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ikadub [295]
3 years ago
12

1) x 20+ 5 = 4

Mathematics
2 answers:
Elenna [48]3 years ago
8 0
1) -1/20
2) -1
3) 1/16
4) 15
5) 19
6) 1/2
7) 19
8) -13
9) -19
10) 1
You can always use a Calculator.
34kurt3 years ago
8 0
The answer in 12456789
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Solve without a calculator log_4(20)-log_4(45)+log_4(144)
AfilCa [17]
Log₄20-log₄ 45+log₄144=
log₄(20/45)+log₄144=                        (log_a b- log_a c=log_a  (b/c) )
log₄[(20*144)/45]=                             (log_a b +log_a c=log_a (b*c) )
log₄(2880/45)=
log₄(64)=n     ⇔      4^n=64                (log_a x=n   ⇔ a^n=x)

4^n=4³      ⇒n=3                                 (64=4*4*4=4³)

Answer: log₄20-log₄ 45+log₄144=3

5 0
3 years ago
David makes a pizza with 8 slices of equal size. He covers 5 of the 8 with pepperoni. what percent of the pizza is covered with
gayaneshka [121]

Answer:

D

Step-by-step explanation:

5 ÷ 8 = 0.625 = 62.5%

4 0
3 years ago
What is the equivalent form of (x-2)2 -5x +3?
slega [8]

Answer: -3x-1

Step-by-step explanation: 2x-4-5x+3 collect the terms

                                            -3x-4+3

                                        answer -3x-1

6 0
3 years ago
A rug is 32 aquare feet longer than a smaller rug the equation x 32=35 what is the width of the smaller rug in feet?
Ira Lisetskai [31]
92................................................................................................
8 0
3 years ago
I need help with i-ready
qwelly [4]

Answer:

2/3 is the constant of proportionality.

4 0
3 years ago
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