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bulgar [2K]
3 years ago
6

Which pair of expressions are equivalent?

Mathematics
1 answer:
vova2212 [387]3 years ago
7 0

Answer: The first one

Step-by-step explanation:

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In a science test, Jamie solved 42 correct and 18 incorrect answers. What is the percentage of correct question?
uysha [10]
It would have to be B
4 0
3 years ago
Read 2 more answers
Three functions are given below: f(x), g(x), and h(x).
Rzqust [24]

Answer: The axis of symmetry is x=1.

Explanation:

The given function is,

g(x)=5x^2-10x+7

The degree of the equation is 2.  SInce it is a quadratic function therefore the graph of the function is a parabola.

The axis of symmetry of a parabolic function f(x)=ax^2+bx+c is a vertical line,

x=-\frac{b}{2a}

Since the value of a is 5m b is -10 and c is 7, So the axis of symmetry is,

x=-\frac{(-10)}{2(5)}

x=\frac{10}{10}

x=1

Therefore, the axis of symmetry is x=1.

5 0
3 years ago
Helpppppppppppppppppp​
UNO [17]

Answer:

<em>2 solutions</em>

Step-by-step explanation:

Given the expression

2m/2m+3 - 2m/2m-3 = 1

Find the LCM of the expression at the left hand side:

2m(2m-3)-2m(2m+3)/(2m+3)(2m-3) = 1

open the bracket

4m²-6m-4m²-6m/(4m²-9) = 1

Cross multiply

4m²-6m-4m²-6m = 4m²  - 9

-12m = 4m²  - 9

4m²  - 9+12m = 0

4m² +12m-9 = 0

<em>Since the resulting equation is a quadratic equation, it will have 2 solutions since the degree of the equation is 2</em>

8 0
3 years ago
--8W + 5 = -43<br> what’s this?
nataly862011 [7]

Answer:

it is the equation which you have to solve.

3 0
3 years ago
Cara and her brother take a numbered spinner from a board game and use it to determine
Oksi-84 [34.3K]

They are dependent events because if cara spins it and it lands on her she gets to play with the puppy, But if she misses it and her brother spins and it lands on him he gets to play with the puppy.

Short answer: the event is dependent because the outcome of the first spin effects the brother outcome

4 0
3 years ago
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