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olchik [2.2K]
3 years ago
5

What is the unit rate of 162 heartbeats in 60 seconds?

Mathematics
2 answers:
Rus_ich [418]3 years ago
6 0
Hey friend!
You stuck?

In order to find the unit rate of 162 heart  beats, you must use division.
162 ÷ 60 = 2.7 heartbeats per second.  Therefore, your unit rate is 2.7.

Hope this helps mate! :)
svetoff [14.1K]3 years ago
4 0
162/60 = 2.7 heartbeats per second
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Point Q is the midpoint of GH¯¯¯¯¯¯ . GQ=2x+3, and GH=5x−5 .<br><br> What is the length of GQ¯¯¯¯¯ ?
AveGali [126]

Point Q is the midpoint of GH

so GQ = QH

Given GQ=2x+3, and GH=5x−5 .

2x + 3 = 5x − 5

3x = 8

x = 8/3

GQ = 2(8/3) +3

GQ = 16/3 + 3

GQ = 16/3 + 9/3

GQ = 25/3

GQ = 8 1/3

3 0
3 years ago
When D is placed on this square, what will the perimeter of the square be?
Semmy [17]

I can't see a square or a D given with your question.

But to find the perimeter you just have to add the surface of every side of the square.

8 0
3 years ago
What is the equivalent of pi over 6 radians in degrees?
ra1l [238]

To find the answer to this problem, you can use the unit circle to see that pi over 6 radians is equal to 30°

Another way is to use the equation: degrees = radians • (180 over pi)

In this example, plugging in the radians portion of the equation gives us: degrees = (pi over 6) • (180 over pi), which will become degrees = (180pi over 6pi)

Simplify and pi cancels out to give us degrees = 30

Answer: 30°

3 0
3 years ago
Maristella is constructing an isosceles triangle to use as a model in her Algebra class. The perimeter of her triangle is 24 cm.
Vlada [557]

Isolating s, the equation written in terms of s is:

s = 12 - 0.5b

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

  • The equation for the length of the third side, as stated in the problem,("Maristella uses the equation b = 24 – 2s to find b, the length of the triangle's third side") is:

b = 24 - 2s

  • To solve for the lengths of the congruent sides, we isolate s, thus:

b = 24 - 2s

2s = 24 - b

Inverse of multiplication is division, thus:

s = \frac{24 - b}{2}

Separating into two fractions:

s = \frac{24}{2} - \frac{b}{2}

Solving each fraction:

s = 12 - 0.5b

A similar problem is given at brainly.com/question/5123313

3 0
3 years ago
83,78, 99,56, 48, 74, 68,55,85
____ [38]

Answer:

48, 55, 56, 68, 74, 78, 83, 85, 99

Mean: 71.77777777777777777..........

Median: 74

Mode: mode is the number seen the most, but there is no repeating values

Range: 51

Step-by-step explanation:

<u>Mean:</u>

add all the values together, and divide by how many values you have, so 646/9= 71.777777777............

<u>Median:</u>

the number in the middle of the sequence

<u>Range:</u>

the difference between the largest and smallest numbers/values.

I hope this helps u pls give a brainliest and a thx ;)

3 0
3 years ago
Read 2 more answers
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