Answer:
20 questions
Step-by-step explanation:
Given
Required
Number of questions answered
First, we need to get the total correct marks obtained by Roy
This is calculated by multiplying the correct marks by number of correct answers
Subtract this from the total scores obtained; This gives the total incorrect answer obtained by Roy
Open bracket
Divide this by -2 to get the number of incorrect answers
Add this to the number of correct answers to give the total number of question answered
<em>Hence, Roy answered a total of 20 questions</em>
Answer:
Object A will have greater acceleration.
Step-by-step explanation:
Given that,
The mass of object A = 50 kg
The mass of object B = 75 kg
They were pushed with the same amount of force.
We know that, the force acting on an object is given by :
F = ma
Here F is same for both mass
Mass and acceleration have inverse relation. It means the object whose mass is less will have greater acceleration. Hence, the acceleration is greater for object A.
Answer:
To find the quotient of 3 divided by 1/6 you must multiply by the reciprocal of the fraction, in this case it is 6.
So you would rewrite it as,
3*6=18
So your answer is multiply 3 by 6.
P.S * represents multiplication.
Step-by-step explanation:
Answer:
distance between points=13 units
Step-by-step explanation:
distance between points=
put =(8,7) and =(3,-5)
distance between points=
distance between points=
distance between points=
distance between points=
distance between points=13 units answer
So, u would start by expanding the bracket and ignoring the 2 at the moment.
(x+9)(x+9)= x^2-18x+81(using the foil method!
Then u would put 2 at the front to get:
2(x^2+18x+81)
= 2x^2+36x+162