Calculate (3.78 x 10-3) - (7.9 x 10-5
&
georgina buys a bar of chocolate. the bar is divided into 18 equ
(i) if georgina eats 3 pieces of chocolate, what fra
pieces of chocolate, what fraction of the bar has she eaten?
m the day georgina eats 37 of the pieces that are left. how many piece
chocolate have been eaten altogether?
(ii) find the percentage of the bar that has not been eaten.
the mean weight of five complete computer stations is 167.2 kg. the weights of four
computer stations are 158.4 kg, 162.8 kg, 165 kg and 178.2 kg respectively. what is
of the fifth computer station?
find the value of x, y, and z in the table below.
total
item
brake blocks
brake cables
pedals
quantity cost per item
ghc 4.12
ghc 5.68
ghc 45.98

i think the amount would be $140.62

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.

g(x) = 3*(8(3^(x−2))+2)

g(x) = 24 (3^(x-2) )+6

the factor is 2

step-by-step explanation:

let f(x)=8(3^(x−2)+2)

to stretch a graph by 3, it would be 3f(x)

g(x) =3f(x)

g(x) = 3*(8(3^(x−2))+2)

g(x) = 24 (3^(x-2) )+6

x     −2     0     2     4     6

f(x) 1/64 1/16   1/4     1     4

1/64 * z * z = 1/16

i multiplies by z twice because it its 2 steps from -2 to 0

1/64 z^2 = 1/16

multiply by 64 to clear the fraction on the left side

1/4 * 64 z^2 =1/16 *64

z^2 = 4

take the square root of each side

sqrt(z^2) = ±sqrt(4)

z = ±2  

we are multiplying by 2 each time.