Do you have a picture for this problem? There are multiple different ways to solve this problem but I'll need a picture to help you.
Answer:
the diameters of circle is the longest chord of a circle. equal chord of a circle have the equal circumference. the radius drawn perpendicular to the cord bisect the chord...the distance from the center of the circle to the longest chord ( diameter) is zero
Answer:
Question 3: 
Question 4: 
Question 5: 
Step-by-step explanation:
Question 3:
Question 4:
sign flips when r switches sides
Question 5:
Answer:
-7
Step-by-step explanation:
5-x=12 subtract 5 from both sides to get x alone
-x=7 divide both sides by -1 so that x is positive
x=-7
<u>Answer:</u>
<u>ii) £120</u>
<u>iii) £2,400</u>
<u>a) 10 workers</u>
<u>c) 4 workers more to be employed.</u>
<u>Step-by-step explanation:</u>
ii) To find the buying price we deduct 20% (percent) from the selling price of £150.
= 20/100 x 150
= £30 (Next we substract this value from the selling price of £150) = €150 - £30 = £120
iii) A 12% interest per annum Implies a 12 percent of the borrowed amount of 20,000, which is calculated as
12% or 12/100 x 20,000 = £2,400
a) Put simply, we create an equation for the problem.
4 men * 10 days = 40 man days.
X men * 4 days = 40 man days.
Let's substitute the equation:
(X/ 4) * (4/ 10) = 40 / 40
(X/4) * 0.4= 1 (collect like terms)
0.4 * x = 4
0.4x/0.4= 4/0.4
x = 10 workers.
(c) 4 extra workers to would need to be employed since we have six already available (10-6=4).
