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2 years ago

Round to the nearest thousandth: 6.49993

Mathematics

1 answer:

Leona [35]2 years ago

6 0

rounding to the thousandth means to the 3rd place after the decimal...

so if you rounded 6.49993 to the nearest thousandth it would be 6.500

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In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IR?

soldi70 [24.7K]

Answer:

Step-by-step explanation:

Given

ET = 120 V

, R = 30 Ω,

XL = 40 Ω.

To find = IR=?

as in circuit inductor and resistor are parallel so ET =EL = ER = 120V

IR = current through resistor = IR = ER/ R

= 120V /30Ω.

= 4 ampere.

6 0

3 years ago

What is the value of x?

Lerok [7]

The value of x is about 4.7

4 0

3 years ago

I need help on this please

Schach [20]

Answer:

0.27

Step-by-step explanation:

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2 years ago

What is 30% off of 25??

Leto [7]

Answer:

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Step-by-step explanation:

Step 1:

30/100=0.3

Step 2:

0.3 x 25 = 7.5

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7 0

2 years ago

Read 2 more answers

What is the sum of the first 37 terms of the arithmetic sequence?

lidiya [134]

Answer:

The sum of the first 37 terms of the arithmetic sequence is 2997.

Step-by-step explanation:

Arithmetic sequence concepts:

The general rule of an arithmetic sequence is the following:

$a_{n+1} = a_{n} + d$

In which d is the common diference between each term.

We can expand the general equation to find the nth term from the first, by the following equation:

$a_{n} = a_{1} + (n-1)*d$

The sum of the first n terms of an arithmetic sequence is given by:

$S_{n} = \frac{n(a_{1} + a_{n})}{2}$

In this question:

$a_{1} = -27, d = -21 - (-27) = -15 - (-21) = ... = 6$

We want the sum of the first 37 terms, so we have to find $a_{37}$

$a_{n} = a_{1} + (n-1)*d$

$a_{37} = a_{1} + (36)*d$

$a_{37} = -27 + 36*6$

$a_{37} = 189$

Then

$S_{37} = \frac{37(-27 + 189)}{2} = 2997$

The sum of the first 37 terms of the arithmetic sequence is 2997.

6 0

3 years ago