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Bas_tet [7]
3 years ago
11

Math question down below

Mathematics
2 answers:
kobusy [5.1K]3 years ago
5 0
Converting to improper fractions
27/8 • 13/3
9/8•13
=117/8
=14 5/8
SpyIntel [72]3 years ago
3 0
3 3/8 · 4 1/3

To make this easier to solve, let's change the mixed numbers into improper fractions. This is done by multiplying the denominator (8) by the whole number (3) and then adding that to the numerator (3), keeping the denominator the same. Do the same thing with the second fraction.

27/8 × 13/3
Now you can multiply.
(27 × 13)/(8 × 3)
351/24

Now think of how many times 24 can go into 351. You can find this out by plugging it into a calculator. You should get 14.625. Since we need a whole number though, round down to 14.
14 × 24 = 336
This means that there will be 15 left over.
So far the fraction looks like this:
14 15/24

The last thing you need to do is simplify. A number that can go into both 15 and 24 is 3, so divide them by that.
14 5/8

The answer is 
D. 14 5/8
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A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function
elixir [45]
This can be solved in two ways: With heavy tools or with just algebra. 
What is your level? Have you studied calculus? 

With pure algebra: 
We need to find the maximum of the function <span>h = −16t^2 + 36t + 5
Lets take out -1 for simplicity: 
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Lets see what we have now:
16t^2 - 36t - 5= (4t-4.5)^2 is this true? No but close
(4t-4.5)^2= 16t^2- 2*4*4.5t +4.5^2= 16t^2-36t+20.25

16t^2 - 36t - 5   and 16t^2-36t+20.25 nearl the same just take away 25.25 from the right hand side

Getting long, just stay with me: 
16t^2 - 36t - 5= (4t-4.5)^2 - 25.25

h= -{(4t-4.5)^2 -25.25}
h=-(4t-4.5)^2 + 25.25

We want to find the maximum of this function. -(4t-4.5)^2 this bit is always negative or 0, so it maximum is when it is 0. Solve: 4t-4.5=0
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3 years ago
Find the number of terms in this polynomial. <br><br> –3p9 − 7p
yanalaym [24]

Answer:

ans: 2 terms

Step-by-step explanation:

1st term: -3p^9

2nd term: -7p

6 0
2 years ago
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