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lys-0071 [83]
3 years ago
10

A boat is travelling from point c toward point d which is on the shoreline the shoreline is represented by the line through poin

t a and point b
Mathematics
1 answer:
vekshin13 years ago
4 0

Answer:

The answer is "lines CD & AB are perpendicular ".

Step-by-step explanation:

Given points:

A=(0,7)\\\\B=(8,-5)\\\\C=(-3,-8)\\\\D=(6,-2)

Calculating the slope of AB: y = -\frac{12}{8}x + 7

Calculating the slope of CD: y = \frac{6}{9}x - 6

simplify the slop:

AB= -\frac{3}{2}\\\\CD=\frac{2}{3}\\\\

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Let’s look at another one of Homer’s rocket launches. It was launched from ground level with an initial velocity of 208 feet per
kozerog [31]

Answer:

Smax = 676 ft

the maximum altitude (height) the rocket will attain during its flight is 676 ft

Step-by-step explanation:

Given;

The height function S(t) of the rocket as;

S(t) = -16t2 + 208t

The maximum altitude Smax, will occur at dS/dt = 0

differentiating S(t);

dS/dt = -32t + 208 = 0

-32t +208 = 0

32t = 208

t = 208/32

t = 6.5 seconds.

The maximum altitude Smax is;

Substituting t = 6.5 s

Smax = -16(6.5)^2 + 208(6.5)

Smax = 676 ft

the maximum altitude (height) the rocket will attain during its flight is 676 ft

8 0
4 years ago
1+4=5 2+5=12 3+6=21 8+11=?
ziro4ka [17]
Okay so we just need to find out the pattern...
in this case the pattern is adding..
we did 
1 + 4 = 5 
2 + 5 = 12
we figure this one out by adding 2 and 5 twice so it look like this 
2 + 5 + 5 = 12 
now moving on to our next one 
3 + 6 = 21 
so we added 3 and added 6, three times so look
3 + 6 + 6 + 6 = 21 
so now 
8 + 11 = 96 because we added 8 and added 11, eight times look..
8 + 11 + 11 + 11 + 11 + 11 + 11 + 11 + 11 = 96 
so our answer to 8 + 11 is 96!
hope this helps:)
and don't forget 2 
MARK ME BRAINLIEST! :D

8 0
3 years ago
Costco is offering to perform the floor
const2013 [10]

Answer:

3.50x= t

Step-by-step explanation:

x square feet of teh floor

t= total cost

3 0
3 years ago
I need help it's really hard<br>Properties of exponents
Agata [3.3K]

\bf 12^x\times 12^4=12^8\implies \stackrel{\textit{if the base is the same, so are the exponents}}{12^{x+4}=12^8} \\\\\\ x+4=8\implies x=4

3 0
4 years ago
A tablecoth is 82 inches long. What is the length in feet and inches
Maksim231197 [3]
You will do 82 ÷ 12 and u will get 6.8
8 0
3 years ago
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