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aleksley [76]
2 years ago
12

2, Ivan walks 4 miles in 80 minutes, How many miles can she walk in 345 minutes?​

Mathematics
1 answer:
posledela2 years ago
3 0

Answer:

17.5 milies

Step-by-step explanation:

80/4

=20/1

This means that Ivan can walk 1 mile in 20 minutes

To figure out how many miles Ivan can walk in 345 if she continues at that pace you divide 345 by 20

345/20 = 17.5

This means Ivan can walk 17.5 milies in 345 minutes

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How to do this I will really need help​
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The end result should be in between the points

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Why is it not reasonable to have a linear trinomial with only one type of letter?
Rus_ich [418]
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5 0
4 years ago
Using the law of cosines, a=2.2
Shkiper50 [21]
Answer: 81°


Explanation:


1) Law of cosines:


In a triangle with sides a, b, c whose opposite angles are, respectively, A, B and C, the law of cosines states:


b² = a² + c² - 2 (a)(c) cos (B)


2) In the triangle of the figure you have


b = 4.0
B = ?
a = 2.2
c = 3.7

⇒ (4.0)² = (2.2)² + (3.7)² - 2 (2.2) (3.7) cos(B)

⇒ 16 = 4.84 + 13.69 - 16.28cos(B)

⇒ 16.28 cos(B) = 4.84 + 13.69 - 16 = 2.53

⇒ cos(B) = 2.53 / 16.28

⇒ X = arccos(2.53 / 16.28 ) = 81.06° ≈ 81°


7 0
4 years ago
Determine the range of the function g of x is equal to negative square root of the quantity x squared plus 16 end quantity
vova2212 [387]

Option A is correct. The range of the function  g(x)=-\sqrt{x^2+16} given above expressed as an interval notation is (–∞, ∞)

Given the function g(x)=-\sqrt{x^2+16}

  • We are to find the range of the function.

  • First, we can see that the value of x² inside the square root will always be a positive value no matter the domain values of x.

  • Since the input value exists on all real numbers, hence<em> the output values will also exist on all real numbers since the </em><em>range</em><em> is dependent on the values of the </em><em>domain.</em>

Hence the range of the function given above expressed as an interval notation is (–∞, ∞)

Learn more here: brainly.com/question/16724504

5 0
2 years ago
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