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ioda
3 years ago
9

Factorisation of 4x^2-5x-1

Mathematics
1 answer:
max2010maxim [7]3 years ago
3 0
I am not sure but it is right if your question is right.

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2) (3 pt) Write the function from the table and graph.хf(x)-10004122130.52) f(x) =
DaniilM [7]

(x - h)^2 = 4p(y - k)

(-1 - 3)^2 = 4p(8 - 0.5)

(-4)^2 = 4p(7.5)

16 = 30p

p = 16/30

p = 8/15

(x - 3)^2 = 16/15(y - 0.5)

15(x^2 - 6x + 9) = 16y - 8

15x^2 - 90x + 135 = 16y - 8

16y = 15x^2 - 90x + 135 + 8

y = 15/16 x^2 - 90/16 x + 143/16

f(x) = 15/16 x^2 - 90/16x + 143/16

4 0
1 year ago
A student is trying to solve the system of two equations given below:
k0ka [10]

Answer:

A. (y+z=6) -8

Step-by-step explanation:

You will use the process of adding together the like terms. Since in equation Q, we have 8y, we need -8y in equation P. Answer A is the only one that will give us -8. You have to distribute -8 across all the variables and numbers in the parenthesis.

8 0
3 years ago
Read 2 more answers
Please help
asambeis [7]

Answer:

A, of money in the account after 3 years subject to interest ... If you deposit P dollars at rate r, in decimal form, subject to compound interest paid

Step-by-step explanation:

4 0
3 years ago
Multiply: (x−5)(x−7) A x2−12x+35 B x2+2x+35 C x2+35 D x2+35x−12
ioda

Answer:

x^2 -12x+35

Step-by-step explanation:

(x−5)(x−7)

FOIL

first  x*x = x^2

outer -7x

inner -5x

last -7*-5 = 35

Add them together

x^2 -7x-5x +35

x^2 -12x+35

3 0
3 years ago
Read 2 more answers
Find the exact area of a circle with a diameter of 5 yards. Use 3.14 for π​
Vlada [557]

Answer:

19.634595408

Step-by-step explanation:

I think this because

πr^2 is how u get area I'd a circle

all u have to do is plug it in

6 0
3 years ago
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