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katrin2010 [14]
3 years ago
5

A landscape architect submitted a design for a triangle-shaped flower garden with length of 21 feet, 37 feet, and 15 feet to a c

ustomer. Explain why the architect was not hired to create the flower garden
Mathematics
1 answer:
OLga [1]3 years ago
3 0

Answer:

Therefore this triangle is not possible. This is the reason the architect was not hired.

Step-by-step explanation:

i) In a triangle we know that the sum of any two sides should be greater than or equal to the remaining side.

ii) The sides of the triangle are 21 feet, 37 feet, 15 feet.

iii) If we add the two smaller sides we get 21 feet + 15 feet =  36 feet which is less than the remaining side which is 37 feet.

Therefore this triangle is not possible. This is the reason the architect was not hired.

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he pulse rates of 179 randomly selected adult males vary from a low of 43 bpm to a high of 115 bpm. Find the minimum sample size
malfutka [58]

Answer:

97

Step-by-step explanation:

Given that:

Low = 43bpm

High = 115 bpm

Error = 3

α = 90%

To find the range estimate :

Standard destviation = (high - low) / 4

Standard deviation = (115 - 43) / 4

Standard deviation = 72/4 = 18

The sample size,(n) :

n = [(Zα/2 * sd)/E] ²

2 - tail = (Zα/2) = 1.645

[(Zα/2 * sd)/E] ² = [(1.645 * 18) / 3]² = (29.61/3)²

= 97.41

Sample size = 97

5 0
3 years ago
Hi.i need help with this.i will apreciate the answer:)))
Anvisha [2.4K]
Here is how to work 2, 3 , and 4.

7 0
3 years ago
Plllzzz im new and i neeed help
ella [17]

Answer:

4082

Step-by-step explanation:

Given

The composite object

Required

The volume

The object is a mix of a cone and a hemisphere

Such that:

<u>Cone</u>

r = 10cm ---- radius (r = 20/2)

h = 19cm

<u>Hemisphere</u>

r=10cm

The volume of the cone is:

V_1 = \frac{1}{3}\pi r^2h

V_1 = \frac{1}{3}\pi * 10^2 * 19

V_1 = \frac{1900}{3}\pi

The volume of the hemisphere is:

V_2 = \frac{2}{3}\pi r^3

V_2 = \frac{2}{3}\pi 10^3

V_2 = \frac{2000}{3}\pi

So, the volume of the object is:

V = V_1 + V_2

V = \frac{1900}{3}\pi + \frac{2000}{3}\pi

V = \frac{3900}{3}\pi

V = 1300\pi

V = 1300 * 3.14

V = 4082

8 0
3 years ago
What is 4 divided by 2 3/4. for 6th grade math
Goshia [24]

Answer:

3 1/3

Step-by-step explanation:

4/(2 3/4)

4/(6/4)

4÷6/4

4*4/6

20/6

3 2/6 =3 1/3

8 0
2 years ago
Please help. will mark brainliest
Otrada [13]

Answer: AC = A'C'

Then you can use the hypotenuse leg theorem to say that the two triangles are similar

Step-by-step explanation:

7 0
2 years ago
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