I’m not 100% sure but I think it’s 14/49
Hey there!!
Equation given : A = 1/2(b₁+b₂)h
Solve for h
First, let us divide by 1/2 on both sides
(A) / (1/2) = ( 1/2(b₁+b₂)h ) / ( 1/2 )
2A = (b₁+b₂)h
Divide by (b₁+b₂) on both sides
2A / b₁+b₂ = h
Hence, the option is ( B )
Hope it helps!
Step-by-step explanation:
Let aron's variable be = a
Let davids variable be( 6 less tan 3 times aron) = 3×a-6
Thier sum is =214
So,
3×a-6 + a = 214
3a -6 +a = 214
(transpose)
3a + a = 214 + 6
4a = 220
a = 220/4
a= 55
Thus,aron's score is = 55
And davids score is (3×a-6) = 3×55-6 = 159
Checking,
Aron score + david score = 214
55 + 159 = 214
SO, ITS CORRECT
HOPE IT HELPS :)
Answer:
The numbers are 12 and 19.
Explanation:
x - first number
y - second number
{x + y = 31
{x = y + 7
{x + y = 31
{x - y = 7 (+)
----------------------------
x + x + y - y = 31 + 7
2x = 24
x = 12
{x = 12
{12 + y = 31
{x = 12
{y = 19
Answer:
ok, but i can't even see nothing, though ;-;
