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3 years ago

Find the total amount of interest earned on this savings account. Time: 7 years Interest Rate: 2.5% Principal: $4,556 Interest:

2 answers:

9 0

Interest rate is a portion of a loan that is charged as interest. Usually, it is expressed as an annual interest rate. It has two types which are the simple interest rate and the compounding interest rate. For this, we have a simple interest rate. Calculations are as follows:

Interest earned = 4556 x 0.025 x 7 = $797.3

nataly862011 [7]3 years ago

9 0

it is, C. $797.30 because 2.5% of $4556 is 182.24

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Someone please help me on math please

Ratling [72]

The answer is 0.12 millimeters because if you multiplied the numbers it would give you 0.12 mm hope this is correct

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2 years ago

Select all of the following statements that are true:

Maurinko [17]

Answer:

B. You shouldnt take a random sample of more than 5% of the population size.

Step-by-step explanation:

B. You shouldnt take a random sample of more than 5% of the population size. This is True, so as to avoid the research analysis to be more complex to interpret and analyzed

However, the following are not true statements:

A. Random samples only generate unbiased estimates of long-run proportions, not long-run means. This is False, as there may be sampling error, when picking the sample, which will lead to bias estimates in the long run proportions

C. There is no way that a random sample of 100 people can be representative of all adults living in the United States. This is False, as using the right factors such as gender, age, income, etc, in selecting the sample, 100 people is enough to use as sample of adults living in the United States

D. If this question is voted out, the alternate option is "larger samples are always better than smaller samples, regardless of how the sample was collected." This is False, larger samples are not always better than smaller samples. In fact, they are often difficult to analyze and interpret.

E. Nonrandom samples are always poor representations of the population: This is False, depending on the expected outcome of the research study. Some research studies required the research to use Nonrandom samples to reach verifiable conclusion.

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3 years ago

A covered water tank is in the shape of a cylinder the tank has 28 inch diameter and the high is 66 inches to the nearest square

posledela

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3 years ago

Please answer the attached question by selecting of the the given answers.

Alchen [17]

Answer:

The correct answer is option A. Base = 11 cm and height = 13 cm

Step-by-step explanation:

It is given that, height of a triangle is 2 cm more than its base.Then height is increased by 2 cm.Then the area of triangle becomes 82.5 cm²

To find the base an d height of original triangle

Let x be the original base 'b' then the height h = x + 2

New height h = x + 2 + 2 = x + 4

Area = bh/2

82.5= (x(x + 4)/2

165 = x² + 4x

x + 4x - 165 = 0

Solving we get x = 11 and x = -15

Take positive value x = 11

Therefore base = 11 and height = x + 2 = 13 cm

The correct answer is option A. Base = 11 cm and height = 13 cm

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3 years ago

Please help on number 9 and 10. Will mark brainliest.

Alenkasestr [34]

Answer:

9. 1.24 mL

10. $5.93

Step-by-step explanation:

Question 9:

If the dosage of medicine is 0.01 mL per pound of weight of the patient, and the patient's weight is 124 pounds, we can set up an equation to solve for how much medicine the patient would need to take:

Dosage of medicine per pound of body weight x Total body weight = Total medicine required

0.01 * w = m,

where w is total body weight and m is total medicine required.

To solve for the dosage the patient needs, just plug the numbers into the right places (124 for w and leave m as it is):

0.01 * 124 = m

1.24 = m

Therefore, a patient with a body weight of 124 pounds would need a 1.24 mL dosage.

Question 10:

To make the multiplication easier, we could rewrite 15% as 0.15 ( because 15% = 15/100):

0.15 * Total bill = Total tax payed for bill (Also can be written as $\frac{15}{100} * 39.51$ )

0.15*39.51 = Total tax

5.9265 = Total tax

5.93 = Total tax <-------- (rounded)

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2 years ago