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Soloha48 [4]
3 years ago
10

I need help with this.

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0

Answer:

H. 162.56 cm

Step-by-step explanation:

<em>12 inches in 1 foot.</em>

<em>2.54 cm in 1 inch.</em>

5x 12=60 inches

60 +4=64inches.

64 x 2.54=162.56 cm

ollegr [7]3 years ago
4 0

Answer:

h

Step-by-step explanation

12 inches in 1 foot.

2.54 cm in 1 inch.

5x 12=60 inches

60 +4=64inches.

64 x 2.54=162.56 cm

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Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu
Marina CMI [18]

Answer:

E = 3072i - 5904ohms

Step-by-step explanation:

From ohms law recalled that E = IR given already

E = voltage (volts)

I = Current (amps)

R = resistance (ohms)

Therefore, by substitution

I = 16i and R = (2+4)ohms(32+66i)

= 6(32+66i) ohms

= (192+396i)ohms

E = (16i)×(192+396i)

E = 3072i + 5904i²

Recall that i² = -1 from complex number

E = 3072i +5904(-1)

E = 3072i - 5904ohms

5 0
3 years ago
The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.
Lelechka [254]

Answer:

The standard deviation for the sample mean distribution is \sigma_{\bar{X}}=\frac{136}{\sqrt{45}}=\frac{136\sqrt{5}}{15} \approx 20.274

Step-by-step explanation:

The central limit theorem states that if you have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population then the distribution of the sample means will be approximately normally distributed.

For the random samples we take from the population, we can compute the standard deviation of the sample means:

\sigma_{\bar{X}}=\frac{\sigma}{\sqrt{n}}

From the information given

The standard deviation σ = 136 dollars

The sample n = 45

Thus,

\sigma_{\bar{X}}=\frac{136}{\sqrt{45}}=\frac{136\sqrt{5}}{15} \approx 20.274

The standard deviation for the sample mean distribution is \sigma_{\bar{X}}=\frac{136}{\sqrt{45}}=\frac{136\sqrt{5}}{15} \approx 20.274

7 0
4 years ago
3) Sarah wants to buy a snowboard that has a total cost of $580, including tax. She has already
Levart [38]

Step-by-step explanation:

A) Let X= the number of weeks 46 times 3/4 = 72. And 135+72 x >_ 580

B) 135+72 x >_ 580. 580-135. 72/72 >_ 445/72

x >_ 6.2

She must work a minimun of 7 weeks to get $580.

6 0
3 years ago
Paul works for a company that deals in paints and dyes. He is paid a fixed monthly salary plus 15 percent commission on monthly
Artemon [7]
If x is the sales amount over $20,000, the function g(x) giving Paul's commission is <span>0.15x</span>
4 0
4 years ago
Please help!!
andriy [413]

Answer:

4140°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 25 , then

sum = 180° × 23 = 4140°

7 0
3 years ago
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