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Artemon [7]
3 years ago
9

Two questions for 30 points.

Mathematics
1 answer:
omeli [17]3 years ago
3 0

Answer:

The first question is c

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Is -2-x the same as -2x?
garik1379 [7]

Answer:

yes

Step-by-step explanation:

the variable cannot have a negative symbol, unless it has no number.

4 0
2 years ago
Ok so I need help thank you
Liula [17]

Answer:

2.56

Step-by-step explanation:

I'm pretty sure, I'm sorry if its wrong

5 0
2 years ago
Consider the quadratic function:
MrRissso [65]

Answer: the vertex would be (4,-25)

Step-by-step explanation:

id suggest using desmos. its an app/website and is super helpful.

8 0
3 years ago
2. Explain how the order of operations determines how you simplify a numeric expression. Be sure to explain the rules for additi
IgorLugansk [536]
P-paratheses (do any math that has parentheses around the numbers) y=(2x5)+25
E-exponents (do the exponents next) y=(2x5)+5^2
M-multiplying. (Basically everything is self explanatory from here to then cuz im lazy to list examples)
Just basically if you don't use PEMDAS, you'll get the wrong answer
4 0
3 years ago
The figures below are similar.
Dafna1 [17]

Answer:

  a) 2.5

  b) 6.25

Step-by-step explanation:

For similar figures, the ratio of any corresponding linear dimensions is the same. The ratio of areas is the square of that.

<h3>Application</h3>

The ratio of linear dimensions, larger to smaller, is ...

  (30 yd)/(12 yd) = 2.5

<h3>a) Perimeter</h3>

Perimeter is a linear dimension, the sum of side lengths. The ratio of perimeters is 2.5.

<h3>b) Area</h3>

The ratio of areas, larger to smaller, is the square of the scale factor for side lengths:

  (2.5)² = 6.25

The ratio of the areas of the larger to smaller figure is 6.25.

7 0
2 years ago
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