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tamaranim1 [39]
2 years ago
13

Helpp meee again ToT!

Mathematics
1 answer:
Mumz [18]2 years ago
5 0

Answer:

4 one

Step-by-step explanation:

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10. Solve the following equations<br><br> a) Cos Ɵ = -1/2<br><br><br><br><br> b) -18 Sin Ɵ + 9 = 0
Olenka [21]

Answer:

what is cos and sin ?

Step-by-step explanation:

4 0
2 years ago
Determine the factors of x2 − 8x − 12. (x − 6)(x 2) (x 3)(x − 4) prime (x 6)(x − 2)
Ivanshal [37]

The polynomial cannot be factored in because it exists prime. Since 112 exists not a perfect square number so we cannot estimate the factors of the given equation.

<h3>What is a quadratic equation?</h3>

In a quadratic equation ax² + bx + c = 0

when (b² - 4ac) exists a perfect square only then we can factorize the equation.

In the given equation x² - 8x - 12 we have to determine the value of

b² - 4ac

From the equation, we get b = -8 and c = -12

b²- 4ac = (-8)² - 4(1)(-12)

= 64 + 48 = 112

Since 112 exists not a perfect square number so we can not estimate the factors of the given equation.

To learn more about quadratic equation refer to:

brainly.com/question/1214333

#SPJ4

4 0
1 year ago
Which equation correctly applies the distributive property?
lesantik [10]

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Distributive law is defined as

a\times (b+c+d)=a\times b+a\times c+a\times d

According to option'A', we get that

a =- 3

b = 6

c = 0.4

d = 0.08

So, it becomes,

-3\times (6.48)=-3\times 6+(-3)\times 0.4+(-3)\times 0.08

Hence, option 'A' is correct.

8 0
3 years ago
Does this equation y=87.2/x represent a direct or inverse variation?
Lorico [155]

Answer:

Inverse relationship

Step-by-step explanation:

The equation we are looking at is;

y = 87.2/x

which implies xy = 87.2

If it was a direct relationship

y = constant * x

if it was inverse, it would have been

y * x = constant

since 87.2 is a constant, the question looks exactly like the second scenario.

This means that what we have is an inverse relationship

8 0
3 years ago
Rewrite the function by completing the square.
Anna [14]

Answer:

y = x^2+14x +(14/2)^2 +8 - (14/2)^2

And solving we got:

y = x^2 +14x +49 + 8 -49

And we can reorder the terms we got:

y =(x+7)^2 -41

And that would be the equivalent expression for the problem

Step-by-step explanation:

For this case we have the following function given:

y = x^2 +14x +8

And we can complete the square adding the middle of 14 squared and subtracted before like this:

y = x^2+14x +(14/2)^2 +8 - (14/2)^2

And solving we got:

y = x^2 +14x +49 + 8 -49

And we can reorder the terms we got:

y =(x+7)^2 -41

And that would be the equivalent expression for the problem

4 0
3 years ago
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