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Nuetrik [128]
3 years ago
9

What goes in the blank? A always B sometimes C never D rarely

Mathematics
2 answers:
dusya [7]3 years ago
7 0

Answer:

B

Step-by-step explanation:

o-na [289]3 years ago
6 0
I think it might be (b)
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HELP for math!! thanks :)
tatiyna

Answer: A

Step-by-step explanation:

3 0
2 years ago
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Ten oranges cost $1.60. how much do 8 oranges cost?
aniked [119]

Answer: $1.28 = cost of 8 oranges

Step-by-step explanation:

$1.60 / 10 = cost of 1 orange

$0.16 = cost of 1 orange

$0.16 (8) = cost of 8 oranges

$1.28 = cost of 8 oranges

7 0
3 years ago
Can someone please do this substitution method question with the working out.
timurjin [86]

Answer:

Step-by-step explanation:

T = \frac{1}{2}m^{2}+2m - 4\\\\T = 2m + 4\\\\\frac{1}{2}m^{2}+2m - 4 = 2m + 4\\\\\frac{1}{2}m^{2}+2m - 4 - 2m - 4 = 0

Combine like terms

\frac{1}{2}m^{2}+2m - 2m - 4 - 4 = 0\\\\\frac{1}{2}m^{2} - 8 = 0\\\\\frac{1}{2}m^{2} =8\\\\m^{2} = 8*2\\\\m^{2} = 16\\\\m = \sqrt{16}

m = ± 4

6 0
3 years ago
Find either the maximum or the minimum value of the following quadratic equation. Be sure to show all of your work and identify
podryga [215]

Answer:

the minimum is (1,-9)

Step-by-step explanation:

y = 5x^2 - 10x - 4

since the parabola opens upward  5>0, this will have a minimum

it will occur along the axis of symmetry h=-b/2a

y =ax^2 +bx+c

h = -(-10)/2*5

h  = 10/10 =1

the minimum occurs at x =1

the y value for the minimum is calculated by substituting x =1 back into the equation

y = 5 * 1^2 - 10*1 -4

y = 5*1^2 -10 -4

y = 5-10-4

y = -9

the minimum is (1,-9)

6 0
3 years ago
HELP PLEASE I GOT CACA WIFI
Brut [27]

Answer:28

Step-by-step explanation:

hope this helpes

3 0
2 years ago
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