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Svetllana [295]
2 years ago
15

Does 12/15 and 14/17 form a proportion?

Mathematics
1 answer:
adell [148]2 years ago
8 0

Answer:

yes they form a proportion

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Help! I have looked at so many lessons on writing exponential functions from a graph and nothing has helped.
Over [174]

Answer:

y = 8(-\frac{1}{2})^x

Step-by-step explanation:

Let the equation of the exponential function is,

y = a(b)ˣ

Since the graph of this function passes through two points (4, \frac{1}{2}) and (3, -1)

For the point (4, \frac{1}{2}),

\frac{1}{2}=a(b)^4 ---------(1)

For second point (3, -1),

-1 = a(b)³ ---------(2)

Divide equation (2) by equation (1),

\frac{\frac{1}{2}}{-1} = \frac{a(b)^4}{a(b)^3}

-\frac{1}{2}=b^{(4-3)}

-\frac{1}{2}=b

From equation (2)

-1 = a(-\frac{1}{2})^3

-1 = -\frac{1}{8}a

a = 8

Therefore, equation of the exponential function will be,

y = 8(-\frac{1}{2})^x

4 0
2 years ago
If 938 employees of which 533 provide customer service what percentage supply sales support from that 938
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Answer:

533/938 = .56 = 56%

Step-by-step explanation:

If helps mark as brainllest hope it helps!!!

4 0
2 years ago
Y=-4.3x-1.3<br> Y=1.7x+4.7
Contact [7]

Answer:

0.566666666

Step-by-step explanation:

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3 years ago
Sally took her stats test last week and scored a 45%. The class average was 55%with a standard deviation of 4.5. How many standa
sesenic [268]

Answer: A

Step-by-step explanation:

5 0
2 years ago
What is 40 /6 in fraction
Serhud [2]
Well I'm assuming that you want me to simplify the fraction 40/6. Since 40 can go into 6 multiple times, this fraction is going to be a mixed number.
40/6 in simplest form is 6 2/3. Hope I helped!
3 0
3 years ago
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