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Anestetic [448]
3 years ago
10

The two figures are similar. Find the ratios

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

1/5 to 1/5

Step-by-step explanation:

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Original Price of a truck $17,100.00 Tax:2.4%
krok68 [10]
Final Price: 17,510.40 dollars

You multiple the tax by the original to get the amount of tax. Then you add it to your original to get total price.
7 0
3 years ago
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The ELISA test was an early test used to screen blood donations for antibodies to HIV. A study (Weiss et al. 1985) found that th
patriot [66]

Answer:

0.057258

Step-by-step explanation:

From the statement of the problem, the following information were given:

  • P(Positive|HIV)=0.979
  • P(Negative|No HIV)=0.919
  • P(HIV)=0.005

The following can be derived:

  • P(Positive|No HIV)=1-P(Negative|No HIV)=1-0.919=0.081
  • P(No HIV)=1-P(HIV)=1-0.005=0.995

We are to determine the probability that a person has HIV given that they test positive. [P(HIV|Positive)]

Using Baye's theorem for Conditional Probability

P(HIV|Positive)=\dfrac{P(Positive|HIV)P(HIV)}{P(Positive|HIV)P(HIV)+P(Positive|No HIV)P(No HIV)}=\dfrac{0.979*0.005}{0.979*0.005+0.081*0.995}

P(HIV|Positive)=0.057258

The probability that a random person tested has HIV given that they tested positive is 0.057258.

5 0
4 years ago
Nathan earns $1500 a week. Calculate his new weekly wage if he receives a pay rise of 20%
bazaltina [42]

Answer:

$1800

Step-by-step explanation:

1. Approanch

An easy way to calculate one's salary after they recive a raise is to, convert the percent that one's salary is increased into a decimal; divide the percent by 100. Then multiply the increase as a decimal by the original salary, to attain the amount the salary is raised by. Finally add the amount the salary is raised by to the original salary to find the new salary. A quicker way to do this is to convert the percent by the salary is increased into a decimal. Then add 1 to that number. Finally one will multiply that number by the original slary and get the new salary.

2. Solving

Original salary; 1500

Raise; 20%

<u>a. convert the raise as a percent into a decimal, then add 1</u>

20% = 0.2

0.2 + 1 = 1.2

<u>b. multiply the number by the original salary</u>

1.2 * 1500

1800

8 0
3 years ago
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Plzzz help me i will give brainlist i really need help ITS TIMED PLZZZ ITS EASY TOO JUST PLZ HELP
choli [55]

Answer:

1. Likely.

2. Unlikely

3. Unlikely

4. Neither

5. Likley

Step-by-step explanation:

7 0
3 years ago
A machine packs boxes at a constant rate of 2/3 of a box every 1/2 minute. What is the number of boxes per minute that the machi
larisa [96]
2/3 box  per 1/2 minute => 2(2/3) box per 2(1/2) minute 

Thus it is 4/3 box per minute
5 0
4 years ago
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