9.4 Deriving and Using Formulae | Baamboozle - Baamboozle

English 60 Public

8A1 CCM9C Unit 9.4

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use the formula F=ma to work out the value of F when m=12 and a= 5

F= 60

use the formula v= u + at to work out the value of v when u=7, a=10, t=8

v=87

use the formula v= u + at to work out the value of u when v=75, a=4, t=12

u=27

Aldi buys and sells paintings. he uses the formula shown to work out the percentage profit he makes. work out Aldi 's percentage profit if the cost price is $250 and the selling price is $300

16,67%

make t the subject of the formula: m=7t+9

t=(m-9)/7

make t the subject of the formula: k= t/5-m

t= (k+m) x 5

The formula used in science is: V = I. R where V is the voltage, I is the current, and R is the resistance. Work out the value of V when I = 3 and R = 8

The formula used in science is: V = I. R where V is the voltage, I is the current, and R is the resistance. Work out the value of V when I = 5 and R = 12

Here is the price list of some stationery in a stationery store. (The price is only for one item); Pencil (P) = $2; Ruler (R) = $3 Pencil Case (C) = $6. If Khánh buys 3 pencils and 3 rulers, what is the total price she has to pay?

$15

Here is the price list of some stationery in a stationery store. (The price is only for one item) Pencil (P) = $2 Ruler (R) = $3 Pencil Case (C) = $6. If Trúc gives this note to the cashier: 3R + 2C, what is the total price she

$21

Given v = u + at, make "u" the subject of the formula.

u = v - at

Given v = u + at, make "t" the subject of the formula.

t=(v-u)/a

Using the formula F = ma to work out the value of m when F = 34 and a = 2.5

13.6

Rearrange the formula BMI=m/h^2 to make "m" the subject.

m = BMI × h^2

Rearrange the formula d/s=C to make "s" the subject.

s = d/C

Rearrange the formula " 12v/11H=5u " to make "v" the subject.

v = (55Hu)/12