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vfiekz [6]
3 years ago
14

I need help can someone help me pls

Mathematics
1 answer:
sattari [20]3 years ago
4 0

Answer:

D: 25 miles

Step-by-step explanation:

Pythagorean Theorem:

a^{2} + b^2 = c^2

36^2 + b^2  =  39^2

1,296 + b^2  =  1,521

b^2  =  225

b  =  25

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jamie’s track practice is 90 minutes long. 20% of the time is spent jumping hurdles. how many minutes did jamie spend jumping hu
never [62]

Answer:

18 minutes

Step-by-step explanation:

take 90 minutes try to divide it into 20 groups maybe. I hade the answer written down

4 0
3 years ago
Use technology to solve for x. 3^x - 4= 6x - 7
Anuta_ua [19.1K]

Answer:

x=1,1

Step-by-step explanation:

3x^2 - 4= 6x - 7

For the given equation :

Making the coefficients of x to L.H.S

3x^2-6x-4+7 =0\\

3x^2-6x+3=0

Taking 3 as common from the above equation

x^2-2x+1=0        

Splitting the equation to make factors

x^2-x-x+1=0

Taking common from the equation:

x(x-1)-1(x-1)\\(x-1)(x-1)=0

Equating 'x' to zero

x=1,1

4 0
3 years ago
30 POINTS!<br><br> Use the graph of f to estimate the local maximum and local minimum.
nadya68 [22]
y_{min}=-1\ for\ x=(2k+1)\pi\ for\ k\in\mathbb{Z^-}\cup\{0\}\ \vee\ x=\dfrac{3\pi}{2}+2k\pi\ for\ k\in\mathbb{Z^+}\cup\{0\}


y_{max}=1\ for\ x=2k\pi\ for\ k\in\mathbb{Z^-}\cup\{0\}\ \vee\ x=\dfrac{5\pi}{2}+2k\pi\ for\ k\in\mathbb{Z^+}\cup\{0\}
7 0
3 years ago
Please help I’ll mark brainliest, also tell me why you got that answer please
777dan777 [17]

Answer:

D

Step-by-step explanation:

I did the math on paper and I got d

6 0
3 years ago
The product of two
inessss [21]

Answer:

11 and 12

Step-by-step explanation:

x(x+1)=132

x^2+x=132

x^2+x-132=0

(x-11)(x+12)=0

x = 11 or x = -12

when x=11 ,

x+1=12

11*12=132

7 0
4 years ago
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