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xxTIMURxx [149]
2 years ago
9

Using the graph, determine the coordinates of the roots of the parabola​

Mathematics
1 answer:
Nimfa-mama [501]2 years ago
6 0

Answer:

(-1, 4)

Step-by-step explanation:

Use of the coordinate plane.

The vertex of the parabola is 1 to the left and up 4.

Think of the vertex as where the curve starts.

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Sharon is conducting research on two species of birds at a bird sanctuary. The number of birds of species A is represented by th
e-lub [12.9K]

Answer: After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.


Step-by-step explanation:

Given: Sharon is conducting research on two species of birds at a bird sanctuary.

The number of birds of species A is represented by the equation below,where S represents the number of birds, x years after beginning her research.

S=2^x+12

The number of birds of species B is represented by the equation below,where S represents the number of birds, x years after beginning her research.

S=15x+35

To plot the above function, first find points by which they are passing.

For species A, At x=0 , S=1+12=13

At x=2 , S=2+12=14

Similarly find more points and plot curve on graph.

For species A, At x=0 , S=0+35=35

At x=2 , S=15+35=50

Plot a line with the help of these two points.

Now, from the graph the intersection of curve (for A) and line (for B) is at (7,140) which tells that After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.



8 0
3 years ago
Read 2 more answers
WHUR Radio uses 1/5 of its of its 10 hours of daytime broadcast for commercial and 1/2 for music. How much is left for news?
Nataly [62]

Answer: 3 hours

Step-by-step explanation:

From the question, we are informed that WHUR Radio uses 1/5 of its of its 10 hours of daytime broadcast for commercial and 1/2 for music.

Hours used for commercial:

= 1/5 × 10

= 2 hours

Hours used for music:

= 1/2 × 10

= 5 hours

Hours left for news will be:

= 10 hours - 2 hours - 5 hours

= 3 hours

8 0
3 years ago
Can someone please help me???<br> I forgot how to do this :(
schepotkina [342]

Answer:

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7 0
3 years ago
What is an equation of the line that passes through the points (-2,-5) and (-1,1)
alekssr [168]

Answer:

Slope = 6

Step-by-step explanation:

Slope = \frac{y^{2}-y^{1}  }{x^{2}-x^{1}  } =\frac{1-(-5)}{-1-(-2)}=\frac{1+5}{-1+2}=\frac{6}{1}=6

6 0
2 years ago
What single transformation was applied to triangle A to get triangle B? *
irakobra [83]

Answer: dilation

Step-by-step explanation:

the others are rigid transformations, the can’t change the size of the triangle.

6 0
2 years ago
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