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Andrew [12]
3 years ago
8

Whats the solution to this equation? 3x-9=12

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0

Answer:

x=7

Step-by-step explanation:

3x-9=12

add 9 to both sides

3x=21

divide both sides by 3

x=7

xxMikexx [17]3 years ago
5 0

x=7

flububeblehehehhooo

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The value of -4 5/8 - x is positive. What are two possible values of x?
monitta

Answer:

-6, -7

Step-by-step explanation:

basically

-4 5/8 - x >0

so

x< -4 5/8

you just need 2 values less than -4 5/8

like -6 and -7

6 0
3 years ago
A model of a famous statue is 1 and one fourth inches tall. The actual statue is 6 and two thirds feet tall. What is the ratio o
Studentka2010 [4]
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3 years ago
Which best describes the meaning of the term theorem? A.A statement that is easily deduced from a proven theorem B.A conclusion
garik1379 [7]
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7 0
3 years ago
You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 3x-2y=7 equati
svetlana [45]

Answer:

x = 31/9 and y = 5/3

Step-by-step explanation:

It is given that,

3x - 2y = 7  -----(1)

3x + 4y = 17 ----(2)

<u>To find the solution by elimination method</u>

Step 1: Subtract eq(2) from eq(1)

3x - 2y = 7  -----(1)

<u> 3x + 4y = 17 </u>----(2)

0  - 6y = -10

6y = 10

y = 10/6 = 5/3

Step 2: Substitute the value of y in eq (1)

  3x - 2y = 7  -----(1)

  3x  - 2*(5/3) = 7

  3x = 7 + 10/3

  3x = 31/3

   x = 31/9

Therefore x = 31/9 and y = 5/3

5 0
3 years ago
Read 2 more answers
There are as many 5p coins as 1p coins in the bag.
nekit [7.7K]

Answer:

160

Step-by-step explanation:

In math, the word of means multiply. :)

3/8 * 640 = 240, so there are 240 1p coins.

there are the same number of 5P coins, so there are 240 5p.

640 - 1p - 5p = 2p

640-240-240 = 160, so there are 160 2p coins.

6 0
2 years ago
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