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dsp73
3 years ago
15

Brian has reduced his cholesterol level by 14% after his last check up. If his original level was 200, what is his cholesterol l

evel now?
Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0

Answer:

228

Step-by-step explanation:

aleksandr82 [10.1K]3 years ago
4 0

Answer:

his cholesterol level is 172

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candice bought 3 shirts. Each shirt cost the same amount and was discounted by 3.66. Candice paid a total of 62.31 before tax. H
Sedaia [141]
Just divide 62.31 by three. The subtract the number you get by 3.66. That should be your answer.
7 0
3 years ago
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Find two consecutive integers whose product is 50
GarryVolchara [31]

n, n+1 - two consecutive integers

n(n + 1) = 50     <em>use distributive property</em>

n² + n = 50     <em>subtract 50 from both sides</em>

n² + n - 50 = 0

-----------------------------------------------------

ax² + bx + c =0

if b² - 4ac > 0 then we have two solutions:

[-b - √(b² - 4ac)]/2a and [-b - √(b² + 4ac)]/2a

if b² - 4ac = 0 then we have one solution -b/2a

if  b² - 4ac < 0 then no real solution

----------------------------------------------------------

n² + n - 50 = 0

a = 1, b = 1, c = -50

b² - 4ac = 1² - 4(1)(-50) = 1 + 200 = 201 > 0 → two solutions

√(b² - 4ac) = √(201) - it's the irrational number

Answer: There are no two consecutive integers whose product is 50.

3 0
3 years ago
Two parallel lines are crossed by a transversal . What is the value of k?
bulgar [2K]

Answer:

The value of is equal to k=60\°

Step-by-step explanation:

we know that

(2k+11)\°=131\° -----> by alternate exterior angles

solve for k

2k=131\°-11\°

k=120\°/2=60\°

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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Write as a mixed fraction: 22 / 3
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I think this is it, i would like for u to get a second opinion.

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3 years ago
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