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Phoenix [80]
3 years ago
9

Helppppppppppppppppppppp make it correct

Mathematics
2 answers:
MAVERICK [17]3 years ago
4 0

Answer:

11

Step-by-step explanation:

it has a vertex at (2,11)

.

f(2) = 11

how to find the vertex;

function equation is f(x) = ax^2 + bx + c

we can find x by :-b/2a, -8/-4 = 2

and by putting the x value we get the y

f(2) = 11

mash [69]3 years ago
3 0

Answer:

11

Step-by-step explanation:

x= -b/2a

x= -8/2(-2)

x=-4/-2

x=2

f(2) = -2(2) +8(2)+ 3

f(2) = -8 +16 + 3

f(2) = 11

Maximum value is 11

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A kayak races 100 meters in 50 seconds. what is the speed of the kayak
Leviafan [203]
<span> 100 m / 50 s = 2 m/s = 2 *3600 / 1000 = 7.2 k/h

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7 0
3 years ago
Solve for p. <br> −160=22+8(3p−4)
Aneli [31]
-160=22+8(3p-4)
Use distributive property
-160=22+24p-32
-160=24p-10
Add 10 for both side
-160+10=24p-10+10
-150=24p
Divided 24 for both side
-150/24=24p/24
p=-6.25
Check:
-160=22+8(3p+4)
-160=22+8[3(-6.25)-4]
-160=22+8(-18.75-4)
-160=22+8(-22.75)
-160=22-182
-160=-160. As a result, x=-6.25. Hope it help!
3 0
3 years ago
Read 2 more answers
Is it possible to have a number to the power of a decimal? For example, 4 to the 0.5 power.
sp2606 [1]


in different cases it is possible


7 0
3 years ago
Read 2 more answers
The extended warranty on a ceiling fan is 18% of the purchase price. If the price of the fan is $140, how much is the warranty?
aleksandr82 [10.1K]

Answer:

b.$25.20

Step-by-step explanation:

Calculation for how much is the warranty

Using this formula

Warranty cost=Extended warranty purchase d price percentage*Purchased Price

Let plug in the formula

Warranty cost =18%*$140

Warranty cost =$25.20

Therefore the warranty cost will be $25.20

5 0
3 years ago
Read 2 more answers
5x - 10 + 65 = 90 what is the value of x?
ki77a [65]

Answer:

x =7

Step-by-step explanation:

Solve for x:

5 x - 10 + 65 = 90

Add like terms. 65 - 10 = 55:

5 x + 55 = 90

Subtract 55 from both sides:

5 x + (55 - 55) = 90 - 55

55 - 55 = 0:

5 x = 90 - 55

90 - 55 = 35:

5 x = 35

Divide both sides of 5 x = 35 by 5:

(5 x)/5 = 35/5

5/5 = 1:

x = 35/5

The gcd of 35 and 5 is 5, so 35/5 = (5×7)/(5×1) = 5/5×7 = 7:

Answer:  x = 7

5 0
3 years ago
Read 2 more answers
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