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34kurt
3 years ago
15

Can somebody please help me with this math question :)

Mathematics
1 answer:
Darya [45]3 years ago
6 0
  • The answer is 2

.. ......................

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What is -42 minus 10 equals -52?
Lemur [1.5K]
-52=-52 is the answer
6 0
3 years ago
Last week victor had $25. He washed cars over the weekend and now has $76. How much money did he make washing cars?
aniked [119]
Victor made 51 dollars

76-25=51
3 0
4 years ago
Write the standard form of an equation of an ellipse subject to the given conditions.
irina [24]

Answer:

The answer is below

Step-by-step explanation:

The standard form of the equation of an ellipse with major axis on the y axis is given as:

\frac{(x-h)^2}{b^2} +\frac{(y-k)^2}{a^2} =1

Where (h, k) is the center of the ellipse, (h, k ± a) is the major axis, (h ± b, k) is the minor axis, (h, k ± c) is the foci and c² = a² - b²

Since the minor axis is at (37,0) and (-37,0), hence k = 0, h = 0 and b = 37

Also, the foci is at (0,5) and (0, -5), therefore c = 5

Using c² = a² - b²:

5² = a² - 37²

a² = 37² + 5² = 1369 + 25

a² = 1394

Therefore the equation of the ellipse is:

\frac{x^2}{1369}+ \frac{y^2}{1394} =1

6 0
3 years ago
4/2/9•2/1/3 please help me on this!
Arlecino [84]

Answer:0.14814814814, reduced your answer should be 0.148

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Sabendo que senx=3/5 e que X € 1°quadrante, calcule tgx
guapka [62]
<span>se 
sen x = 3/5 eleva ao quadrado ambos os lados 
sen² x = (3/5)² 

Tem que partir da relação fundamental 

sen²x + cos²x = 1 
(3/5)² + cos² x = 1 

cos² x = 1 - (3/5)² = 16/25 

cos x = V(16/25 = 4/5 

b ) tg x = sen x / cos x = 3/5 / 4/5 = 3/5 * 5/4 = 3/4 

c) cotg x = cosx / sen x = 1 / tgx = 1/ (3/4 = 4/3 

d) sec x = 1/ cos x = 1 / 4/5 = 5/4 

e) cossec x = 1 / sen x = 1/ 3/5 = 5/3 

se gostou , avalie 
edson</span>edson <span>· 9 anos atrás</span>
4 0
3 years ago
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