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slava [35]
3 years ago
11

Help please..............​

Mathematics
2 answers:
aniked [119]3 years ago
7 0

Answer:

x=14

Step-by-step explanation:

180=9x+23+31

then solve for x

beacsue the 2 arcs with the numbers cut the circle in half and should equal 180

AfilCa [17]3 years ago
5 0
9x+23+31=180
9x+54=180
9x=126
x=14
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2 Points
SOVA2 [1]

A

distributive property

-4x - y + 2x - 6y

Combine like terms

-2x - 7y

6 0
3 years ago
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vekshin1

Answer:

The correct answer is:

(7s-2)+3+(s+3) = 52, or 8s+4 = 52.

Step-by-step explanation:

Since s is the son's age, "two less than seven times" the son's age would be represented by 7s-2. To represent this in 3 years, we would add 3: (7s-2)+3. In 3 years, the son's age, s, would be represented by s+3. We are told that the sum of these ages will be 52; this gives us (7s-2)+3+(s+3) = 52.

To simplify this, combine like terms. 7s+s = 8s; -2+3+3 = 4. This gives us 8s+4=52.

3 0
3 years ago
One hundred nautical miles equals about 185 kilometers. To the nearest kilometer, how far in kilometers is 290 nautical miles?
Angelina_Jolie [31]
\bf \begin{array}{ccllll}
\textit{nautical miles}&kilometers\\
\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\\
100&185\\
x&290
\end{array}\implies \cfrac{100}{x}=\cfrac{185}{290}\impliedby \textit{solve for "x"}
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kolbaska11 [484]
You just have to multiply 2 by 99, so the answer is 198.
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Because 18.99+22 x 225/9 = 568.99

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