Answer:
The cost of chair is 
The cost of a lamp is 
The cost of a table is 
Step-by-step explanation:
Let
x----> the cost of chair
y----> the cost of lamp
z----> the cost of table
we know that
----> equation A
----->
-----> equation B
------> equation C
substitute equation C and equation B in equation A and solve for x




Find the value of y

Find the value of z
therefore
The cost of chair is 
The cost of a lamp is 
The cost of a table is 
If a triangle equals 180, than what you want to do is add all of the numbers together. 33+21+28= 82.
After that what you want to do is subtract that by the total of the triangle "180"
180-82=98.
I believe 98 is the answer
Answer:
b=-1
Step-by-step explanation:
10(1+3b)=-20
1+3b=-2
3b=-3
b=-1
Answer:
arc length = 84.82 cm
Step-by-step explanation:
arc length = 36 * 3π/4
arc length = 3π * 9
arc length = 84.82 cm
Hope this helps!
Answer:
Step-by-step explanation:
Neutron: has mass and no charge
Protons: has mass and a positive charge