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kotykmax [81]
3 years ago
6

Which of the inequalities represents the statement, "two times a number x, less 15, is greater than or equal to 4 times the numb

er y"?

Mathematics
2 answers:
Damm [24]3 years ago
5 0
The choices are:

A) 
2x - 15 ≤ 4y 


B) 
2x - 15 ≥ 4y 


C) 
15 - 2x ≤ 4y 


D) 
<span>15 - 2x ≥ 4y
</span>
Therefore, the best and most correct answer among the choices provided by the question is the fourth choice "<span>15 - 2x ≥ 4y". </span>I hope my answer has come to your help. God bless and have a nice day ahead!
faust18 [17]3 years ago
5 0

we know that

1) The expression "two times a number x, less 15", represent the equation

2x-15

2) The expression "4 times the number y", represent the equation

4y

3) The expression "is greater than or equal to", represent the symbol

\geq

so

4)The complete expression "two times a number x, less 15, is greater than or equal to 4 times the number y", represent the inequality

2x-15\geq 4y

using a graphing tool

see the attached figure

The solution is the shaded area below the full line

<u>The answer is</u>

2x-15\geq 4y




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worty [1.4K]

Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

  • <em>16 = -10 cos(2π/150 t)+10</em>

<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

  • <em>16 = -10 cos(2π/150 t)+10</em>

  • 10cos(2π/150 t) = - 6

  • cos(2π/150t) = -0.6

  • 2π/150t = arccos(-0.6)

  • 2π/150t = 2.214297

  • t = 52.86s ≈ 53 s ← answer
4 0
3 years ago
Maria compró una blusa con valor de $300, sólo pagó $240. ¿Cuál fue el porcentaje de descuento que le hicieron?
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300 - 240 = 60

60 = 20%

Respuesta:El descuento fue del 20%.

Espero te sirva :

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Determine whether the cost for ordering multiple items that will be delivered is sometimes, always or never proportional. Explai
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Can someone please help fast will give brainelist
Vanyuwa [196]

Answer:

A.

Step-by-step explanation:

y = mx + c

m = y - y¹ / x - x¹

= 4-3 / 4-2

= 1/2

using (4,4)

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4 = 2 + c

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equ..=

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