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tatuchka [14]
3 years ago
6

Value of x? x-2(x+3)=4(2x+3)-(x+4)

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0

Answer:

X=-1/4

Step-by-step explanation:

X-2(x+3)=4(2x+3)-(x+4)

Open the bracket first

X-2x-6=8x+12-x-4

Collect like terms

X-2x+x-8x=12-6-4

-x+x-8x=6-4

-8x=2

Divide both sides by-8

X=-2/8

Divide both by 2

X=-1/4

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14 ten thousands + 12 thousands
Doss [256]
<u><em>Answer:</em></u>
152,000

<u><em>Explanation:
</em></u>
First, we will need to translate the words into numbers and then we will perform the addition.

<span><u><em>1- translating the words into numbers:</em></u>
ten thousands means 10,000
14 ten thousands means 14 * 10000 = 140000
thousands means 1000
12 thousands means 12000

<u><em>2- Performing the addition:</em></u>
14 ten thousands + 12 thousands
= 140000 + 12000
= 152000
</span>
Hope this helps :)
5 0
4 years ago
The Chartered Financial Analyst (CFA) designation is fast becoming a requirement for serious investment professionals. Although
Nastasia [14]

Answer:  ($141,775, $158,225)

Step-by-step explanation:

Given : Significance level : \alpha: 1-0.9=0.1

Critical value : z_{\alpha/2}=1.645

Sample size : n= 49

Sample mean : \overline{x}=150,000

Standard deviation : \sigma=35,000

The confidence interval for population mean is given by :_

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

= 150,000\pm (1.645)\dfrac{35000}{\sqrt{49}}\\\\\approx150,000\pm8225\\\\=(150,000-8225,150,000+8225)=(141,775,158,225)

Hence,he 90% confidence interval for the average salary of a CFA charter-holder = ($141,775, $158,225)

7 0
3 years ago
The circumference of a circle is 22 cm. What is the area of 1/10 of the circular region?
Elenna [48]

Answer:

A≈38.52cm²

Step-by-step explanation:

Using the formulas

A=πr2

C=2πr

Solving for A

A=C2/4π = 22 2/4·π≈38.5155cm²

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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