Answer:
5 pieces of 40 cm
Step-by-step explanation:
A Bar of steel is 340 cm long Issa cuts two 55cm lengths of the bar
He then cuts the rest into as many 40cm lengths as possible
Work out how many 40cm lengths of bar Issa cut.
so
340cm - 55 cm - 55 cm = 230 cm remains
<u>230 cm </u>to cut into 40 cm as many as possible
40 cm
therefore, there are 5 pieces of 40 cm
Answer:
-10
Step-by-step explanation:
-10
Answer:
y = -4x-4
Step-by-step explanation:
We need to find an equation of the line that passes through (1,0) and has a slope of m=-4.
The equation of a line is given by :
y = mx+c
Where
m is slope of line
Put all the values,
y = -4x+c
Put x = 1 and y = 0
So,
0 = -4(1)+c
c = -4
So, the required equation is :
y = -4x-4
Answer:
(D) 6
Step-by-step explanation:
We can substitute the values of a (7) and b (-4) into the equation to find it's result.
![\frac{|2a| -b}{3} \\\\\\\frac{|2\cdot7|-(-4)}{3}\\\\\frac{|14|+4}{3}\\\\\frac{14+4}{3}\\\\\frac{18}{3}\\\\ 6](https://tex.z-dn.net/?f=%5Cfrac%7B%7C2a%7C%20-b%7D%7B3%7D%20%5C%5C%5C%5C%5C%5C%5Cfrac%7B%7C2%5Ccdot7%7C-%28-4%29%7D%7B3%7D%5C%5C%5C%5C%5Cfrac%7B%7C14%7C%2B4%7D%7B3%7D%5C%5C%5C%5C%5Cfrac%7B14%2B4%7D%7B3%7D%5C%5C%5C%5C%5Cfrac%7B18%7D%7B3%7D%5C%5C%5C%5C%206)
So 6 is the value of this expression when a is 7 and b is -4.
Hope this helped!