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2 years ago

5. Which is the graph of the exponential function y = 8(5)x?

Mathematics

1 answer:

marin [14]2 years ago

5 0

Answer:

The answer is A

Step-by-step explanation:

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In the PQRS triangle PQ=QR, QR side extended to S Show that PQ+RS=QS. -S Q R

Vitek1552 [10]

Answer:

Step-by-step explanation:

from the picture:

QP = QR

and

QR = RS

PQ + RS = QS

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3 years ago

Help me I'm too tired to think and this is easy.

grandymaker [24]

Answer:

equal to

Step-by-step explanation:

two negatives equals positive

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3 years ago

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What is the total cost, including a 3% sales tax, the cost price of a cost priced at $120?

Aliun [14]

The total cost including taxes is $156

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3 years ago

Assume the time required to complete a product is normally distributed with a mean 3.2 hours and standard deviation .4 hours. Ho

Alex787 [66]

Answer: 3.712 hours or more

Step-by-step explanation:

Let X be the random variable that denotes the time required to complete a product.

X is normally distributed.

$X\sim N(\mu=3.2\text{ hours},\ \sigma=0.4\text{ hours} )$

Let x be the times it takes to complete a random unit in order to be in the top 10% (right tail) of the time distribution.

Then, $P(\dfrac{X-\mu}{\sigma}>\dfrac{x-\mu}{\sigma})=0.10$

$P(z>\dfrac{x-3.2}{\sigma})=0.10\ \ \ [z=\dfrac{x-\mu}{\sigma}]$

As, $P(z>1.28)=0.10$ [By z-table]

Then,

$\dfrac{x-3.2}{0.4}=1.28\\\\\Rightarrow\ x=0.4\times1.28+3.2\\\\\Rightarrow\ x=3.712$

So, it will take 3.712 hours or more to complete a random unit in order to be in the top 10% (right tail) of the time distribution.

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3 years ago

Please help me answer this math question!

musickatia [10]

All you need to do for angles like GBH is work out the angle at point B. With questions like this, work out the angle at the letter in the middle.

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3 years ago