Answer:
1000 calories
Step-by-step explanation:
2000-(1400-400)
40 paper I think because 8 times 5 is 40
Q1 Perimeter = sum of all the sides
The length of the unmarked sides are 9 -8 = 1 cm and x - 3 cm
So x + x - 3 + 3 + 1 + 8 + 9 = 28
2x = 28 - 18
2x = 10
x = 5 answer
Q2
unmarked sides = x - 8 and and 5 - 2 = 3
x + x - 8 + 3 + 2 + 5 + 8 = 30
2x = 30 - 10 = 20
x = 10 answer
Answer:
a=1 D
Step-by-step explanation:
insert x=1 in the equation
Y varies inversely as the square of x. So we can write the relation between x and y as:

where k is a constant of proportionality. It is given that y = 7/4 when x = 1.
Using these values, we can write:

So, now the equation in terms of x and y can be written as:

We are to find y when x = 3. So we can write:
Thus, for x= 3 value of y will be 7/36