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densk [106]
3 years ago
15

MATH REALLY NEED HELP :C BEGGING Tom throws a ball into the air. The ball travels on a parabolic path represented by the equatio

n h = -8t 2 + 40t, where hrepresents the height of the ball above the ground and t represents the time in seconds. The maximum value achieved by the function is represented by the vertex. Use factoring to answer the following:How many seconds does it take the ball to reach its highest point? What ordered pair represents the highest point that the ball reaches as it travels through the air? Hint: because parabolas are symmetric, the vertex of a parabola is halfway between the zeroes of the quadratic.
Mathematics
1 answer:
Lynna [10]3 years ago
4 0
It takes approximently 16 seconds
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Jane buys a coat that is $18 off the orinigal price. This is a 30% discount. What is the original price of the coat?
mylen [45]
Total cost - (total cost * 30%) = discounted price
C - .3C = 18 \\ 
.7C =18 \\
C = \frac{18}{ \frac{7}{10}}\\
C=\frac{180}{7}\\
C= 25.7142857...
6 0
3 years ago
Help plz show work I need to have all Aś this year Only do 18,20,24,22,28,26,30,32,
Veseljchak [2.6K]

Answer:  see below

<u>Step-by-step explanation:</u>

The "point" on the inequality symbol points to the smaller number

  • <  is the "less than" inequality symbol
  • > is the "greater than" inequality symbol
  • = is the "equal" symbol

18) 3 = 3

20) \sqrt6 < \sqrt{10}

22) 0.8 = 4/5      Note: 4÷5 is 0.8

26) 0.075 < 0.39

28) -5.2 < -4.8

30) 0.4 > \sqrt{0.4}

32) \sqrt5 < \sqrt7

6 0
3 years ago
What is the composition of Transformations mapping ∆ABC to ∆A'B"C"?
irina1246 [14]

Answer:

I would say the answer is

1. reflection across m

2. rotation about a

3. congruent to

all transformations are congruent to each other unless it is a dilation.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
CAN SOMEONE BE NICE AND HELP ME K THANKS;)
EleoNora [17]

volume = base \times length \times height
4 0
3 years ago
what is the volume of a cone with a diameter of 30 feet and height of 60 feet? use 3.14 for pi. enter your answer in the box
Marizza181 [45]

The volume of a cone with a diameter of 30 feet and a height of 60 feet is 14130.

<h3>What is the volume of a cone?</h3>

The volume of the cone is given by;

\rm Volume  \ of \ cone=\dfrac{1}{3}\pi r^2h\\\\Where;\  r = radius \ and \ h = height

The volume of a cone with a diameter of 30 feet and a height of 60 feet.

The radius of the cone is;

\rm Radius =\dfrac{Diameter}{2}\\\\Radius=\dfrac{30}{2}\\\\Radius=15

Substitute all the values in the formula

\rm Volume  \ of \ cone=\dfrac{1}{3}\pi r^2h\\\\ Volume  \ of \ cone=\dfrac{1}{3}\times 3.14 \times 15^2 \times 60\\\\Volume  \ of \ cone=14130

Hence, the volume of a cone with a diameter of 30 feet and height of 60 feet is 14130.

Learn more about the volume of cone here;

brainly.com/question/3013784

#SPJ2

5 0
2 years ago
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