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ale4655 [162]
2 years ago
6

(x-5)(-2) Please help, need awnser by thursday

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
5 0

Answer:

−2+10

Step-by-step explanation:(

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A train leaves at 14.54 and arrives at its destination at 15.47. If the train travelled 66 km, what was it's average speed in km
JulijaS [17]

Answer: average speed of the train = 4,483.0 km/h

Step-by-step explanation:

Speed = Distance / Time

Distance = 66 km

Time = 15.47  cancelling 15, we have 60 sec added to 47 sec

         <u> - 14.54</u>

=         14.   107    60 + 47

         <u> - 14.  54</u>

<u>                     53secs</u>

53secs to hours becomes =

60 secs = 1 min

60 min= i hour

therefore 53seconds =53/3600=0.0147222hours

Speed= 66/ 0.0147222= 4,483.025

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3 years ago
1 + 69 - (6x+4) x 2 = ?
Afina-wow [57]

Answer is: -12x + 62

8 0
3 years ago
If f(x)=2x-4, what would be the answer if f(3)-1??
Vinil7 [7]

Answer:

1

Step-by-step explanation:

We have the function

f(x) = 2x - 4

and we want to know the value of f(3) - 1.

The first step is to find f(3) ; we can subtract 1 from it at the end! But what does f(3) mean?

Basically, we're saying <em>"what is the value of the function when </em>x = 3<em> ?"</em>

So, we simply replace x with 3 in the function, and we get:

f(3) = 2\times 3 - 4 = 2.

Finally, we subtract 1 to find f(3) - 1 = 1.

3 0
3 years ago
For what value of x is quadrilateral CDEF a parallelogram?<br><br>x=?​
Contact [7]

Answer:

x = 5

Step-by-step explanation:

Since we know that the diagonals bisect each other and divide into equal parts so ➡

x - 2 = 2x -7

2x - x = 7 - 2

x = 5

8 0
3 years ago
Brainliest question please help me please I need right answer please show your work
Oksana_A [137]

Answer:

outside the circle

Step-by-step explanation:

diameter and radius are the main attractions in maths regarding circles.

7 0
3 years ago
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