Answer:
The answer to your question is Area = 62.5 u²
Step-by-step explanation:
Area = 
a and b are bases
c = heigth
dAD = 
dAD = 
dAD = 
dAD = 
dAD = 
dAD = 20 u
dBC = 
dBC = 
dBC = 
dBC = 5 u
dAB = 
dAB = 
dAB = 
dAB = 
dAB = 5u
Area = 
Area = 
Area = 5(12.5)
Area = 62.5 u²
Answer:
100 students
Step-by-step explanation:
10% of students in 7th grade ----- 10 students
<em>Divide</em><em> </em><em>by</em><em> </em><em>1</em><em>0</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>
1% of students in 7th grade ----- 10 ÷10= 1 student
<em>×</em><em>100</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>
100% of students in 7th grade ----- 1 ×100= 100 students
Answer:
x=3/2, y=10. (3/2, 10).
Step-by-step explanation:
2x-y=-7
4x-y=-4
--------------
-2(2x-y)=-2(-7)
4x-y=-4
---------------------
-4x+2y=14
4x-y=-4
-----------------
y=10
2x-10=-7
2x=-7+10
2x=3
x=3/2
Answer:
C
Step-by-step explanation:
The number of muliple and short answer equal twenty. No question about the worth.