3 years ago

Exponential Functions

Mathematics

1 answer:

spayn [35]3 years ago

5 0

0.3 feet per hour

See picture for explanation.

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In Evan's math class, there are 7 boys and 10 girls. Which of the following is the ratio of boys to girls in Evan's math class?

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Answer:

7/17

Step-by-step explanation:

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2 years ago

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An art collector buys a replica of a famous sculpture. The replica has exactly the same shape as the original but is smaller. Th

Luba_88 [7]

Answer:

The answer is 315 cm of bronze

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A garter snake is 22 inches long. If a python is 9 times as long as the garter snake, how much longer is the python? Write and s

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176 much longer

Step-by-step explanation:

22 x 9 = 198

198 - 22 = 176

= 176

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1 year ago

Directed line segment DE has endpoints D(-4,-2) and E(1,8). Point F divides DE such that DF:FE is 3:2What are the coordinates of

VMariaS [17]

The Solution.

The given points are

$D(-4,-2)\text{ and E(1,8)}$

The formula is

$\frac{mx_2+nx_1}{m+n}_{},\frac{my_2+ny_1}{m+n}$

In this case,

$m=3,n=2$

Therefore,

$\begin{gathered} (\frac{mx_2+nx_1}{m+n}_{},\frac{my_2+ny_1}{m+n}) \\ =(\frac{3(1)+_{}2(-4)_{}}{3+2}_{},\frac{3(8)_{}+2(-2)_{}}{3+2}) \\ \end{gathered}$ $=(\frac{3-8}{5},\frac{24-4}{5})=(-\frac{5}{5},\frac{20}{5})$ $=(-1,4)$

Hence, the correct answer is (-1, 4) (option 3)

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3 months ago

Find the x-intercepts of the following polynomial function''<br> f (x) = x^2 - 2x - 80

pychu [463]

Answer:

(-8 , 0)

(10 , 0)

Step-by-step explanation:

(-8)^2 - 2(-8) - 80 = 0

(10)^2 - 2(10) - 80 = 0

then (-8 , 0) and (10 , 0) are x-intercepts Of the polynomial f

the others are not because (for instance):

(8)^2-2(8)-80 =

:)-32

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3 years ago