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3 years ago

11

Drisen has 6 groups of trains. Each group has 3 trains in it. What addition number sentence would help him solve how many trains

he has in all? *

1 answer:

Nimfa-mama [501]3 years ago

4 0

Answer:

6x3=x

x=18

Step-by-step explanation: plzz mark brainliest

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3 years ago

A 26' long painting is how many yards long

yaroslaw [1]

Three feet is 1 yard. 26 feet would be 26/3=8 2/3 yards long.

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3 years ago

The position of an open-water swimmer is shown in the graph. The shortest route to the shoreline is one that is perpendicular to

nika2105 [10]

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-1/4x + 3/2

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3 years ago

Use differentials to estimate the amount of paint needed (in m3) to apply a coat of paint 0.04 cm thick to a hemispherical dome

pogonyaev

The amount of paint is the volume of paint needed.

The amount of paint needed is 0.065312 cubic meters

<h3>How to determine the amount of paint needed</h3>

The volume of a hemisphere is:

$V = \frac 23\pi r^3$

Differentiate the above equation

$V' = 2\pi r^2 r'$

The above equation represents the estimate of the amount of paint needed.

Where:

r represents the radius (r = 52/2 m)
r' represents the thickness (r' = 0.04 cm)

So, we have:

$V' = 2\pi r^2 r'$

$V' = 2 * 3.14 * (52/2\ m)^2 * (0.04cm)$

$V' = 2 * 3.14 * (26\ m)^2 * (0.04cm)$

Express cm as m

$V' = 2 * 3.14 * (26\ m)^2 * (0.0004m)$

$V' = 0.065312 m^3$

Hence, the amount of paint needed is 0.065312 cubic meters

Read more about volumes at:

brainly.com/question/10171109

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2 years ago

Translate the following: 9 less than three times a number 2. 6 times the quotient of x and two 3. 4 times the difference of n an

KATRIN_1 [288]

(9-3)_
6 (x÷2)
4 (n-8)

I think this is right

6 0

3 years ago