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Nady [450]
3 years ago
6

Brain has reduced his cholesterol level by 15% by following a strict diet and regular exercise. If his original level was 240, w

hat is his cholesterol level now?
Mathematics
1 answer:
Nataly [62]3 years ago
5 0

Answer: 204

Step-by-step explanation: 15% of 240 is 36 so subtract 36 from 240 and you get 204

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A rectangle has an area of 40 sq units , then length is 6 units greater than the width
devlian [24]

Answer:

A=L*W

Let w be width

L=(w+6)

40=(w+6)*w

40= w^{2} +6w

w^{2} +6w-40=0

w^{2}+10w-4w-40=0  

w(w+10)-4(w+10)=0

(w-4)(w+10)=0

w=4

Length= 10 units

Width=4 units

Step-by-step explanation:

6 0
3 years ago
What is the equation for a line passing through (-2,3) and perpendicular to y= -1/2+1 ?
nata0808 [166]

Answer:

y=2x+7

Step-by-step explanation:

<u><em>The correct question is</em></u>

what is the equation for a line passing through (-2,3) and perpendicular to y= -1/2<em>x</em>+1 ?

Remember

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes are equal to -1)

The slope of the given line is m=-1/2

so

the opposite reciprocal is m=2

<em>Find the equation of the line in point slope form</em>

y-y1=m(x-x1)

we have

m=2\\point\ (-2,3)

substitute

y-3=2(x+2)

<em>Convert to slope intercept form</em>

y=mx+b

isolate the variable y

y-3=2x+4

y=2x+4+3

y=2x+7

3 0
3 years ago
What system the system that is made up of the heart,blood, and blood vessels is called the ____ this is for sceince but i cant f
Fiesta28 [93]

Answer:

Cardiovascular system

Step-by-step explanation:

8 0
2 years ago
help please due today please please please please please please please please please please please please please please please p
bulgar [2K]

Answer:

10/11×99=90

Step-by-step explanation:

10/11×99=90

20/20×99=99

12/7×99=169 5/7

16/15×99=105 3/5

5 0
3 years ago
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90 mm ..................
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3 years ago
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