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Kobotan [32]
3 years ago
12

What's the answer to this problem

Mathematics
1 answer:
dsp733 years ago
3 0

-5/4 =-1.25

-14/25 = -0.56

-13/8 = -1.625

Runner D finished 2nd it is the smallest number

 Runner B was 5th

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If y varies inversely as the square of x and y=4 when x=5, find y when x is 2
Len [333]

need to kind K

Y=k x 1/x^2 = k/x^2

Find K when y=4 & x=5

Y=k/x^2 =

4=k/5^2=

4=k/25

K=4*25 =100

When x = 2

Y=100/2^2

Y=100/4

Y=25


5 0
3 years ago
I need help with this last question. Please help
dusya [7]
The angle of STV would be 140 degrees.
3 0
2 years ago
Whats the answer to 4.2v-5-6.5v=
yaroslaw [1]

Answer:

2.3

v

−

5

Step-by-step explanation: your welcome

8 0
2 years ago
Read 2 more answers
Someone please help me !!
wariber [46]

Answer:

B. 56

l hope it is correct or maybe

3 0
3 years ago
The function h(x) is given below:
g100num [7]

Step-by-step explanation:

The domain and range of a function and its inverse are inverted i.e. The domain of the function will become range of its inverse and the range of the function will become the domain of its inverse.

When representing the function in ordered pairs, the first values in the pair represents the domain and second values represent the range of the function.

h(x) = {3,5),(5,-7)(6,-9)(10,-12)(12,16)}

Domain of h(x) is: {3, 5, 6, 10, 12}

Range of h(x) is: (5, -7, -9, -12, 16}

So,

Domain of h^{-1}(x) = Range of h(x) = (5, -7, -9, -12, 16}

Range of h^{-1}(x) = Domain of h(x) = {3, 5, 6, 10, 12}

Therefore, h^{-1}(x) will be represented as:

{(5,3), (-7,5), (-9, 6), (-12, 10), (16,12)}

It seems like you have made some error while writing the original function because of which we are not getting an exact match in the answer. However by looking at the answers, option B is the nearest most and seems the correct answer.

6 0
3 years ago
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