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notka56 [123]
2 years ago
15

6. The California Tiger Salamander is an endangered species, which decreases at the rate of 4.6% per year in a habitat that curr

ently has 60 of them. Write an exponential function and find how many California Tiger Salamanders will be left after 4 years.
7. Factor and solve the following equation 2x2 + x - 21 = 0.

8. Alvin throws the football to a receiver who jumps up to catch the ball. The height of the ball over time can be represented by the quadratic equation -4.9t2 + 7.5t + 1.8 = 2.1 . This equation is based on the acceleration of gravity -4.9 m/s2, the velocity of his pass is 7.5 m/s and releases the football at a height of 1.8 meters, and the height where the receiver catches the ball of 2.1 meters. Put the equation in standard form and then solve by using the quadratic equation.

9. Examine the graph of f(x) and the table that contains values of g(x). Which function has a greater rate of change over the interval [0,2]? Explain your answer.
Mathematics
1 answer:
kicyunya [14]2 years ago
7 0

\rule{2000pt}{1000000pt}

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Rhys is arranging a raffle for a
sammy [17]

Answer:

140 divided by 0.50=140 divide by 2=70

6 0
3 years ago
:))))))))))))))))))))))))))))
bixtya [17]

Answer:

12 inches

Step-by-step explanation:

Set up an equation:

Variable x = height of the scale model

3/18 = x/72

Cross multiply:

3 × 72 = 18 × x

216 = 18x

Divide both sides by 18:

12

4 0
3 years ago
Whcih choice best describes the group this shape belongs in, based on the kinds of sides and angles it has? Angela chose A as th
erik [133]

The shape in the figure has 6 sides

The choice that describes the group the shape belongs to is (a) parallel sides, acute angles

<h3>How to determine the group of the shape?</h3>

From the figure, we have the following highlights

  • The shape has 6 sides
  • The direct opposite sides are equal
  • The direct opposite sides are parallel
  • The measure of angles between adjacent sides are less than 90 degrees i.e. acute angles

The above highlight mean that:

The shape belongs to parallel sides, acute angles group of shapes

Hence, Angela's conclusion is correct

Read more about polygons at:

brainly.com/question/1592456

4 0
2 years ago
Find the volume of the cone, read the directions carefully!!​
luda_lava [24]

Answer:

300 units^3 or 96π

Step-by-step explanation:

Volume of the cone would be:

Because the formula of finding the volume of cone is

V = πr^2 * h/3

r is the radius of the base

h is the height of the cone

π is Pi, approximately 3.142 and it is the circumference of any circle divided by its diameter

V is volume

So in this case:

V = πr^2 * h/3

V = π * 6^2 * 8/3

V = π * 36 * 8/3

V = 96π or 301.44 and round it up to 300 units^3

Hope this help :3

8 0
3 years ago
PLEASE HELP<br> 2!/0!=<br> 0<br> 2<br> undefined
GuDViN [60]

Answer:

2

Step-by-step explanation:

any expression divided by 1 remains the same

you can also calculate the factorial

6 0
3 years ago
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