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dimulka [17.4K]
3 years ago
5

1) A part of an expression separated by addition, subtraction, or an equality symbol is a

Mathematics
1 answer:
Oksanka [162]3 years ago
8 0
Algebraic expression
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If $-2 < x \le 3,$ then find all possible values of $5x + 1.$ Give your answer in interval notation.
kotegsom [21]

Answer: (-9, 16]

This is the interval from -9 to 16. Exclude -9 but include 16.

=====================================================

Work Shown:

The idea is to multiply all sides by 5, then add 1 to all sides

-2 < x \le 3

5(-2) < 5x \le 5(3)

-10 < 5x \le 15

-10+1 < 5x+1 \le 15+1

-9 < 5x+1 \le 16

This converts to the interval notation  (-9, 16]

note: a curved parenthesis means "do not include this value in the solution set"; while a square bracket has us include the value. So we exclude -9 and include 16.

3 0
3 years ago
Which statement correctly describes the expression (-70)(-6)?
EastWind [94]

Answer: the answer is letter A

Step-by-step explanation:

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3 years ago
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Sam and Bobby want to know who cycled faster. The table shows the total miles Sam traveled over time. The graph shows the same r
lorasvet [3.4K]
Sorry Man I need to see the graph
3 0
3 years ago
Find the area of a circle with radius equal to 6.<br><br> A =
anyanavicka [17]

Answer:

Step-by-step explanation:

hello :

A= πr²     r = 6

so : A= 3.14(36) = 113.04

8 0
4 years ago
If 72 = 12x, what does x equal?
CaHeK987 [17]

Answer:

x=6

Step-by-step explanation:

So, x is our unknown variable. An so you have to ask yourself, what times 12= 72? The answer would be 6, because 12x6=72

The proper way to do it, would be to divide 12/12 so you isolate the variable, and what you do to one side, you do to the other, so divide 72 by 12 and you get 6! Hope this helps!

6 0
3 years ago
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