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insens350 [35]
3 years ago
9

How many solutions does the given system of equations have?

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:

2

Step-by-step explanation:

I think the correct answer would be 2

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The Target heart rate for fit person of age a exercising at p percent of his or her heart rate is determined by the expression 1
natita [175]

Answer: 9p - 1.5a

Step-by-step explanation:

Your maximum heart rate is about 220 minus your age. But it varies base on age category.

Target heart rate during moderate intensity activities is about 50-70% of maximum heart rate.

According to the question;

Target heart rate for

women = 1/2p(418-4a)

= 209p - 2a ....... (1)

men = 1/2p(400-a)

= 200p - 0.5a .......(2)

To find the difference between the target heart rates for a fit woman and a fit man, take equation 1 from equation 2

(209p - 2a) - (200p - 0.5a)

209p - 2a - 200p + 0.5a

9p -1.5a

7 0
4 years ago
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saw5 [17]

Answer:

The median is the middle term in the arranged data set. ... The median class interval is the corresponding class where the median value falls.

Step-by-step explanation:

The median is the middle term in the arranged data set. ... The median class interval is the corresponding class where the median value falls.

8 0
3 years ago
What is the right answer???? Please do not answer if you don’t know. Do not waste my points. This is trigonometry.
UNO [17]

Length of PS= 3.99 units

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7 0
3 years ago
Given the point (2,3) and the slope of 4 ,find y when x=22
Mariulka [41]
Y - y₁ = m(x - x₁)
 y - 3 = 4(22 - 2)
 y - 3 = 4(20)
 y - 3 = 80
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4 0
4 years ago
Read 2 more answers
Which graph represents the inequality y≥1−3x?
Slav-nsk [51]

Answer:

first one

Step-by-step explanation:

4 0
4 years ago
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