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jolli1 [7]
3 years ago
10

I need someone to hire for geometry work i have tons of questions every 10 u complete u get paid 3 dollars dm me if intrested as

ap before post taken down thanks.
Mathematics
1 answer:
IrinaK [193]3 years ago
6 0
Can't you use a calculator? 
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There are 140 members in a community sports program. Sixty-five percent of these members play soccer.
defon
Well, we have to determinate the 65% of 140, which are 91 members play soccer. 

The total members are 140, if 91 play soccer, 49 members do not play soccer. 

The answer is 49 members.
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Computegradesign() write another function to return the grade sign (+ or -) from a number grade. the input will be the same as w
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3 years ago
The table shows a proportional relationship. X -4 -2 0 8 Y-6 -3 0 12. Y=
arlik [135]

Answer: Y= the vertical line of the graph.


3 0
3 years ago
Please Help. I really don’t get this concept, if you could explain it in detail it would be very appreciated
Dafna11 [192]
<h3>Answer: 24/25</h3>

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

Explanation:

Sine is given to be negative, and so is tangent. This only happens in quadrant Q4

Recall that y = sin(theta), so if sin(theta) < 0, then we're below the x axis.

If tan(theta) < 0, then this means cos(theta) > 0

So we have y < 0 and x > 0 which places the angle somewhere in Q4.

--------------------------

Draw a right triangle as shown below in the attached image. We have AC = 25 and BC = 7. Use the pythagorean theorem to find that AB = 24

So this is what your steps may look like

a^2+b^2 = c^2

7^2+b^2 = 25^2

b^2+49 = 625

b^2 = 625-49

b^2 = 576

b = sqrt(576)

b = 24

So because AB = 24, we know that the cosine of the angle is adjacent/hypotenuse = 24/25

---------------------------

As an alternative, you could use the trig identity

sin^2(x) + cos^2(x) = 1

and plug in the given value of sine to solve for cosine. The cosine value result will be positive since we're in Q4.

So,

sin^2(x) + cos^2(x) = 1

(-7/25)^2 + cos^2(x) = 1

(49/625) + cos^2(x) = 1

cos^2(x) = 1 - (49/625)

cos^2(x) = (625/625) - (49/625)

cos^2(x) = (625-49)/625

cos^2(x) = 576/625

cos(x) = sqrt(576/625)

cos(x) = sqrt(576)/sqrt(625)

cos(x) = 24/25

This is effectively a rephrasing of the previous section since the pythagorean trig identity is more or less the pythagorean theorem (just in a trig form)

6 0
3 years ago
Please help this is about be getting a 4/4 in my math class now I have 3/4 I want to get 4/4 please help...
r-ruslan [8.4K]

Answer:

Step-by-step explanation:

8 0
3 years ago
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