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Tanzania [10]
2 years ago
12

Factorise 18a²y - 27ay?​

Mathematics
2 answers:
klio [65]2 years ago
7 0

Step-by-step explanation:

9ay(2a-3)

hope it is helpful to you

nexus9112 [7]2 years ago
3 0

Answer:

Factorise 18a²y - 27ay

=9ay(2a-3)

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Mr. Martin’s math test which is worth 100 points has 29questions. Each problem is worth 2points or 5 points. X represents number
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Answer:there are 14 5point problems and 15 2point problems on the test.

Step-by-step explanation:

x represents number of 5 point questions and y represents questions worth 2 points.

The total number of questions in the test is 29. It means that

x + y = 29

x = 29 - y

Mr. Martin’s math test is worth 100 points. It means that

5x + 2y = 100 - - - - - - - - -1

Substituting x = 29 - y into equation 1, it becomes

5(29 - y) + 2y = 100

145 - 5y + 2y = 100

- 5y + 2y = 100 - 145

- 3y = - 45

y = - 45/-3

y = 15

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Find x in the following diagram
andreyandreev [35.5K]

Answer:

x = 71

Step-by-step explanation:

The sum of the measures of the exterior angles of a polygon is always 360°.

A triangle has 3 exterior angles.

152+ 137+x = 360

Combine like terms

289 +x = 360

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3 years ago
If f(x)=-3x-2, find f(-2)+9
mash [69]

Answer:

13

Step-by-step explanation:

Replace the variable x with -2 in the expression.

f (-2) = -3 x -2 -2

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Fynjy0 [20]

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