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Korvikt [17]
3 years ago
15

If TU = x + 5, UV = 20, and TV = 10x − 11, what is TV?

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
3 0

Answer:

TV = 29

Step-by-step explanation:

TU + UV  = TV

x + 5 + 20 = 10x - 11

5 + 20 + 11 = 10x - x

            36 = 9x

           36/9 =  x

       x = 4

TV = 10x − 11 = 10 * 4 - 11 = 40 - 11 = 29

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isnt it just 2.50$ ?

Step-by-step explanation:

1$ + 1.5$ = 2.5$ ?

meat + everything else = total

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The graph of f "(x) is continuous and decreasing with an x-intercept at x = 0. Which of the following statements is true?
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Answer:

The graph of f has an inflection point at x = 0.

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3 years ago
A stick was broken into two pieces. The length of the first piece is 28 cm more than the second piece. The total length of the t
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84 cm because you HAVE to add them together.
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Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
dimulka [17.4K]
You can set up a system of equations for this problem. x= number of coach tickets and y = number of first class tickets.

$210x + $1200y = $10,230 (cost of coach ticket plus cost of first class tickets is total budget)

x + y = 11 (number of coach tickets plus number of first class tickets is total number of people)

Solve the second equation for y to get y = 11 - x, then plug that into the first equation and solve for x:

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6 0
3 years ago
Given cos theta=4/9 and csc theta 0 find sin theta and tan theta
Korvikt [17]
The correct question is
<span>Given cos theta=4/9 and csc theta < 0 find sin theta and tan theta
</span>
we know that
csc theta=1/sin theta
if csc theta < 0
then 
sin theta < 0

we have that
<span>cos theta=4/9

we know that
sin</span>² theta+cos² theta=1
so
sin² theta=1-cos² theta-----> 1-(4/9)²----> 1-(16/81)----> 65/81
sin theta=-√(65/81)---->-√65/9

the answer Part a) is 
sin theta=-√65/9

Part b) find tan theta

tan theta=sin theta/cos theta
tan theta=(-√65/9)/(4/9)-----> tan theta=-√65/4

the answer part b) is
tan theta=-√65/4
5 0
3 years ago
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