – 18 = 2 ? What Is The Answer ?
BlackZzzverrR [31]

Answer:

x=20

Step-by-step explanation:

4 0
3 years ago
A band performed at halftime during the football game. There were 64 band members marching in 8 equal rows. How many band member
KiRa [710]
64/8=8

The answer is 8 band members in each row
3 0
3 years ago
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