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ycow [4]
3 years ago
9

If x2 – 9 = 0, then x can only be equal to 3 True False

Mathematics
1 answer:
Sauron [17]3 years ago
4 0
The answer is True. X=3,-3
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150 pounds shared into the ratio of 4:1
V125BC [204]

\begin{cases}x+y=150\smallskip\\\dfrac{x}{y}=\dfrac{4}{1}\end{cases}\Leftrightarrow\begin{cases}x+y=150\smallskip\\x=4y\end{cases}\Leftrightarrow\begin{cases}5y=150\smallskip\\x=4y\end{cases}\Leftrightarrow\begin{cases}y=30\smallskip\\x=120\end{cases}

150=120+30

4 0
3 years ago
A diver went 25.65 feet below the surface of the ocean and then 16.5 feet further down he then rose 12.45 feet write and solve a
Anastaziya [24]
So a diver went 25.65 ft BELOW so it's negative.
then he went 16.5 ft further down, so that's negative also.
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8 0
3 years ago
What is the surface area of the rectangular<br> prism shown by the net?
brilliants [131]

Answer:

80

Step-by-step explanation:

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8 0
3 years ago
Find AC if A=25°, B=24°, and CB=14
photoshop1234 [79]
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8 0
3 years ago
Which algebraic expression represents the phrase "two times the quantity of a number minus 12"? A. 2y - 12 B. 2(y -12) C. 2(y +
bazaltina [42]

Answer:

B

Step-by-step explanation:

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5 0
3 years ago
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