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Snowcat [4.5K]
3 years ago
8

Please help, i need to know

Mathematics
1 answer:
klasskru [66]3 years ago
7 0

Step-by-step explanation:

option a is correct

and d too and

-4b⁴ one Is wrong and -5x³

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If y/5+8=7, what is the value of y/5-2
Andrei [34K]
"<span>y/5+8=7, what is the value of y/5-2?"  Simplify the first equation:  
 
y/5 = 7 - 8, or -1, so y/5 = -1, or y = -5.

Then y/5 - 2 equals -5/5 - 2, or -3.</span>
4 0
3 years ago
What is the angle of B
Charra [1.4K]
Y-9 + y/2 = 180
Add nine to each side
y+y/2=189
Multiply each side by two
2y+y=378
Add the y's together
3y=378
Divide it all by three
y=126

so, Angle B is 126 degrees

I hope that helps!
5 0
4 years ago
2x-5=3
mariarad [96]

Answer:

I am pretty sure it would be c

Step-by-step explanation:

3 0
3 years ago
Find the volume of a right circular cone that has a height of 17.7 cm and a base with a diameter of 15.8 cm. Round your answer t
Lelu [443]

Answer:

1156.8cm^3

Step-by-step explanation:

The volume of a cone is given as:

V =\frac{1}{3}  \pi r^2h

where r = radius

h = height of cone

The height of the cone is 17.7 cm and its base radius is 7.9 cm (diameter is 15.8 cm).

Its volume is:

V = \frac{1}{3} * \pi = 7.9^2 * 17.7\\ \\V = 1156.8cm^3

3 0
3 years ago
Read 2 more answers
drake made 12 out of 30 free throw shots. about how many out of the next 50 free throw shots would you expect him to make?
larisa86 [58]
12/30 X/50 you'd cross multiply and get 30X=600 get 30 away from X which you'd divide 600 by 30 and get 20. drake is expect to make 20 out of 50 free throws
7 0
3 years ago
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