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lara31 [8.8K]
3 years ago
10

I need to find the value of x!!!

Mathematics
1 answer:
DanielleElmas [232]3 years ago
8 0

Answer:

x = 27

Step-by-step explanation:

3x + x + 72 = 180

3x + x + 72 [-72] = 180 [-72]

4x = 27

4x [/4] = 180 / 4

x = 27

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A board 30 metres long is to be divided into 2pieces so that the larger piece is 3 metres longer than twice the shorter piece. H
yawa3891 [41]

Answer: 9 and 21

Step-by-step explanation:

board=30m

divide by 2 pieces

one piece, we call it a

b, the other piece is b= 2a+3

a+b=30

a+2a+3=30

3a=30-3

3a=27

a=9

b=21

6 0
2 years ago
Read 2 more answers
An 8-sided fair die is rolled twice and the product of the two numbers obtained when the die is rolled two times is calculated.
Mumz [18]

Answer:

See below

Step-by-step explanation:

When you roll an 8-sided die twice, the sample space is the set of all possible pairs (x,y) where x is the first outcome and y is the second outcome.

The sample space is:

[(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6),(1, 7),(1, 8)\\(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6),(2, 7),(2, 8)\\(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6),(3, 7),(3, 8)\\(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6),(4, 7),(4, 8)\\(5, 1), (5, 2), (5, 3), (5, 4), (5, 5),(5, 6),(5, 7),(5, 8)\\(6, 1), (6, 2), (6, 3), (6, 4)(6, 5),(6, 6),(6, 7),(6, 8)\\(7, 1), (7, 2), (7, 3), (7, 4)(7, 5),(7, 6),(7, 7),(7, 8)\\(8, 1), (8, 2), (8, 3), (8, 4)(8, 5),(8, 6),(8, 7),(8, 8)]

The sample space of the product xy of each outcome forms the required possibility diagram.

This is given as:

1, 2, 3, 4, 5, 6,7,8\\2, 4, 6, 8, 10, 12,14,16\\3,6,9,12,15,18,21,24\\4,8,12,16,20,24,28,32\\5,10,15,20,25,30,35,40\\6,12,18,24,30,36,42,48\\7,14,21,28,35,42,49,56\\8,16,24,32,40,48,56,64

8 0
3 years ago
What should replace the ? to make the<br> following statement true?<br> ?<br> 9/11 = ?/88
Feliz [49]

Answer:

72

Step-by-step explanation:

9/11 = ?/88

<em>multiply each side by 8 (because 88 divided by 11 is 8)</em>

72/88 = ?/88

<em>multiply each side by 88</em>

72 = ?

5 0
2 years ago
PLEASE HELP WITH MY MATH!!!!!!!!!!!!!!!!!
lozanna [386]

I think it would be c if it were a greater rate I don't know if i am right I'll check back with you guys on the answer

3 0
3 years ago
Read 2 more answers
-1.4 -1 and 1/25 -1.25 least to greatest
never [62]
-1.4, -1.25, 1/25 is the answer
4 0
3 years ago
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