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JulsSmile [24]
3 years ago
11

What’s 1/2 + 3/2 equal

Mathematics
2 answers:
Step2247 [10]3 years ago
7 0

Answer:

2

Step-by-step explanation:

Harlamova29_29 [7]3 years ago
3 0

Answer:

2

Step-by-step explanation:

2 2 2 2 2 2 2 2. 2 2 2 2 2 2 2. 2 2 2. 2 2 2 2

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Find the missing numerator or denominator
Dmitrij [34]

Answer:

Finding 1st Fraction Numerators

Explanation:

If you divide the denominator (40) by the first denominator (5), you get 8, so you know that the number 40 can be divided by 8 to get the other denominator (5). Therefore, you must be fair, and divide the numerator (8) by 8 also, which is 1. 1 is the missing numerator.

6 0
3 years ago
Mario opened a savings account and deposited $700.00 as principal. The account earns 6% interest, compounded continuously. What
Bas_tet [7]

Answer:

  $1003.33

Step-by-step explanation:

The appropriate formula is ...

  A = P·e^(rt)

Filling in the givens, you have ...

  A = $700·e^(0.06·6) ≈ $1003.33

4 0
3 years ago
A researcher wishes to estimate with 95% confidence, the proportion of the people who own a home computer. A previous study show
vitfil [10]

Answer:

The minimum sample size necessary is 2305.

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}.

The margin of error is:

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

For this problem, we have that:

\pi = 0.4

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The researcher wishes to be accurate within 2% of the true proportion. Find the minimum sample size necessary?

We need a sample size of n.

n is found when M = 0.02. So

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

0.02 = 1.96\sqrt{\frac{0.4*0.6}{n}}

0.02\sqrt{n} = 1.96*\sqrt{0.4*0.6}

\sqrt{n} = \frac{1.96*\sqrt{0.4*0.6}}{0.02}

(\sqrt{n})^{2} = (\frac{1.96*\sqrt{0.4*0.6}}{0.02})^{2}

n = 2304.96

Rounding up

The minimum sample size necessary is 2305.

8 0
3 years ago
What is the laterral surface area?
ch4aika [34]

Answer:

In other words, the surface area is the sum of all the areas of all the shapes that cover the surface of the object. On the other hand, the lateral surface area refers to the area of the sides of a shape , excluding its base and top area.

Step-by-step explanation:

6 0
3 years ago
A line passes through the points (0,5) and (3,6). What is its equation in slope-intercept
alexandr402 [8]

Answer:

y = 1/3x + 5

Step-by-step explanation:

Slope = (change in y)(change in x)

Slope = (6 - 5)/(3 - 0)

Slope =  1/3

Substitute m = 1/3 and one given ordered pair  into y = mx + b. using (3, 6)

y = mx+ b

6 = 1/3(3) + b

6 = 1 + b

5 = b

the equation is y = 1/3x + 5

8 0
3 years ago
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