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Olegator [25]
3 years ago
8

Discuss two different ways to find the value of the expression. 5.4 × 1.17 ×100 that do not require you to first multiply 5.4 ×

1.17
Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0
Many ways here are 2.
5.4 x (1.17 x 100)


and

1.17 x (5.4 x 100)
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Salsk061 [2.6K]

Answer:

step 1 was wrong she should have added 25 to both sides

Step-by-step explanation:

step 3 was correct she divided both sides by -5

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Percy earns a greater hourly wage of $7.50 at the library. 
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A particle is moving along the curve below. y = x As the particle passes through the point (4, 2), its x-coordinate increases at
Anvisha [2.4K]

The correct question is;

A particle is moving along the curve

y=√x. As the particle passes through the point (4, 2), its x-coordinate increases at a rate of 4 cm/s. How fast is the distance from the particle to the origin changing at this instant? (Round your answer to three decimal places.)

Answer:

dS/dt ≈ 4.025 cm/s

Step-by-step explanation:

Let the distance from the origin be S and thus, the formula for that is

S = √x² + y²

The given function is y =√x

Let's plug in the S function for y to get;

S = √x² + (√x)²

S = √(x² + x)

Now, let's find the derivative with respect to time;

So;

dS/dt= [(1/2)/√(x² + x)] (2x+1)dx/dt

Let's plug in the value of x = 4 and dX/dt as 4;

dS/dt= [[(1/2)/√(4² + 4)] x [((2(4)+1)]] x 4

dS/dt= [(36/4)/√5]

dS/dt = 9/√5

dS/dt = 4.025 cm/s

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3 years ago
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Anastasy [175]

Answer:

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Step-by-step explanation:

Opposite angles of parallelograms are always congruent.

Consecutive ( angles that are next to each other ) always add up to 180.

180-62=118

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What is the given point of m= -2, (2,5)
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Answer: i think it's (-4,-10)=m

Step-by-step explanation:

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3 years ago
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