3 years ago

What is the common difference in the following arithmetic sequence?

Mathematics

1 answer:

zloy xaker [14]3 years ago

3 0

It would probably be D

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The ratio of adults to children on a train in 7:2. There are 245 adults on the train. Find the total number of people on the tra

Kruka [31]

Answer:

315 people

Step-by-step explanation:

Using the given ratio, we can figure out the number of children on the train by doing cross multiplication.

Let x = # of children on train.

7/2 = 245/x

7x = 490

x = 70 children

The total number of people = 70 + 245 = 315 people total

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5 0

3 years ago

It is not B so plz help me

11111nata11111 [884]

Answer:

The picture is blocked out D:

Step-by-step explanation:

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3 years ago

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A cube-shaped water tank having 6 ft side lengths is being filled with water. The bottom is solid metal but the sides of the tan

Mekhanik [1.2K]

Answer:

0.033 ft

Step-by-step explanation:

Let g = 32.2 ft/s2 and h be the maximum height that water can be filled before the sides shatter.

Pressure is distributed from 0 to maximum at the bottom like the following equation:

$P = \rho gh$

So the force generated by water pressure on the side of the tank is

$F = PA = \rho ghs/2$

where s = 6ft is the side length of the tank. This force cannot be larger than 200lb

$\rho ghs/2 \leq 200$

$62.4*32.2*h*6/2 \leq 200$

$h \leq 0.033 ft$

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3 years ago

___Another word for a fraction. pick one of these: Absolute Value Distributive Property Equation Evaluate Equivalent Simplify Ex

Aleksandr [31]

Answer: Ratio

Explanation: Ratio = Fraction

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3 years ago

If a line falls on the points (6,8) and (1.5), what is it's slope?

Troyanec [42]

Answer:

3/5

Step-by-step explanation:

8-5/6-1

3/5

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3 years ago