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Gnoma [55]
4 years ago
10

You collect a total of $160 in donations from three people. The three donations are in the ratio 5 : 5 : 10.

Mathematics
1 answer:
likoan [24]4 years ago
4 0
5 + 5 + 10 = 20
x + y + z = 160

5 × 80 : 5 × 80 : 10 × 80
400 : 400 : 800
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What is 8 to the power of negative 4 as a fraction please I need help.
andrey2020 [161]
1/5000 ; sorry maybe wrong
8 0
3 years ago
Determine the value of x.
Akimi4 [234]

Answer:   \frac{10}{\sqrt{3}}

This is equivalent to \frac{10\sqrt{3}}{3}

======================================================

Explanation:

To get the first value mentioned above, we simply divide the long leg (10) over the square root of 3.

This is due to the fact that if x is the short leg, then x*sqrt(3) is the long leg. We go in reverse of this process to go from long leg to short leg.

The expression \frac{10}{\sqrt{3}} is the same as \frac{10\sqrt{3}}{3} after we multiply top and bottom by sqrt(3) to rationalize the denominator.

Side notes:

  • This entire process only applies to 30-60-90 triangles.
  • The hypotenuse of a 30-60-90 triangle is twice as long as the short leg, so the hypotenuse is 2x = 2*\frac{10\sqrt{3}}{3} = \frac{20\sqrt{3}}{3}  units long.
  • You could use the tangent ratio to help isolate x. You would either say tan(30) = x/10 or tan(60) = 10/x as the first equation to set up.
8 0
3 years ago
Which graph represents the same relation as the table below?
alexandr402 [8]

<u><em>Graph in Option D is the correct choice.</em></u>

  • From the given table, we can deduce that;

When x = -2, y = 5

When x = 0, y = 1

When x = 1, y = -1

When x = 2, y = -3

  • From these values gotten as coordinates from the table given in the question, we can be able to compare it with the graphs in the options.

  • Now, looking at the graphs attached, the only one that has these exact same coordinates as listed earlier is the last graph.

  • The reason the last graph is the correct one is because in tracing the points on the graph, we see that;

- at x = -2, we trace that y = 5

- at x = 0, we trace that y = 1

- at x = 1, we trace that y = -1

- at x = 2, we trace that y = -3

All these coordinates from the graph correspond with the ones on the given table. Thus;

Graph in Option D is the correct choice.

Read more at; brainly.com/question/17110183

7 0
3 years ago
Write one job you might get with an associate degree.
netineya [11]

Answer:

Careers You Can Get with an Associate Degree

•Dental Hygienists. Dental hygienists play a crucial role in making sure that patients have clean and healthy teeth and gums. ...

•Veterinary Technicians. ...

•Paralegal. ...

•HVAC Technician. ...

•Ultrasound Technician. ...

•Court Reporter. ...

•Human Resources Assistant. ...

•Medical Assistant.

Step-by-step explanation:

Sorry kenzee... Maybe I'm wrong again or something..

But maybe it helps too..

Just correct me if I'm wrong..

3 0
3 years ago
Read 2 more answers
Which prism has a greater volume?
g100num [7]

Answer:

b

Step-by-step explanation:

7 0
3 years ago
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