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In-s [12.5K]
3 years ago
8

John's Dad marks John's height on the family tree every year on John's birthday. On John's 18th birthday he is 60" tall. The tre

e grows at a rate of 1.5" every year. When John comes back from college in four years how many inches high will his last mark be?
Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer: 66”

Step-by-step explanation:

For every two years, it grows 3 inches. 3+3=6

60+6=66

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Consider the linear function f(x)=mx+b, where m ≠0, on the interval [3,7]. Explain why the maximum value of the function over th
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  the function is either increasing or decreasing

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Find the values of x and y.
Elis [28]

Answer:

Option A

x=6 , y=9

Step-by-step explanation:

As we can see in the figure that point T is the mid point of rectangle and there are two diagonals QS and PR

So in basic geometry we know that the length of the diagonal from the mid point i.e. Taking the diagonal QS the length of QT and TS would be equal because they are same diagonal which is cut into two parts by point T

Similarly the Length of RT and the length of TP would be same

From all this we deduct that

3x = 2y              ..................(i)

and

y + 3 = 2x           ................(ii)

From equation (i)

3x = 2y

Dividing both sides by 3 the equation becomes

x= \frac{2y}{3}                ....................(iii)

Putting this value in equation (ii)

y + 3 = 2(\frac{2y}{3})

y+3 =\frac{4y}{3}

multiplying both sides by 3

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the equation becomes

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solving it

x= \frac{18}{3}

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so x=6 and y=9 is answer which is option A


   

5 0
3 years ago
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