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zzz [600]
4 years ago
14

The Sullivan household wants build a patio deck in the shape of a 45-45-90 triangle in a nice corner section of their backyard .

They have enough room for a triangle with a leg of 20 feet . What will the length of the hypotenuse be ?
Mathematics
1 answer:
dedylja [7]4 years ago
4 0

Answer:

20√2=28.2842....

Step-by-step explanation:

special right traingles

a 45-45-90 states that the legs are congruent and the hypotenuse is leg√2

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-2x-4 = 12<br> --------<br> 3<br><br> btw thats a fraction and 3 is the denominator
lys-0071 [83]
-2x - 4 = 12
add 4 to both sides of the equation
-2x = 16
divide -2 from both sides of the equation
x = -8

the new fraction: 8/3 or 2 2/3
4 0
3 years ago
When an object is thrown upwards with a speed of 64 ft/sec, its height above the ground is given by the function h(t)=−16t2+64t
Svet_ta [14]

Answer:

The object will reach its highest point 0.5 seconds after it has been thrown.

Step-by-step explanation:

The object reaches its maximum height when velocity is equal to zero, the velocity is the derivative of function height. That is:

v(t) = \frac{d}{dt}h(t) (1)

Where v(t) is the velocity of the object at time t, in feet per seconds.

If we know that h(t) =-16\cdot t^{2}+64\cdot t and v(t) = 0\,\frac{ft}{s}, then the time when object reaches its highest point is:

v(t) = -32\cdot t+64

-32\cdot t + 64 = 0

t = 0.5\,s

The object will reach its highest point 0.5 seconds after it has been thrown.

3 0
3 years ago
Answer this question
IgorLugansk [536]

Answer:

id.k but i need points sorry

Step-by-step explanation:

5 0
3 years ago
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HELP PLS<br> idk how to do this<br> It's called Project: Let's get cooking!
Anastaziya [24]

Answer: What exactly do you need help with

4 0
3 years ago
Alaina needs to sell 225 boxes in order to be the top seller. She sells thin mints and samoas to all of her customers for a tota
Digiron [165]

Answer:

94 boxes of samoas

131 boxes of thin mints

Step-by-step explanation:

m=mints

s=samoas

s+m=225    m=225-s

s(2.5)+m(3)=628

2.5s+3m=628

substitute for m

2.5s+3(225-s)=628

2.5s+675-3s=628

reduce

-0.5s=-47

s=94

m=131

4 0
3 years ago
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