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pogonyaev
3 years ago
15

How to solve letters and numbers in a box

Mathematics
1 answer:
olga_2 [115]3 years ago
3 0
It depends on what its asking for and what dimension it is. If its 2D, the area is lengthXwidth, and perimeter you would add all the side lengths. If its 3D, volume is lengthXwidthXheigth.
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A person x inches tall has a pulse rate of y beats per​ minute, as given approximately by yequals600 x Superscript negative 1 di
tankabanditka [31]

Answer:

a) 5.13beats/min

b) 2.82 beats/min

Step-by-step explanation:

Given the pulse rate of a person modelled by the equation y = 600x^-1/3 for 30≤x≤75

If the height is 39inches, the instantaneous rate of change of pulse rate for the heights will be expressed as;

y = 600(39)^-1/3

y = {600(1/39)}/3

y = 600/39×3

y = 600/117

y ≈ 5.13beats/min

The instantaneous rate for a 39 inches tall person is 5.13 beats per min

b) For a 71inches tall person, the beat rate will be expressed as;

y = 600(71)^-1/3

y = {600(1/71)}/3

y = 600/71×3

y = 600/213

y ≈ 2.82 beats per minute

The instantaneous rate for a 71 inches tall person is 2.82 beats per min

7 0
3 years ago
Antonio is making a mini waffle cones. Each waffle cone is 3 inches high and has a radius of 3/4 inches. What is the volume of t
castortr0y [4]
I got 7.065 for my answer.
3 0
3 years ago
Hi, hope you are well, please help me on this (:
valina [46]

Answer:

1. True

2. False

3. True

Step-by-step explanation:

1. (x,y) = (3,1). x = 3; y = 1

2. Vertical is y and horizontal is x

3. The origin is (0,0), The only time these two x and y axis intercept.

5 0
2 years ago
Who can help me?<br>please<br>Thank you​
4vir4ik [10]

The sum of the interior triangles in a triangle is 180, so if we add all the angle measures together, we should get 180. Therefore, we can make an equation like this,

110-2x+x+50+5x-40=180

Simplify this.

4x+120=180

4x=60

x=15

Now we can find each angle measure.

110-2x

110-2(15)

110-30

80

x+50

15+50

65

5x-40

5(15)-40

75-40

35

So the angle labeled 110-2x is the largest angle in the triangle.

7 0
3 years ago
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Pls help i only have 10 minutes on my math test!!<br> the ratios are<br><br><br> 8:5 ?????:10
dlinn [17]

Answer:

yes

Step-by-step explanation:

5 0
2 years ago
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