2 years ago

What is The sum of b and 11

Mathematics

1 answer:

max2010maxim [7]2 years ago

6 0

B+11 ? I’m not sure is this high school math ?

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Carlos drove to the train station and back. The trip there took five hours and the trip back took four hours. What was Carlos' a

katrin2010 [14]

Answer: 54.4 mph

Step-by-step explanation:

First find the distance to the train station. If it took Carlos 4 hours to come back driving at 68 mph, the distance is:

= Speed * time

= 68 * 4

= 272 miles

This means that Carlos drove for 5 hours to cover 272 miles the first time. His average speed was therefore:

= Distance / time

= 272/5

= 54.4 mph

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2 years ago

A sea lion dove from the water's surface at sea level to an altitude of −216.12 meters in 2.4 minutes.

Valentin [98]

Hello,

The answer to this problem is -90.05.

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3 years ago

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NikAS [45]

Answer:

forstone

Step-by-step explanation:

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3 years ago

Help please will mark brainliest

ipn [44]

Answer:

459

Step-by-step explanation:

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2 years ago

I ready scientific notation help

Airida [17]

The required value is $2\times10^9$

Step-by-step explanation:

Weight of ants = $4\times10^{-3}$

Weight of elephant= $8\times10^6$

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

$4\times10^{-3} \times a = 8\times10^6$

We need to find a:

Solving:

$4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9$

So, the required value is $2\times10^9$

Keywords: Scientific Notation

Learn more about Scientific Notation at:

#learnwithBrainly

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2 years ago