Issy hw Flashcards

1
Q

Simplify 10a + 3b - 8a -4b

A

2a-b

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2
Q

11×(4+3)

A

77

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3
Q

9th multuple of 15

A

135

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4
Q

List factors of 49

A

1,7,49

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5
Q

10+-5

A

5

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6
Q

13x +3= -10 ??

Wat does x equal

A

X=-1

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7
Q

Solve 9x -4 = 23

A

X = 3

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8
Q

4×4+3

A

19

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9
Q

-8+6

A

-2

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10
Q

40×30

A

1200

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11
Q

Find the median 19,15,9,10,25

A

15

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12
Q

Find the median 13,24,18,13,21

A

18

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13
Q

12 x 12

A

144

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14
Q

Find the median 10,16,22,28,34

A

22

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15
Q

12x 0.4

A

4.8

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16
Q

10% of 46

A

4.6

17
Q

50% of 159

A

75

18
Q

1 % of 228

A

0.228

19
Q

25% of 120

A

30

20
Q

Round 0.137 to s.f.

A

0.14

21
Q

5 x 12

A

60