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3 years ago

The product of 3 and r

Mathematics

2 answers:

Slav-nsk [51]3 years ago

6 0

Answer and Step-by-step explanation:

The product of something is when two things multiply each other.

The product of 3 and r would then be 3r.

This is because we are multiplying 3 by r, which results in 3r.

#teamtrees #WAP (Water And Plant)

Kazeer [188]3 years ago

3 0

Answer:

Step-by-step explanation:

3+r

sense there is no other number to muliply 3 with, then you combine them together and get "3r"

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–21:(–2 – 5) + ( –14) + 6.(8 – 4.3)

Paladinen [302]

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3 years ago

Sam takes a taxi in Chicago. The taxi charges $0.75 per mile and a flat fee of $1.60. If he has at most 10 dollars

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3 years ago

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Marianna [84]

Answer:

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3 years ago

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3 years ago

The position function for a free-falling object is s(t) = -16t^2 + vt +5. A ball is thrown upward from the top of a 400-foot bui

mixer [17]

Answer:

6.21 seconds

Step-by-step explanation:

The position function of a free-falling object is,

$s(t) = -16t^2+v_0t+s_0$

Where,

$s_0$ = initial height of the object,

$v_0$ = initial velocity of the object,

Here,

$s_0=400\text{ feet}$

$v_0=35\text{ feet per sec}$

Hence, the height of the ball after t seconds,

$s(t)=-16t^2+35t+400$

When s(t) = 0,

$\implies -16t^2+35t+400=0$

$t=\frac{-35\pm \sqrt{35^2-4\times -16\times 400}}{2\times -16}$

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∵ Time cannot be negative,

Hence, after 6.21 seconds the ball will reach the ground.

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3 years ago