Here are five straight rods.
+2-1+
а
a + 3
All measurements ar...
Mathematics, 27.10.2021 19:50 anthonyalvar6636
Here are five straight rods.
+2-1+
а
a + 3
All measurements are in centimetres.
The total length of the five rods is L cm.
Find a formula for L in terms of a.
Write your formula as simply as possible.
Answers: 2
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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only
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