2 years ago

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.

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

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2 years ago

If 938 employees of which 533 provide customer service what percentage supply sales support from that 938

NNADVOKAT [17]

Answer:

533/938 = .56 = 56%

Step-by-step explanation:

If helps mark as brainllest hope it helps!!!

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2 years ago

Y=-4.3x-1.3<br> Y=1.7x+4.7

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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

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Answer: A

Step-by-step explanation:

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2 years ago

What is 40 /6 in fraction

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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!

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3 years ago