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andreev551 [17]
3 years ago
9

a person stands 15 ft from an elephant. determine how tall the elephant is in feet, the given diagram

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Answer:

First

Step-by-step explanation:

● tan 30° = opposite/adjacent

Let x be the missing hight

● tan 30° = x/15

Multiply both sides by 15

● tan 30° *15 = (x/15)*15

● tan 30°*15 = x

● x = 8.66 wich is approximatively 5×√(3)

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Find the distance between<br> (5 , 1 ) and ( 3 ,6)
crimeas [40]

Answer:

Step-by-step explanation:

\sqrt{(6-1)^{2}+(3-5)^{2}  }=\sqrt{29}

                               =5.39(correct to nearest hundredth)

5 0
3 years ago
An urban planner is researching commute times in the San Francisco Bay Area to find out if commute times have increased. In whic
Mademuasel [1]

Answer:

Step-by-step explanation:

The urban planner collects travel times from a random sample of 125 commuters in the San Francisco Bay Area. A traffic Study from last year claimed that the average commute time in the San Francisco Bay Area is 45 min. The urban planner will see if there is evidence the average commute time is greater than 45 minutes

( Here in this case, Null hypothesis will be Η :μ = 45

And the Alternate Hypoyhesis will be   H, :μ> 45 )

C. The urban planner asks a random Sample of 100 commuters in the San Francisco Bay Area to record travel times on a Tuesday morning. One year later, the urban planner asks the same 100 commuters to record travel times on a tuesday morning . The urban planner will see the difference in commute time shows an increase.

Here in this case the null hypothesis will be, H₀ : \mu _d = 0

And the Alternate Hypothesis will be   H, : \mu _d <0 The commute time after 1 year is more

5 0
3 years ago
Read 2 more answers
Michael buys a ball for 5.50 and a flashlight for 3.65. If he has 10.00 how much change we’ll he receive
Sveta_85 [38]

Answer:

.85 cents

Step-by-step explanation:

3 0
3 years ago
If two distinct planes intersect , then their intersection is a line . Which geometry term does the statement represent
Rom4ik [11]

Answer:

POSTULATE

Step-by-step explanation:

<em>A postulate is a statement that is assumed true without proof. A theorem is a true statement that can be proven </em>

<em> </em>

<em>  </em>

<em> </em>

<em>In geometry, the theorem is considered valid or correct with which its assertion is practically not refuted by almost anyone, whether it is really true or not. </em>

<em> </em>

<em>  </em>

<em> </em>

<em>This, in practice, implies that all students of the subject share the same criteria on the theory. Thus, the postulates, in short, have the following characteristics: </em>

<em> </em>

<em>  They are presumed true by most of the scholars in the field. </em>

<em> </em>

<em>Its contradiction goes against the very essence of the subject. </em>

<em> </em>

<em>Postulate 6: If two planes intersect, then their intersection is a line.</em>

<em />

<em>See Attachment for Details ^^</em>

<em>The image attached  represents the statement given in the question (If two distinct planes intersect, then their intersection is a line)</em>

<em>Therefore</em><em>, </em>

<em> </em>

<em>The Geometry term that represents the statement above is POSTULATE</em>

5 0
3 years ago
Somebody help me with this
zubka84 [21]

Answer:

1

Step-by-step explanation:

when multiplying fractions it doesn’t matter if they have the same denominator (bottom) just multiply straight across

(6/12)x(6/3)

36/36

1

4 0
3 years ago
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