What is the slope of the graph of 8x-4y=11?
A. -2
B. 2
C. -1/2
D. 1/2

Answers

Answer 1

Answer: in form ax+by=c
slope=-a/b

8x-4y=11
a=8
b=-4
-8/-4=2

slope is 2
B

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Cone A has a radius of 12 inches and Cone B has a radius of 30 inches. If the cones are similar and the volume of Cone A is 48 ft^2, find the volume of Cone B.

Answers

Answer:

750 ft^3

Step-by-step explanation:

Given that the cones are similar, the first step would be to determine their linear scale factor; That is the ratio of their radii;

$(RadiusB)/(RadiusA)=(30)/(12)=2.5$

The next step is to determine the volume scale factors. Since the linear scale factor is 2.5, the volume scale factor would be;

volume scale factor = (linear scale factor)^3

= 2.5^3 = 125/8

The volume of Cone B will thus be;

volume of Cone A * volume scale factor = 48 * 125/8 = 750 ft^3

How do you do this question? 24 is what percent of 32?

Answers

24 = x% * 32

24= x/100 * 32

Multiply 100 on both sides.

2400 = x * 32

32x = 2400

Divide 32 on both sides.

x = 2400/32

x = 75

75 percent of 32 is 24

75%
You do 24/32=x/100 and solve for x to find percentage of something. 24/32=.75 then multiply .75 by 100 and you get the answer 75%.

9j-8=8+9j
HOW DO I ANSWER THIS EQUATION?