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Leni [432]
3 years ago
10

Q4). Solve the equation 2x+1 = 2(1x/2 - 1) are represent the solution (s)

Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0

Answer:

<h3><u>Given :-</u></h3>

2X+1 = 2 [ (1X/2)-1]

<h3><u>To find :-</u></h3>

Solve the equation and represent the solution on the number line and on the Cartesian plane?

<h3><u>Solution :-</u></h3>

Given equation is 2X+1 = 2 [ (1X/2)-1]

=> 2X+1 = 2[(1X-2)/2]

=> 2X+1 = 2(X-2)/2

=> 2X+1 = X-2

=> 2X-X = -2-1

=> X = -3

Therefore, X = -3

The graph is parallel to Y-axis

The coordinates are (-3,0),(-3,1),(-3,2),...

<h3><u>Scale :-</u></h3>

On X - axis 1 cm = 1 unit

On Y - axis 1 cm = 1 unit

<h3><u>Answer :-</u></h3>

The solution for the given equation is -3.

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The answer would be -21
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What is (r/s) (3) = ​
Natasha2012 [34]

pretty sure that the answer is 2 cuz

8 0
3 years ago
Edgar accumulated $11,000 in credit card debt. If the interest rate is 30% per year and he does not make any payments for 3 year
Gennadij [26K]

Answer:

= 1.38778e-141 which makes interest a large amount 139 million and 108 hundred thousand and fourhundred and four.

Step-by-step explanation:

The equation is A= P 1+ r/n ^nt

So we input for A = (11000) x 1.30/11000 ^ 36 x 3

= 1.38778e-141 which makes interest a large amount 139 million and 108 hundred thousand and fourhundred and four.

The formula used in the compound interest calculator is A = P(1+r/n)(nt)

A = the future value of the investment

P = the principal investment amount

r = the interest rate (decimal)

n = the number of times that interest is compounded per period

t = the number of periods the money is invested for

Year Year Deposits Year Interest Total Deposits Total Interest Balance

1 $0.00 $245,278.94    $11,000.00  $245,278.94    -  $256,278.94

2 $0.00 $5,714,529.54   $11,000.00 $5,959,808.47  - $5,970,808.47

3 $0.00 $133,137,595.61 $11,000.00 $139,097,404.08-$139,108,404.08

8 0
3 years ago
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A survey of 542 consumers reveals that 301 favor the new design for a product. Construct a 90% confidence interval for the true
kodGreya [7K]

Answer:

The 90% confidence interval for the true proportion of all consumers who favor the design is (0.52, 0.59).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 542, \pi = \frac{301}{542} = 0.555

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.555 - 1.645\sqrt{\frac{0.555*0.445}{542}} = 0.52

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.555 + 1.645\sqrt{\frac{0.555*0.445}{542}} = 0.59

The 90% confidence interval for the true proportion of all consumers who favor the design is (0.52, 0.59).

5 0
3 years ago
WORTH 35 POINTS :))
Alenkasestr [34]

Answer:

7.5

Step-by-step explanation:

8x÷4=12÷4

2x=3

x=3/2=1.5

2y+10=22

2y=12

y=6

1.5+6=7.5=7½

3 0
3 years ago
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