HELP What function models the data shown on the graph?
f(x) = 2(x – 5)(x – 1)
f(x) = –2(x – 5)(x – 1)
f(x) = 2(x + 5)(x + 1)
f(x) = –2(x + 5)(x + 1)
Answers
B or C,
then we see that the parabola has x -intercepts (1,0) and (5,0)
these roots should be written as multiples
x=1, so x-1=0
and
x=5, so x-5=0,
so (x-1)(x-5) and negative first coefficient -2 at the same time.
We can see only in the
B. f(x) = –2(x – 5)(x – 1)
Answer:
b
Step-by-step explanation:
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Grade 7
Grade 8
The students of both grades are equally likely to be members of the science club
No conclusion can be drawn about the chances of a student being a member of the science club
Answers
Grade 7 = 10/11
Grade 8 = 5/7
Now that we've simplified the fractions, let's find a common denominator for both. In this case, I'm going to use 77.
Grade 7 = 70/77
Grade 8 = 55/77
Since 70 is greater than 55, it is more likely that the Grade 7 students will be in the science club.
Hope this helps!
Answer:
grade 7
Step-by-step explanation:
Answers
EF bisects m<EDG (given)
#1
so m<DEF = m<FEG = 88/2 = 44
#2.
if m<FED = 27 then m<GED = 27 * 2 = 54
#3
m<DEF = 3x + 1
m<DEG = 5x + 19
2*( 3x + 1) = 5x + 19
6x + 2 = 5x + 19
6x -5x = 19 - 2
x = 17
#4
m<DEF = 5x - 3
m<FEG =2x + 15
5x -3 = 2x + 15
5x -2x = 15 + 3
3x = 18
x = 18/3
x = 6
#5.
m<FEG = 6x - 7
m<FED = 2x + 41
6x - 7 = 2x + 41
6x - 2x = 41 + 7
4x = 48
x = 48/4
x = 12
m<DEG = 6x - 7 + 2x + 41
=6(12) - 7 + 2(12) + 41
= 72 - 7 + 24 + 41
=130
#6
m<ABX = m<XBC
5x = 3x +10
5x - 3x = 10
2x = 10
x = 5
m<ABC = m<ABX + m<XBC
= 5x + 3x +10
= 8x + 10
= 8(5) +10
= 40 +1
= 50
#7
m<ABC = 2 * (m<ABX)
4x -12 = 2(24)
4x- 12 = 48
4x = 48 + 12
4x = 60
x = 60/4
x = 15
#8
m<ABC = 2 (m<CBX)
4x+16 = 2(3x+6)
4x+16=6x +12
6x - 4x = 16 -12
2x = 4
x = 2
#9
m<ABC = 3 (m<CBX)
5x+18 = 2(2x+12)
5x+18=4x+24
5x-4x=24-18
x =6
m<ABC = 5x+18 = 5(6) +18 = 30 + 18 = 48
2. If you were given $48 what combinations of adults and children could you bring to dinner? Provide at least two different examples and show your work.
Answers
Answer:
1. 10 dollars for each child
2. a. You could have 2 children and 4 adults.
2. b. I can't figure out another solution.
Sorry. :(((
Hope this helped, tho. :))
7 2/5_____ 7 3/8
Answers
7 2/5 > 7 3/8
Answers
Answer:
-28=7(x-7)
First expand the terms on the right side
That is
-28 = 7x - 49
Group like terms
7x = -28 + 49
7x = 21
Divide both sides by 7
7x/7 = 21 /7
x = 3
Hope this helps
Answer:
so x=3
Step-by-step explanation:
-28=7(x-7)
opening the brackets by multiplying
-28=7x-49
adding 49 on both sides
-28+49=7x-49+49
21=7x
dividing 7 on both sides
21/7=7x/7
x=3
i hope this will help you :)
Answers
Answer:
Step-by-step explanation:
2(3)+8. =6 + 8. = 35 x 102. = 3.5 x 10-1. 3.5 x 10". = 14 ... Substitute b with – 3 and solve. 3). A. 783. 5(-3)2-2(-3)+1. =5(9)+6+1. =45+7. =52 ... (4 – 5x) – (3 – 2x). (4 – 5x)+(-3+ 2x). _+(4 – 5x). +(-3+2x). 1- 3x. to solve. ... (3r' -5+2x). “ - [(7x² +5)– (4x' – 5x)]. – L(7x² +5)– (4x' – 5x). =-|(7x² + 5) – 4x² + 5x].