Answer:
i think its D.
A reflection, a rotation, and a translation will prove that shape 2 is congruent to shape 1.
Step-by-step explanation:
Answer: 40°
Step-by-step explanation: gave up on delta math
This can be solved in two ways: With heavy tools or with just algebra.
What is your level? Have you studied calculus?
With pure algebra:
We need to find the maximum of the function <span>h = −16t^2 + 36t + 5
Lets take out -1 for simplicity:
</span><span>h = −(16t2 - 36t - 5)
For now lets just work with this: </span>16t^2 - 36t - 5
16t^2=(4t)^2
(4t-x)^2= 16t^2-2*4xt+x^2
we have -36t so x should be 4.5 as 2*4*4.5=36
Lets see what we have now:
16t^2 - 36t - 5= (4t-4.5)^2 is this true? No but close
(4t-4.5)^2= 16t^2- 2*4*4.5t +4.5^2= 16t^2-36t+20.25
16t^2 - 36t - 5 and 16t^2-36t+20.25 nearl the same just take away 25.25 from the right hand side
Getting long, just stay with me:
16t^2 - 36t - 5= (4t-4.5)^2 - 25.25
h= -{(4t-4.5)^2 -25.25}
h=-(4t-4.5)^2 + 25.25
We want to find the maximum of this function. -(4t-4.5)^2 this bit is always negative or 0, so it maximum is when it is 0. Solve: 4t-4.5=0
t=1,125
Answer:
Step-by-step explanation:
Do you remember the formula so that you can solve this problem??
The solution for v-9v+49=-2(v-7) is 
or 5.83(decimal form)
<u>Solution:</u>
Solving right hand side: multiply -2 with terms inside the bracket
v - 9v + 49 = -2v + 14
Move the terms from right hand side to left hand side. On moving a negative signed number from RHS to LHS, it becomes positive signed number.
Similarly, moving positive signed number from RHS to LHS, it becomes negative signed number.
v - 9v + 49 + 2v - 14 = 0
v -9v + 2v + 49 - 14 = 0
-8v + 2v + 49 - 14 = 0
-6v + 35 = 0
-6v = -35
Negative sign on numerator and denominator cancels each other
v = 5.83
