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2 years ago

!!!! could anyone help on these two problems? find the value of each trigonometric ratio

Mathematics

1 answer:

Setler [38]2 years ago

3 0

Answers:

sin(C) = 24/25
cos(Z) = 5/13

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

Explanation:

The formulas we use are

sin(angle) = opposite/hypotenuse
cos(angle) = adjacent/hypotenuse

The fraction 15/39 reduces to 5/13 after dividing both parts by the GCF 3.

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There are 7 terms in a finite arithmetic sequence, and the first term is 11.

jonny [76]

I say the answer is d I might be wrong.

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3 years ago

If f(x)=3x^2+2 and g(x)=x^2-9 find (f-g)(x)

miss Akunina [59]

Here given, $f(x) = 3x^2+2$ and $g(x) = x^2-9$

we have to find $(f-g)(x)$ which means the subtracting of the functions f(x) and g(x).

$(f-g)(x) = f(x) - g(x)$

= $(3x^2+2) - (x^2-9)$

= $3x^2+2 -x^2-(-9)$

= $3x^2-x^2+2+9$ ( we know that multiplication of negative and negative is positive)

= $2x^2+2+9$

= $2x^2+11$

We have got the required answer here.

$(f-g)(x) = 2x^2+11$

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3 years ago

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The height, h, in feet of a ball above the ground is given by h = −16t2 + 64t + 80, where t is the time in seconds. How long doe

Gwar [14]

Answer:

t = 5 seconds

Step-by-step explanation:

It is given that, the height h, in feet of a ball above the ground is given by :

$h=-16t^2+64t+80$

Where t is in seconds

We need to find how long does it take the ball to hit the ground? When it hits the ground, its height will be equal to 0. So,

$-16t^2+64t+80=0\\\\t=\dfrac{-64\pm \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=\dfrac{-64+ \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16},\dfrac{-64-\sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=-1\ s\ \text{and}\ t=5\ s$

Neglecting negative time.

It means ball will take 5 seconds to hit the ground.

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2 years ago

ANSWER ASAP 30 POINTS!

Slav-nsk [51]

So take 13, 8 and 4 and add those together to get the budget she needs for the month.
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so she needs $19 more to have a balanced budget.

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3 years ago

A glass jug can hold (6p+8) quarts more water than a plastic container. 2 glass jugs and 2 plastic containers contain 56p quarts

vitfil [10]

B if you the math it will equal that

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3 years ago

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