Answer:
A.) negative twenty-seven over forty
Step-by-step explanation:
Screenshot below will explain the answer
Answer:
(B)21+3a
Step-by-step explanation:
An expression is said to be distributive when:

Given the algebraic expression: (7 + a)3
Applying the distributive property

An equivalent expression is 21+3a.
The correct option is B
To change a fraction to a decimal , you just divide the number on top by the number on the bottom.
So to change 3/11 to a decimal you divide 3 by 11 and you get 0.272727
= 3/11
= 3 ÷ 11
<span>= 0.272727
</span>
you can round this to 0.273
Answer:
Acceleration of the particle = 
Step-by-step explanation:
We are given the position vector of a particle moving in a circle of radius b units.
r(t) = b cos(ωt)i + b sin(ωt)j
Velocity , v =
= -bω sin(ωt)i + bω cos(ωt)j
The magnitude of velocity, v =
Squaring both sides,

Since
= 1

The acceleration towards the centre is called the centripetal acceleration and is given by
a = 
a = 
a = 
Answer:
1.82 gallon or 6.9 litres
Step-by-step explanation:
Given
Gallon of blue paint= 2 3/5 = (5*2+3)/5 = 13/5 gallon
Fraction of paint used in painting the room = 7/10 of paint available
= 7/10 * 13/5 =91/50 gallon
= 1 41/50 gallon = 1.82 gallon
**converting gallon into litres
one gallon is equal to 3.79 litres
hence 91/50 gallon = 91/50*3.79 litres = 6.9 litres