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Vlada [557]
3 years ago
9

Help me with these questions

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0
For number 6 it's 30 x 45
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Equation: –4x – 5 + 2x = –11
BaLLatris [955]
<h2><u>ANSWER </u></h2>

x= 3

Step-by-step explanation:

=> -4x – 5 + 2x = -11

=> -2x = -11+5

=> -2x = -6

=> x= 6/2

=> x= 3

5 0
2 years ago
Read 2 more answers
Austin has 125% more books than his younger sister. If his sister has 24 books, how many books does he have? Write your proporti
Julli [10]

Answer:

30 books

Step-by-step explanation:

125%= 1.25

1.25 times 24= 30

6 0
3 years ago
Read 2 more answers
Which graph shows a proportional relationship?
ANEK [815]
The first and the second and the last one 

4 0
3 years ago
Read 2 more answers
The product of two consecutive odd intergers is 1 less than four times thier sum. Find the two integers.
seraphim [82]
Consecutive odd integers are 2 apart
they are x and x+2
the product (x times (x+2)) is 1 less than  4 times their sum

x(x+2)=-1+4(x+x+2)
x^2+2x=-1+4(2x+2)
x^2+2x=-1+8x+8
x^2+2x=8x+7 minus (8x+7) from both sides [tex]x^2-6x-7=0
factor
what  numbers multliply to get -7 and add to get -6?
-7 and 1
(x-7)(x+1)=0
set equal to 0
x-7=0
x=7

x+1=0
x=-1

so the x can be 7 or -1
the other number (x+2) can be 7 or 1

test each

7 and 9
7(9)=-1+4(7+9)
63=-1+4(16)
63=-1+64
63=63
true


-1 and 1
-1(1)=-1+4(-1+1)
-1=-1+4(0)
-1=-1+0
-1=-1
true



the 2 integers can be 7 and 9 or -1 and 1 (both pairs of numbers work)
3 0
2 years ago
The table below shows field goal statistics for three different kickers. Order the kickers by their field goal success rate from
nikklg [1K]

Answer:

Kicker C, kicker B, and then kicker A

Step-by-step explanation:

Just divide the field goals made by field goals attempted to get the success rate. A = 12 / 14 = 0.857      B = 15 / 18 = 0.83      C = 19 / 24 = 0.79

0.79 < 0.83 < 0.857

6 0
2 years ago
Read 2 more answers
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