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Shkiper50 [21]
4 years ago
11

PLEASE HELP ME ASAP!!!!!!

Mathematics
2 answers:
3241004551 [841]4 years ago
6 0

Answer:

(3x-27)^o

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m\angle BEC=m\angle AED ----> by vertical angles

we have

m\angle BEC=(2x+3)^o

The value of x is given

x=30

so

m\angle BEC=(2(30)+3)=63^o

That means that the measure of angle AED is also 63 degrees

so

The expression that could represent the measure of Angle A E D is

(3x-27)^o

because

For x=30

(3(30)-27)=63^o

k0ka [10]4 years ago
6 0

Answer: (x+43)

Step-by-step explanation:

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3 years ago
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allochka39001 [22]

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3 0
4 years ago
Please give a good explanation and show your work as well
Vadim26 [7]

Answer:

A) down

B) x intercept (5, 0)

   y intercept (0, 80)

C) 144 ft

Step-by-step explanation:

y = Ax² + Bx + C

y = -16x² + 64x + 80

A)

Parabola opens down because A is negative

B)

x intercept (5, 0)

x = (-64 ±√(64² - 4(-16)(80))) / (2(-16))

x = -1  which means if the profile is continuous, the balloon launched one hour ago.

or

x = 5 which means the balloon will be on the ground in 5 hours.

(assuming level ground or no wind at all.

y intercept

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y = 80 ft

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C)

Maximum altitude will occur when the vertical velocity is zero. Velocity is the derivative of position.

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0 = -32x + 64

32x = 64

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4 0
3 years ago
Train tickets cost £7.93 how much would 4 train tickets cost?
andrezito [222]

Answer:

£31.72

Step-by-step explanation:

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3 years ago
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