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jonny [76]
3 years ago
11

Rounding Numbers (Level 1) Jan 29, 4:29:32 PM Round 5.729 to the nearest tenth.

Mathematics
1 answer:
andrey2020 [161]3 years ago
4 0

Answer:i believe it is 5.7

Step-by-step explanation:

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julsineya [31]
The answer for 4x10^2 would be 400
8 0
3 years ago
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AB and BC form a right angle at point B. If A= (-3,-1) and B= (4,4) what is the equation of BC
notka56 [123]
B would have to equal c in order to get a
8 0
3 years ago
The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence?
vampirchik [111]
So, from the first term, to the fifteen term, there are 14 terms to go through.

that means, if say the common difference is say "d", we have to add "d" 14 times, to get to the 15th term, lemme make a quick table,

\bf \begin{array}{llll}
term&value\\
----&------\\
1&-3\\
2&-3+d\\
3&-3+d+d\\
4&-3+d+d+d\\
5&-3+d+d+d+d\\
6&-3+d+d+d+d+d\\
7&-3+d+d+d+d+d+d\\
8&-3+d+d+d+d+d+d+d\\
9&-3+d+d+d+d+d+d+d+d\\
10&-3+d+d+d+d+d+d+d+d+d\\
11&-3+d+d+d+d+d+d+d+d+d+d\\
12&-3+d+d+d+d+d+d+d+d+d+d+d\\
13&-3+d+d+d+d+d+d+d+d+d+d+d+d\\
14&-3+d+d+d+d+d+d+d+d+d+d+d+d+d\\
15&-3+d+d+d+d+d+d+d+d+d+d+d+d+d+d\\
&53
\end{array}\\\\
-------------------------------\\\\
-3+14d=53\implies 14d=56\implies d=\cfrac{56}{14}

and surely you know how much that is.
4 0
3 years ago
Please help. I don't understand ​
pashok25 [27]

Answer:

∠ACB = 72

Step-by-step explanation:

OAD is straight line.

∠DAB +  ∠OAB  = 180

142 + ∠OAB  = 180

          ∠OAB = 180 - 142

          ∠OAB =  38

ΔAOB is isosceles triangle. OA = OB = radius

∠OAB = ∠OBA = 38   {angles opposite to equal sides or equal}

In ΔAOB ,

∠OAB + ∠OBA + ∠AOB = 180   {Anlge sum property of triangle}

   38 + 38 + ∠AOB = 180

               76 + ∠AOB = 180

                       ∠AOB = 180 - 76

                       ∠AOB = 104

THe angle subtended by an arc of a circle at the center is double the angle subtended by it at any point on the remaining part of the circle

∠AOB =  2*∠ACB

∠ACB = ∠AOB/2

         = 104/2

∠ACB = 72

7 0
3 years ago
Solve the following compound inequality.<br><br> 5x+7&lt;=-3 or 3x-4&gt;=11
Kobotan [32]

Answer:

x\leq -2 or x\geq 5

Step-by-step explanation:

5x+7\leq -3          or    3x-4\geq 11\\

     

5x+7\leq -3\\5x\leq -10\\x\leq -2

3x-4\geq 11\\3x\geq 15\\ x\geq 5

4 0
3 years ago
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