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Advocard [28]
3 years ago
5

An elephant can run 1/4 of a mile in 36 seconds. At this rate, which expression can be used to determine how fast an elephant ru

ns in miles per hour?
Mathematics
2 answers:
Naily [24]3 years ago
8 0
25 miles per hour....
Scilla [17]3 years ago
8 0
.25 = X
___
36 = 100

X = ___


It may be wrong though
You might be interested in
Find the value of z.
AVprozaik [17]

Answer:

  z = 110°

Step-by-step explanation:

Angles z and the one marked 70° form an linear pair, hence are supplementary.

  z = 180° -70° = 110°

<h3>Angles where chords cross</h3>

The angle made by two chords is half the sum of the arcs intercepted by those chords. Here, that means ...

  70° = 1/2(60° +x)   ⇒   x = 140° -60° = 80°

The arc w completes the circle of 360°, so we have ...

  w +x +79° +60° = 360°   ⇒   w = 360° -219° = 141°

Finally, z is the average of w and 79°:

  z = (w +79°)/2 = (141° +79°)/2 = 110° . . . as above

8 0
2 years ago
For a specific species of fish in a pond, a wildlife biologist wants to build a regression equation to predict the weight of a f
sashaice [31]

Answer: First of all, we will add the options.

A. Yes, because 3 inches falls above the maximum value of lengths in the sample.

B. Yes, because the regression equation is based on a random sample.

C. Yes, because the association between length and weight is positive.

D. No, because 3 inches falls above the maximum value of lengths in the sample.

E. No, because there may not be any 3-inch fish of this species in the pond.

The correct option is D.

Step-by-step explanation: It would not be appropriate to use the model to predict the weight of species that is 3 inches long because 3 inches falls above the maximum value of lengths in the sample.

As we can see from the question, the model only accounts for species that are within the range of 0.75 to 1.35 inches in length, and species smaller or larger than that length have not been taken into consideration. Therefore the model can not be used to predict the weights of fishes not with the range accounted for.

3 0
3 years ago
What is the surface area of the square pyramid? 30 m 18 m ות 36​
gayaneshka [121]

Answer:

the answer is 5100 im pretty sure.

Step-by-step explanation:

yes

4 0
2 years ago
Find the area of this right triangle <br> someone help me please
Aneli [31]

Answer:

54 sq ft

Step-by-step explanation:

Area of a triangle is given by :

Area = (1/2) x base x height

in our case, if we assume the base of the right triangle to be 12 feet, then the height is 9 feet

Substituting this into our equation

Area = (1/2) x 12 x 9

Area = 54 sq ft

8 0
3 years ago
Read 2 more answers
2. For the competition, each band member needs $12 for food. To get to the competition, the school rents 3 buses that cost $580
Kamila [148]

Answer:

(75 × 12) + (3 × 580) = 2640

Step-by-step explanation:

3 0
2 years ago
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