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zubka84 [21]
2 years ago
11

Solve please!!!!bbbbb

Mathematics
1 answer:
steposvetlana [31]2 years ago
4 0

1:1

one blue to one yellow. IT IS THAT EZ

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A person standing close to the edge on top of a 96-foot building throws a ball vertically upward. The quadratic function h = − 1
Bas_tet [7]

Answer:  a)  306.25 feet   b) 8 s

Step-by-step explanation:

Actually we have to find the function' s  h(t)  maximum meaning.

To do that we have to find the corresponding t - let call it t max

As known t max= (t1+t2)/2 where t1 and t2 are the roots of quadratic equation' s  

Lets find the roots t1 and t2

-16*t^2+116*t+96=0   divide by 4 each side of the equation

-4*t^2 +29*t+24=0

D=29^2+24*4*4=1225 =35^2

t1=(-29-35)/(-8)=8

t2=(-29+35)/(-8)=-6/8=-3/4=-0.75

t max=  (8+(-0.75))= 7,25/2=3.625 s

h max= -16*t max ^2+116*t +96= -16*3.625^2+116*3.625+96=306.25 feet

b) t2=8s is the time when the ball hits the ground.

3 0
3 years ago
Read 2 more answers
Which expression is equivalent to 9x2-2y+3x2-3y?
serious [3.7K]

Answer:

the third option is the answer if you simplify

6 0
2 years ago
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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!<br><br> Simplify.
Finger [1]

3x^3 - 7x^2 + 12 - 3x^3 -6x^2 - 10x

= -13x^2 - 10x + 12

Answer is B

-13x^2 - 10x + 12

5 0
3 years ago
Traders often buy foreign currency in hope of making money when the currency's value changes. For example, on a particular day,
melamori03 [73]

Answer:

(a)f(x)=0.8869x

(b)g(x)=143.1126x

(c)g(f(x))=126.9266x

(d)g(f(1000))=126926.6 Yen

Step-by-step explanation:

Given on a particular day

  • One U.S. dollar could purchase 0.8869 Euros
  • One Euro could purchase 143.1126 yen

(a)If x represents the number of Dollars

Since one can purchase 0.8869 Euro with 1 USD, the function f(x) is a direct relationship where x is dollars and f(x) is in Euros.

  • f(x)=0.8869x

(b)If x represents the number of Euros

Since one can purchase 143.1126 yen with 1 Euros, the function g(x) is a direct relationship where x is Euros and g(x) is in Yen.

  • g(x)=143.1126x

(c)Given:

  • g(x)=143.1126x
  • f(x)=0.8869x

g(f(x))=143.1126(0.8869x)

  • g(f(x))=126.9266x

(d)g(f(1000))

  • g(f(x))=126.9266x
  • g(f(1000))=126.9266 X 1000 =126926.6 Yen
8 0
3 years ago
A scatter plot is made with the data shown below: Number of Waiters at a Restaurant 5 6 7 8 9 10 11 12 13 Customer Service Ratin
bonufazy [111]

Answer:

No association .

Step-by-step explanation:

Given : A scatter plot is made with the data shown below: Number of Waiters at a Restaurant 5 6 7 8 9 10 11 12 13 Customer Service Rating 4 2 10 7 1 2 8 9 5

To find : What type of association will the scatter plot for these data represent between the number of waiters at a restaurant and its customer service rating.

Solution : We have given :

Number of Waiters at a Restaurant =  5 6 7 8 9 10 11 12 13

Customer Service Rating  = 4 2 10 7 1 2 8 9 5 .

Here x coordinates are 5 6 7 8 9 10 11 12 13

y coordinates  are 4 2 10 7 1 2 8 9 5 .

(5,4) (6,2) (7,10 )(8,7) (9,1)(10,2)(11, 8) (12, 9) (13, 5)

We can see there is no pattern between x and y coordinates .

Therefore, No association .

6 0
3 years ago
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