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Degger [83]
3 years ago
11

I neeed helppppppppppp

Mathematics
2 answers:
yan [13]3 years ago
8 0

Answer:

d im pretty sure

Step-by-step explanation:

srry if this is wrong

sp2606 [1]3 years ago
5 0

Answer:

a is right

Step-by-step explanation:

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D. No x value has more than one y value so it's a function.
8 0
2 years ago
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Need help will give 5 stars.
olga_2 [115]

Answer:

t=0.64

Step-by-step explanation:

h = -16t^2 +4t +4

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0 = -16t^2 +4t +4

Using the quadratic formula

a = -16  b = 4  c=4

-b ± sqrt( b^2 -4ac)

----------------------------

         2a

-4 ± sqrt( 4^2 -4(-16)4)

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         2(-16)

-4 ± sqrt( 16+ 256)

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-4 ± sqrt( 272)

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-4 ± sqrt( 16*17)

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         -32

-4 ± sqrt( 16) sqrt(17)

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         -32

-4 ± 4 sqrt(17)

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Divide by -4

1 ±  sqrt(17)

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         8

To the nearest hundredth

t=-0.39

t=0.64

Since time cannot be negative

t=0.64

7 0
3 years ago
Read 2 more answers
Find the value of x so that the line passing through (10, 5) and (x, 9) has a slope of -2.
Verdich [7]
Ok, so here, we need to use the slope formula which is:

(y2 - y1)/(x2-x1)

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x2 = x
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(9-5)/(x-10) = -2

Now, we just solve for x,

9-5  =  -2(x-10)

4  =  -2x+20

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x  =  8
4 0
3 years ago
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Mrs.Anderson bought party favors for the 24 students in her class. Each favor cost $2.27. How much did all the party favors cost
laiz [17]
$54.48 because 24 x 2.27 = 54.48

7 0
3 years ago
I dont understand if anybody can help me i would be happy​
SCORPION-xisa [38]

Answer:

  • (2, 3)

Step-by-step explanation:

<u>The rule for this dilation is:</u>

  • (x, y) → (x/2, y/2)

<u>Apply this rule to point B(4, 6):</u>

  • B(4, 6) → B'(2, 3)
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3 years ago
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