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Marina86 [1]
3 years ago
11

Match the following trigonometric ratios with the correct equation for the triangle shown below.

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Step-by-step explanation:

24²+7²=25²

576+49=625

625=625

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An emergency room (ER) nurse noticed that there are an unusually high number of motor-vehicle accident injuries in the month of
Dmitrij [34]

4800 patients

Step-by-step explanation:

120 of 1000 means 12%

12% of 40000 is 4800

7 0
3 years ago
Simplify<br> 21x^6 y^5<br> 14x^2y^9
PIT_PIT [208]

Answer:

\frac{3x^{4} }{2y^{4} }

Step-by-step explanation:

Factor out 7 from top and bottom :

\frac{7(3x^6y^5)}{7(2x^2y^9)}

Divide top and bottom by 7 :

\frac{3x^6y^5}{2x^2y^9}

Simplify :  

\frac{x^6}{x^4}=x^{2}

Simplify :

\frac{y^5}{y^9} = y^{-4}  = \frac{1}{y^{4} }

Collect everything together :

\frac{3x^{4} }{2y^{4} }

Hope this helped and have a good day

5 0
2 years ago
Write the equation of the line that passes through the points (-7, 7) and (-6, -5).
defon

Answer:

y = -12x - 77

Step-by-step explanation:

The standard form of the equation is expressed as y = mx+b

m is the slope

Given the coordinate (-7, 7) and (-6, -5).

m = -5-7/-6+7

m = -12/1

m = -12

Get the intercept b

Substitute m= -12 and (-7 7) into y = mx+b

7 = -12(-7) + b

7 = 84 + b

b = 7 - 84

b = -77

Get the required equation

y = mx+b

y = -12x +(-77)

y = -12x - 77

This gives the required equation

4 0
2 years ago
A circle is inscribed in a square, as shown in the figure below. The length of
mafiozo [28]

Answer:

78.5 cm^2

Step-by-step explanation:

the circle's diameter is 10cm --> its radius is 5cm

the area of the circle is 5^2 x 3.14 = 78.5cm^2

4 0
3 years ago
What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that i
lara31 [8.8K]

Answer: when a number is multiplied by itself, it will give you a perfect square.

For example: 5x5= 25 or 4x4= 16.

Step-by-step explanation:

7 0
2 years ago
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