Answer:
x=-1
Step-by-step explanation:
start by distributing the negative 3 to 2x and negative one. after the equation should look like this:
2x+11=-6x + 3
the next step is to combine the X's
8x+11=3
next step:
8x=-8
next step: divide
8/-8 =-1 so x=-1
Answer:
The length of the radius is 3cm.
Step-by-step explanation:
Given that a circle is inscribed in a square. The side of the circle touches the side of the square which is the diameter. So the diameter of circle is 6cm, in order to find it's radius, you have to duvide it by 2 :
Answer:
BC ≈ 19.4 cm
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos71° = 
= 
= 
( multiply both sides by BC )
BC × cos71° = 6.3 ( divide both sides by cos71° )
BC = 
≈ 19.4 cm ( to 3 significant figures )
Answer:
180 cm^2
Step-by-step explanation:
For similar figures the ratio of areas is the square of the ratio of linear dimensions.
We take "tripled in size" to mean that the linear dimensions of the larger rectangle are 3 times those of the smaller rectangle. That means the area of the larger rectangle will be 3² = 9 times the area of the smaller one.
Area = (3²)(20 cm²) = 180 cm² . . . . area after tripled in size
Answer:
19,000 pa.
Step-by-step explanation:
I hope this helps
