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allsm [11]
3 years ago
7

Find the exact value of cos (-270).

Mathematics
1 answer:
djyliett [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Assuming this is in degrees, it is actually 0.

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If Logx (1 / 8) = - 3 / 2, then x is equal to <br> A. - 4 <br> B. 4 <br> C. 1 / 4 <br> D. 10
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The answer to this  is b
5 0
3 years ago
Find the real solutions of the equation by graphing
Vlada [557]

Answer:

C. 0, 1.29, -0.65

Step-by-step explanation:

The real solutions of the equation 19x^3-12x^2-16x=0  is where the graph of y=19x^3-12x^2-16x intersects the x-axis.

This means that we need to graph y=19x^3-12x^2-16x using a graphing software.

From the graph shown in the attachment x=0, x=1.29, and x=-0.65  are the  real solutions.

The correct choice is C

8 0
3 years ago
Logan wants to move to a new city. He gathered graphs of temperatures for two different cities. Which statements about the data
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3 0
3 years ago
Alla and balla together drink 750ML of water. Of alla drinks 50% more than balla how much does Alla drink
Akimi4 [234]

Answer:

450 ml.

Step-by-step explanation:

Let x be the amount of water drank by Alla and y be the amount of water drank by Balla.

We have been given that Alla and Balla together drink 750 ML of water. We can represent this information as:

x+y=750...(1)  

We are also told that Alla drinks 50% more than Balla. We can represent this information as:

x=1.5y...(2)

From equation (1) we will get,

y=750-x  

Upon substituting this value in equation (2) we will get,

x=1.5(750-x)

Upon distributing 1.5 to right hand side of the equation we will get,

x=1125-1.5x

Upon adding 1.5x to both sides of equation we will get,

x+1.5x=1125-1.5x+1.5x

2.5x=1125

Let us divide both sides of our equation by 2.5.

\frac{2.5x}{2.5}=\frac{1125}{2.5}

x=450

Therefore, Alla drank 450 ml of water.

8 0
3 years ago
Prime numbers have
sp2606 [1]
Exactly two factors
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