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777dan777 [17]
3 years ago
5

It costs $0.05 to send a text message and $0.10 to send a picture on your cell phone. You spend $4 and send five more text messa

ges than pictures. How many text messages, x, and pictures, y, did you send?
Mathematics
1 answer:
vovangra [49]3 years ago
8 0
The first thing we must do for this case is to define variables:
 x: text messages
 Y: pictures
 We write the system of equations:
 0.05x + 0.10y = 4
 x = y + 5
 Solving the system we have:
 x = 30
 y = 25
 Answer:
 
you send:
 
30 text messages
 
25 pictures
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We have been given that in triangle ABC angle A=45 angle B =40 and a=7. We are asked to find the equation that we can use to solve for 'f'.

We have two angles and opposite sides to these angles.

We will use Law of Sines to solve our given problem.

\frac{a}{\sin(A)}=\frac{b}{\sin(B)}=\frac{c}{\sin(C)}, where a, b and c are opposite sides corresponding to angles A, B, and C respectively.

The angle opposite to side b is 40 degrees and angle opposite to side a is 45 degrees.

Upon substituting these values in Law of Sines, we will get:

\frac{7}{\sin(45^{\circ})}=\frac{b}{\sin(40^{\circ})}

Therefore, our required equation would be \frac{7}{\sin(45^{\circ})}=\frac{b}{\sin(40^{\circ})}.

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The graph of function f is shown. Function g is represented by this equation g(x) = 2(2)^x. A. They have different y-intercepts
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Step-by-step explanation:

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PQRS is a parallelogram. PR and QS are diagonals. Match each element to its value. Tiles value of length of value of length of
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Since it is a parallelogram cente at point T, then the measure of PT is equal to the measure of TR. And the measure of QT is equal to the measure of TS.

 

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