MATHEMATICS HIGH SCHOOL

Need help with problem show answer with work

Answers

Answer 1

Answer:

Answer:

$[4x - 3][x + 5]$

Step-by-step explanation:

$4{x}^(2) + 17x - 15 \n [4{x}^(2) - 3x] + [20x - 15] \n x[4x - 3] \: 5[4x - 3] \n \n [x + 5][4x - 3]$

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Answers

Answer:

bbcs

Step-by-step explanation:

msade rekfflg.g

Find the value of y when x equals 4, -3x+9y=-57

Answers

-12 + 9y = -57

add 12 to both sides, 9y = -45

divide 9 from both sides to isolate the y

y = -5

-3(4)+9y=-57
-12+9y=-57
9y=-45
y=-5

Which polling methods are likely to be biased? Choose all answers A. Five people in each of Janine’s classes are selected and asked for whom they intend to vote. B. From a list of all students in Janine’s grade, 25 students are selected at random and asked for whom they intend to vote. C. Every 10th student from a list of all students in Janine’s grade is selected and asked for whom the student intends to vote.i already found D.

Answers

biased is like the resuls are not representative of the whole, you asked a group strongly for a certain think

like if you wanted to see how many people want to keep the gym, a biased example would be if you went to the gym becasuse they are all exercising and like exercising, therefor want the gym to stay

biased normally means the person who is doing the survey picks specific people that they know will vote for them
A. not random, these people are picked (she could pick 5 of her friends)
B. random so not biased, but more spread than A
C. also random

A is llikely biased

State the next term of each sequence
a) 1, 16, 81, 256....
b) 1, 1, 2, 4, 7, 13, 24....

Answers

a) 1, 16, 81, and 256 are all perfect squares. Find their squares:
1, 4, 9, 14.
In this sequence, you first at 3, then 5, then 7. So, logically, you would add 9 next. 14 + 9 is 23, and 23 squared is 529.
b) I'm not sure the data points for this sequence are correct. I'd have to guess 42 based on this difference chart:
1 1 2 4 7 13   24   42
+0 +1 +2 +3 +6 +11 +18
+1 +1 +1 +3 +5   +9
+0 +0 +2 +2   +4
  +0 +2 +0 +2

a)
$1,16,81,256,\underline{625}\n\text{The general formula is } n^4 \text{ where } n\in \mathbb{N}$

b)
$1,1,2,4,7,13,24,\underline{44}\n\text{Each number is the sum of three preceding numbers.}$

Fraccion irreducible de 48/84