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juin [17]
2 years ago
13

Answer these pls Hshshsjjdhdnnddndndbdbdnx

Mathematics
1 answer:
ivann1987 [24]2 years ago
4 0
1. 4/7 2. 1/2 3. 28/105 4. 20 or 20/1

5. 12 or 12/1 6. 9 or 9/1 7. 33/30 or 1 3/30

8. 16/60 or 4/15 9. 15/20 or 3/4

10. 10/24 or 5/12 11. 4 19/24

12. 68/45 or 1 23/45 13. 3/4 of time

14. 1/8 (not 100% sure)
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A certain drug concentration of 2.145 mg per 1.716 mL, how many mL are needed to give 2.937 gram of the drug.
Ivenika [448]

Answer:

2,349.6‬ ml

Step-by-step explanation:

To start solving this, i realized that there was a difference in the units given and the units asked for in the answer, so I converted 2.937 grams to 2,397 mg. It is given that there are 2.145 mg of the drug in 1.716 mL, so set up the equation 2.145 / 1.716 = 2,937 / x, where x is the mL of the drug needed. Cross multiply to get 5039.892 = 2.145 x. Divide by 2.145 and get 2,349.6‬ ml

5 0
3 years ago
The fourth question please.
garik1379 [7]
Going from the left to the right. 9, 4, 13, 15, 12, 6, 11. The total cost is the sum of these, or $70,000.
8 0
3 years ago
A submarine starts at sea level and travels to a position that is a little lower than −24 feet. Use the drop-down menus to compl
Black_prince [1.1K]

Answer:

  1. The submarine's position means the distance it traveled is greater than 24 feet
  2. A possible position of the submarine is -27 feet

Step-by-step explanation:

Distance is generally a positive number. (Displacement, or position may be negative, as in this case.) If the sub started at 0 feet and went lower than -24 feet, it traveled a distance of more than 24 feet (greater than 24 ft).

Of the numbers listed, the only one lower than -24 is -27.

7 0
3 years ago
A computer generates 80 integers from 1 to 5 at random. The results are recorded in the table. What is the experimental probabil
matrenka [14]

The experimental probability of the computer generating a 2 is 20%.

<h3>What is the experimental probability?</h3>

The experimental probability determines the odds an event would happen based on the results of an experiment.

Experimental probability = ( number of times a 2 was generated / total number of numbers generated) x 100

(16 / 80) x 100 = 20%

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

8 0
1 year ago
Please help!!! Will mark brainliest answer if correct!!!! 
AlekseyPX

Answer:

x=4 and y=2

Step-by-step explanation:

Name the triangles as ABC and DEF,

Now, since both the triangles are congruent by HL rule, therefore

3y=x+2                      (1)

and x=y+2                (2)

Substituting the value of  x=y+2  in equation (1), we get

3y=y+2+2

2y=4

y=2

Therefore, Putting y=2 in equation (2),

x=4

6 0
3 years ago
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