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Novosadov [1.4K]
2 years ago
15

WILL GIVE BRAINLIEST

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
6 0

Answer:

y = mx + b is the answer

Step-by-step explanation:

im a good teacher and i done this before

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New helppppp‼️ how do u solve these 3 problems?
ss7ja [257]

Answer:

1- 16x-12

2- 6(6x-1)

3. -qx+24x-18

Step-by-step explanation:

Hope this help

Have a nice day

6 0
3 years ago
The zeroes of the polynomial f(x) = x^2+x+3/4 are​
matrenka [14]

Step-by-step explanation:

f(x) = x² + x + 3/4

in general, such a quadratic function is defined as

f(x) = a×x² + b×x + c

the solution for finding the values of x where a quadratic function value is 0 (there are as many solutions as the highest exponent of x, so 2 here in our case)

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = 1

c = 3/4

x = (-1 ± sqrt(1² - 4×1×3/4))/(2×1) =

= (-1 ± sqrt(1 - 3))/2 = (-1 ± sqrt(-2))/2 =

= (-1 ± sqrt(2)i)/2

x1 = (-1 + sqrt(2)i) / 2

x2 = (-1 - sqrt(2)i) / 2

remember, i = sqrt(-1)

f(x) has no 0 results for x = real numbers.

for the solution we need to use imaginary numbers.

6 0
2 years ago
Read 2 more answers
Can you answer this step by step? 31,398 ÷ 65 =
Doss [256]

Answer:

483 with a remainder of 3

Step-by-step explanation:

                      4       8       3

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

6 5    | 3 1 3 9 8

                       2 6 0

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

                              5 3 9  

                               5 2 0

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

                                        1 9 8

                                        1 9 5

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

                                                       3

Hope I explain myself :/

5 0
3 years ago
Which property justifies the step shown in solving this equation -y-5=11
bulgar [2K]

Answer:

y-5=11

y-5+5=11+5 (Add 5 to both sides)

y=16 (Simplify)

I believe that y=16 cannot be simplified so y=16 should be the answer let me know if it helped.


8 0
3 years ago
Limit of x^2-81/x+9<br> As x goes toward -9
Semmy [17]
Hello,

Use the factoration

a^2 - b^2 = (a - b)(a + b)

Then,

x^2 - 81 = x^2 - 9^2

x^2 - 9^2 = ( x - 9).(x + 9)

Then,

Lim (x^2- 81) /(x+9)

= Lim (x -9)(x+9)/(x+9)

Simplity x + 9

Lim (x -9)

Now replace x = -9

Lim ( -9 -9)

Lim -18 = -18
_______________

The second method without using factorization would be to calculate the limit by the hospital rule.

Lim f(x)/g(x) = lim f(x)'/g(x)'

Where,

f(x)' and g(x)' are the derivates.

Let f(x) = x^2 -81

f(x)' = 2x + 0
f(x)' = 2x

Let g(x) = x +9

g(x)' = 1 + 0
g(x)' = 1

Then the Lim stay:

Lim (x^2 -81)/(x+9) = Lim 2x /1

Now replace x = -9

Lim 2×-9 = Lim -18

= -18




7 0
3 years ago
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