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ExtremeBDS [4]
3 years ago
9

4 more to go please help me pass

Mathematics
1 answer:
finlep [7]3 years ago
6 0
(5x^7y^2)(-4x^4y^5)=-20x^a y^b 
<span>-20 x^11 y^7 = -20 x^a y^b </span>

<span>a = 11, b = 7 thus a: is you answer</span>
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Y = -8x – 30<br> y = 2x + 150
Sophie [7]

Step-by-step explanation:

y - y = 2x + 150 -( - 8x - 30 )

0 = 2 x + 150 + 8 x + 30

0.= 10x + 180

- 180 = 10 x

-180/10 = x

-18 = x

then y = 2 (-18) + 150

y = -36 + 150

y = 114

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5 0
3 years ago
I need help in Adv. Math
crimeas [40]

Answer:

The answer to your question is: letter B

Step-by-step explanation:

Data

      °C           °F

       0           32

     35           95

Process

Find slope        m = (95 - 32) / ( 35 - 0)

                         m = 63 / 35

                         m = 9/5

Line equation

                         ( y - y1) = m(x - x1)

y = °C      x = °F

                         °C - 0 = 9/5 ( °F - 32)

                        °C = 9/5( °F - 32)                        

7 0
4 years ago
Write the following exppresion in exponential form 4.5 x 4.5 x 4.5 x 4.5 x 4.5 x 4.5 x 4.5 x 4.5
Lunna [17]

Answer:

4.5^8

Step-by-step explanation:

4.5 multiplied by its self 8 times

3 0
4 years ago
A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserv
mina [271]
To the nearest whole percent the margin error for this poll would be <span>38% ⁺/₋ 14%. If you want me to explain feel free to ask! </span>
8 0
3 years ago
What is the circumference of the semicircle in this figure? Express your answer in feet.
Aleksandr-060686 [28]
Diameter of the semicircle: D=6 yd*(3 ft / 1yd)→D=18 ft
Circumference of the semicircle: C=pi*D/2
C=pi(18 ft)/2
C=9pi ft
pi=3.14
C=9(3.14) ft
C=28.26 ft

Answer: Fourth option 28.26 ft 
3 0
3 years ago
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