MATHEMATICS HIGH SCHOOL

Which expression is equivalent to -14-(-2)?
14-2
O 14+2
0 -14+2
14-2

Answers

Answer 1
Answer:

Answer:

-14 +2

Step-by-step explanation:

because you would do kcc aka keep change change

you would keep -14 change the minus to a addition sign and change the -2 to a positive 2

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Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how many cars were sold last month?

Answers

100 \% + 40 \% =140 \% \n \n 140 \% - 112 \ cars \n \n 100\% - x \n \n x=(112\cdot 100\%)/(140\%) =(11200)/(140) = 80 \ cars \n \nAnswer : \ were \ sold \ last \ month \ 80 \ cars
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An object launched vertically from a point that is 37.5 feet above ground level with an initial velocity of 48.6 feet per second can be represented by the equation h=−16t^2+48.6t+37.5, where h is the height of the object and t is the time after the object is launched. How long does it take the object to hit the ground?

Answers

Answer: 3.675 seconds

Step-by-step explanation:

Hi, when the object hits the ground, h=0:

h=−16t^2+48.6t+37.5

0=−16t^2+48.6t+37.5

We have to apply the quadratic formula:  

For: ax2+ bx + c  

x =[ -b ± √b²-4ac] /2a  

Replacing with the values given:  

a=-16 ; b=48.6; c=37.5

x =[ -(48.6) ± √(-48.6)²-4(-16)37.5] /2(-16)  

x = [ -48.6 ± √ 4,761.96] /-32

x = [ -48.6 ± 69] /-32

Positive:  

x = [ -48.6 + 69] /-32 = -0.6375

Negative:  

x = [ -48.6 - 69] /-32 = 3.675 seconds (seconds can't be negative)

Feel free to ask for more if needed or if you did not understand something.  

The object to hit the ground takes 3.675 seconds.

An initial velocity of 48.6 feet per second

When the object hits the ground, h=0:

h=−16t²+48.6t+37.5

0=−16t²+48.6t+37.5

We have to apply the quadratic formula:  

For: ax²+ bx + c  

x =[ -b ± √b²-4ac] /2a  

Substituting with the values given:  

a=-16 ; b=48.6; c=37.5

x =[ -(48.6) ± √(-48.6)²-4(-16)37.5] /2(-16)  

x = [ -48.6 ± √ 4,761.96] /-32

x = [ -48.6 ± 69] /-32

Positive:  

x = [ -48.6 + 69] /-32 = -0.6375

Negative:  

x = [ -48.6 - 69] /-32 = 3.675 seconds (seconds can't be negative)

For such more questions on object

brainly.com/question/28032639

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How do I write 3.83 in decimal form

Answers

3.83 is already in decimal form

If you grow 523 eggplants and sell 378, how many do you have left? A. 901 B. 154 C. 197 End of exam D. 145

Answers

Remaining eggplants= Total number of eggplants-sold eggplants
=523-378
=145 eggplants remaining
The answer to this is D

Find the 50th term sequence 5 , -2 , -9 , -16

Answers

Firstly, it is an arithmetic sequence.
d=-7 a1=5 
a50 = 5-7*(50-1) 
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If f(x)=2(x)2 +5w/(x+2)
(2) =
F(2)=

Answers

Answer:

16+5w/4

Step-by-step explanation:
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