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3 years ago

10

Which equation represents an exponential function with an initial value of 500?

1 answer:

Lana71 [14]3 years ago

3 0

Answer:

b

Step-by-step explanation:

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147.1 is what percent of 155

Harrizon [31]

Solution for what is 147.1% of 155

155/x=100/147.1
(155/x)*x=(100/147.1)*x - we multiply both sides of the equation by x
155=0.67980965329708*x - we divide both sides of the equation by (0.67980965329708) to get x
155/0.67980965329708=x
228.005=x
x=228.005

now we have:
147.1% of 155=228.005

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2 years ago

Factor completely 5b^2-11b+6

vekshin1

Answer:

(b - 1) (5b - 6)

Step-by-step explanation:

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3 years ago

Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance

zzz [600]

Answer:

$\frac{\Delta v}{v}=0.426$

Step-by-step explanation:

you have that the average sped is given by the following formula:

$v(x,t)=\frac{x}{t}$

The uncertainty formula for a division is given by:

$\frac{\Delta v}{v}=\sqrt{(\frac{\Delta x}{x})^2+(\frac{\Delta t}{t})^2}$ (1)

Δv: uncertainty in speed

Δx: uncertainty in the distance = 0.9m

Δt: uncertainty in time = 0.7s

x: distance = 8.1m

t: time = 1.7s

You replace the values of all parameters in the equation (1):

$\frac{\Delta v}{v}=\sqrt{(\frac{0.9}{8.1})^2+(\frac{0.7}{1.7})^2}\\\\\frac{\Delta v}{v}=0.426$

Hence, the relation between the uncertainty in the average velocity is 0.426

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3 years ago

4y-7x=16 solve for y

kompoz [17]

I think the answer would be x= 4/7 y = +-16/7

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Which of these is greatest number that rounds to 9?

Sonja [21]

If anything is above 5 it will round up

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3 years ago

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