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2 years ago

Calculate the maturity value for an interest-bearing note of $28,500 for 118 days at 8%

1 answer:

8 0

Hi I'm new so but what you have to do is add the money up than you should add it with the 118 days because i just did this quiz and i got an 100% all the way and plz put this the bralnl' yest
p.s your wolcome

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An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation of all

lakkis [162]

Answer:

$n=(\frac{0.539(2.2)}{0.3})^2 =15.62 \approx 16$

So the answer for this case would be n=16 rounded up to the nearest integer

Step-by-step explanation:

For this case we have the following info given:

$\sigma = 2.2$ represent the population deviation

$Confidence =0.8$

$ME = 0.3$ represent the margin of error desired

The margin of error for the true mean is given by this formula:

$ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}$ (a)

And on this case we have that ME =0.03 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

$n=(\frac{z_{\alpha/2} \sigma}{ME})^2$ (b)

The confidence level is 80%, the significance would be $\alpha=0.2$ and $\alpha/2 =0.1$ the critical value for this case is $z_{\alpha/2}=0.539$ , replacing into formula (b) we got:

$n=(\frac{0.539(2.2)}{0.3})^2 =15.62 \approx 16$

So the answer for this case would be n=16 rounded up to the nearest integer

5 0

2 years ago

Which scenario depicts two independent events? A teacher is calling on students to present their reports. He calls on Mario firs

Vsevolod [243]

Choosing the coaches of the basketball teams is independent because which girl he chooses does not influence nor is it influenced by the choice for the boy

4 0

2 years ago

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ABC is a triangle and PQ is parallel to BC.<br>BC=12.6cm, PQ=8.4 cm and AQ= 7.2 cm.<br>Find AC

nlexa [21]

With a line parallel to a side through a triangle we get similar triangles so a proportion.

AC : BC = AQ : PQ

AC = BC AQ / PQ

AC = 12.6 (7.2) / 8.4

AC = 10.8 cm

Answer: 10.8 cm

6 0

2 years ago

Given: Quadrilateral PQRS is a rectangle. Prove: PR = QS Reason Statement 1. Quadrilateral PQRS is a rectangle. given 2. Rectang

Alex73 [517]

Answer:

Step-by-step explanation:

Given: Quadrilateral PQRS is a rectangle.

To prove: PR = QS

Proof: 1. Quadrilateral PQRS is a rectangle(Given).

2. Rectangle PQRS is a parallelogram (Definition of a rectangle).

3. QP ≅ RS QR ≅ PS (Opposite angles of parallelogram are equal).

4. m∠QPS = m∠RSP = 90° (definition of a rectangle)

5. Δ PQS ≅ ΔSRP (SAS criterion for congruence)

6. PR ≅ QS (Corresponding sides of congruent triangles are congruent).

7. PR = QS (Congruent line segments have equal measures).

6 0

2 years ago

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A low-strength children’s/adult chewable aspirin tablet contains 81 mg of aspirin per tablet. How many tablets may be prepared f

Svetlanka [38]

Answer:

12,345 tablets may be prepared from 1 kg of aspirin.

Step-by-step explanation:

The problem states that low-strength children’s/adult chewable aspirin tablets contains 81 mg of aspirin per tablet. And asks how many tablets may be prepared from 1 kg of aspirin.

Since the problem measures the weight of a tablet in kg, the first step is the conversion of 81mg to kg.

Each kg has 1,000,000mg. So

1kg - 1,000,000mg

xkg - 81mg.

1,000,000x = 81

$x = \frac{81}{1,000,000}$

x = 0.000081kg

Each tablet generally contains 0.000081kg of aspirin. How many such tablets may be prepared from 1 kg of aspirin?

1 tablet - 0.000081kg

x tablets - 1kg

0.000081x = 1

$x = \frac{1}{0.000081}$

x = 12,345 tablets

12,345 tablets may be prepared from 1 kg of aspirin.

4 0

2 years ago