2 years ago

Subtract 4x-5 from 2/5 + 7 PLEASE HELP I HAVE 4 MINUTES

Mathematics

1 answer:

Dafna11 [192]2 years ago

4 0

The answer would be 4x-(62/5)

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

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2 years ago

Find the slope from the graph below

larisa [96]

You go up 4 times and go to the left 2 times so the slope would be 4/-2

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2 years ago

A 2-column table with 5 rows titled Fruit Prices. Column 1 is labeled fruit with entries apples, cherries, grapes, pears, strawb

pychu [463]

Answer:

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7.2 pounds of apples

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"Two purple sea slugs are mated with each other. Among their numerous offspring, 428 have a purple integument and 152 have orang

Orlov [11]

Answer:55

Step-by-step explanation:

55x1=55

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3 years ago

Which of the following is a way that scientific advancements have benefited society? a. increased energy efficiency b. increased

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The answer is a. increase energy efficiency. This means that we now use less energy to do more thanks to many advances in technology. It could also be due to the use of alternative sources of power such as the sun or win. These new sources provide energy without causing pollution.

tbh google

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2 years ago