3 years ago

Ms. Ki uses skill builders to help students

1 answer:

3 0

Y= 40x because 40 questions is applied to each skill builder and the amount of questions depends on the amount of students

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What is the probability of getting a 5 each time if a die is rolled 3 times?

Lady_Fox [76]

I think the answer is
(1/6)(1/6)(1/6)= 1/216
I might be completely wrong though, sorry

8 0

3 years ago

How many solutions does 5x+2=3x+8 have (you dont have to put the actual solution)

Ray Of Light [21]

Answer:

one

Step-by-step explanation:

there are no equal variables

4 0

3 years ago

Find the value of k by<br>quardractic equation two real and equal roots<br>5x - 2kx +20=0

kotegsom [21]

Answer:

k = +10 or -10

Step-by-step explanation:

It's given in the question that the roots of the eqn. are real and equal. So , the discriminant of the eqn. should be equal to 0.

$= > {b}^{2} - 4ac = 0$

$= > {( - 2k)}^{2} - 4 \times 5 \times 20 = 0$

$= > 4 {k}^{2} - 400 = 0$

$= > 4( {k}^{2} - 100) = 0$

$= > {k}^{2} - 100 = 0$

$= > k = \sqrt{100} = + 10 \: or \: - 10$

3 0

3 years ago

Read 2 more answers

Given A = {(1, 3)(-1, 5)(6, 4)}, B = {(2, 0)(4, 6)(-4, 5)(0, 0)} and C = {(1, 1)(0, 2)(0, 3)(0, 4)(-3, 5)}, answer the following

ANEK [815]

$B=\{(\boxed{2}\ 0);\ (\boxed{4},\ 6);\ (\boxed{-4},\ 5);\ (\boxed{0},\ 0)\}\\\\(x,\ y)-domain\ is\ "x"\\\\Answer:\ 2.\ Domain\ of\ set\ B:\{2,\ 4,\ -4,\ 0\}$

8 0

3 years ago

2s 5 is greater or equal to 49

Aleksandr [31]

Your answer would be 2s5<49

8 0

4 years ago