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defon
2 years ago
11

3x + 7x= Combine like terms

Mathematics
1 answer:
Gnoma [55]2 years ago
5 0

Answer:

10x

Step-by-step explanation:

3x + 7x

= 10x

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What’s the domain and range of this graph?
avanturin [10]

Given:

The graph of a downward parabola.

To find:

The domain and range of the graph.

Solution:

Domain is the set of x-values or input values and range is the set of y-values or output values.

The graph represents a downward parabola and domain of a downward parabola is always the set of real numbers because they are defined for all real values of x.

Domain = R

Domain = (-∞,∞)

The maximum point of a downward parabola is the vertex. The range of the downward parabola is always the set of all real number which are less than or equal to the y-coordinate of the vertex.

From the graph it is clear that the vertex of the parabola is at point (5,-4). So, value of function cannot be greater than -4.

Range = All real numbers less than or equal to -4.

Range =  (-∞,-4]

Therefore, the domain of the graph is (-∞,∞) and the range of the graph is (-∞,-4].

3 0
2 years ago
A block is set in motion hanging from a spring and oscillates about its resting position
coldgirl [10]

Answer:

t = 1.277 sec and t = 2.848 sec

Step-by-step explanation:

This problem is much more easily done by graphing it than by computing it using algebra.

The values of t we're looking for are the ones that make x = 0, so we want the solutions of 0.6sin(2t)+0.4cos(2t)=0 on the interval [0, 3].

According to the graph, this is true when t = 1.277 seconds and t = 2.848 seconds.

8 0
3 years ago
Read 2 more answers
Help! I am trying to Simplify: 5√24
12345 [234]

Answer:

this might help better

Step-by-step explanation:

5√24

=10√6(Decimal: 24.494897)

4 0
3 years ago
the volleyball team sold 16 items on first day of a bake sale, 28 items second day, and 12 items on the last day there were 4 it
Gelneren [198K]

Add all the item together:

16 + 28 + 12 + 4

=60 total items

5 0
3 years ago
Read 2 more answers
URGENT!!<br> The difference between the roots of the quadratic equation x2−12x+q=0 is 2. Find q
Tasya [4]

Answer:

-24

Step-by-step explanation:

substitute by 2

2²-12×2+q=0

q=-24

8 0
3 years ago
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