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aev [14]
3 years ago
14

How do I solve for question 18 and what is the answer? Please help ASAP❤️

Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0
Get the angle of pq and divided by 2 then that's your angle for r.
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Since the beginning of the year, 1982 people have come into a blood bank to donate blood and 340 were found to have high blood p
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0.1715

Step-by-step explanation:

From previous experience 340/1982 is the past probability that a person has high blood pressure.

The division of that leads to 0.1715 that the next person will have high blood pressure. That number is roughly (very roughly) 1 person in 6. So if 6 people come in 1 will have high blood presure.

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artcher [175]
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Use the substitution and to rewrite the equations in the system in terms of the variables and . Solve the system in terms of u a
Tatiana [17]

Answer:

x = -1 and y = 1/2

Step-by-step explanation:

Let u = 1/x, and v = 1/y

Then the pair of equations

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Can be written as

-3u + 4v = 11 .................................(1)

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From (2)

u = 2v - 5 .......................................(3)

Substituting (3) into (1)

-3(2v - 5) + 4v = 11

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u = 2(2) - 5

= 4 - 5

= -1

That is

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Since u = 1/x, and v = 1/y, we have

1/x = -1

=> x = -1

And

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Therefore

x = -1 and y = 1/2

4 0
3 years ago
23. A grid shows the positions of a subway stop and your house. The subway stop is located at (-5, 2) and your house is located
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3 years ago
BRAINLIEST IF CORRECT PLEASE HELP!!!
timofeeve [1]

Answer:

balanced reaction: <u>1</u> C3H8 + <u>5</u> O2  ---->  <u>3</u> CO2 + <u>4</u> H2O

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