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stepladder [879]
3 years ago
13

Mrs. Lopez found a dining table on sale for 45% off. If the

Mathematics
2 answers:
const2013 [10]3 years ago
7 0

Answer:

$687.50

Step-by-step explanation:

GalinKa [24]3 years ago
5 0

Answer:

it would be 562.50 because i used the calculator

Step-by-step explanation:

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A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t)=72t-16t^2. What is the
irakobra [83]

Answer:

The maximum height that the ball will reach is 81 ft

Step-by-step explanation:

Note that the tray of the ball is given by the equation of a parabola of negative main coefficient. Then, the maximum value for a parabola is at its vertex.

For an equation of the form

at ^ 2 + bt + c

So

the t coordinate of the vertice is:

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

In this case the equation is:

h(t)=72t-16t^2

So

a=-16\\b=72\\c=0

Therefore

t =-\frac{72}{2(-16)}

t=2.25\ s

Finally the maximum height that the ball will reach is

h(2.25)=72(2.25)-16(2.25)^2

h=81\ ft

8 0
3 years ago
What is the value of -3(7+5)/3^2 +9(2)
MatroZZZ [7]

<em>answer = 14 \\ solution \\  \frac{ - 3(7 + 5)}{ {3}^{2} }  + 9(2) \\  =  \frac{ - 3 \times 12}{9}  + 18 \\  =  \frac{ - 36}{9}  + 18 \\  =   \frac{ - 36 + 18 \times 9}{9}  \\  =   \frac{ - 36 + 162}{9}  \\  = \frac{126}{9}  \\  = 14 \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment</em>

4 0
3 years ago
Read 2 more answers
A model is made of car. The car is 5 feet long and the model is 8 inches long. What is the ratio of the length of the car to the
Serggg [28]
Hello,

pretty sure it would be 5:8 or 5 to 8

any way you want to write it is fine, it means the same thing :)

have a good day!
3 0
4 years ago
Read 2 more answers
Vanessa and Dominic are buying chicken for a barbecue. The table shows prices for different packages of chicken.
pishuonlain [190]

24-1 = 23

6-1/4 = 5 3/4

23/5 3/4 = 4

The constant is 4, so Vanessa is correct

The answer is:

D. Vanessa is correct because the quotient when dividing the values in the bottom row by the values in the top row is always 4.

8 0
3 years ago
WILL RECEIVE BRAINLIEST
Rasek [7]

Answer:

48 feet of fencing!!

Step-by-step explanation:

hope this helps! God bless you! <33

3 0
2 years ago
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