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BigorU [14]
2 years ago
12

A line has a slope of m=12 and the point (-2,8) lies on the line. which of the following represent the line? select two answers.

Mathematics
1 answer:
White raven [17]2 years ago
8 0

Answer:

b. y=12x+32, c. y-8=12(x+2)

Step-by-step explanation:

point -slope form equation

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

(y - 8) = 12(x + 2) point slope form

y - 8 = 12x +24

y = 12x + 32 slope intercept form

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yan [13]
The volume of the candle initially is:
V=Ab*h
Area of the base of the cylinder: Ab=pi*r^2
pi=3.14
Radius of the base: r=4 cm
Height of the cylinder: h=6 cm

Ab=pi*r^2
Ab=3.14*(4 cm)^2
Ab=3.14*(16 cm^2)
Ab=50.24 cm^2

V=Ab*h
V=(50.24 cm^2)*(6 cm)
V=301.44 cm^3

The candle melts at a constant rate of:
r=(60 cm^3)/(2 hours)=(120 cm^3)/(4 hours)=(180 cm^3)/(6 hours)
r=30 cm^3/hour

The amount of candle melted off after 7 hours is:
A=(30 cm^3/hour)*(7 hours)
A=210 cm^3

The percent of candle that is melted off after 7 hours is:
P=(A/V)*100%
P=[(210 cm^3)/(301.44 cm^3)]*100%
P=(0.696656051)*100%
P=69.66560510%
Rounded to the nearest percent
P=70%

Answer: 70%

8 0
3 years ago
Complete 6,7 for 5 points.
seraphim [82]

Answer:

idk the answer

Step-by-step explanation:

4 0
3 years ago
Please help????!!!!!
rjkz [21]

Answer:

y =8

Step-by-step explanation:

y^{2} = 16*4

4 0
3 years ago
Ms. Smith bought a 6 pound bag of candy for her students. She gave away 3 pounds and ate 10 ounces of candy. How many ounces doe
zysi [14]

Answer:

38oz

Step-by-step explanation:

6-3=3   3pounds-10ounces=38

3lb=48oz   48-10=38

8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (5,0) and (-3,1)? Write your assignment and simplest form.
Verdich [7]

m = (y2-y1)/(x2-x1)

m = (1-0)/(-3-5)

m = 1/-8

4 0
3 years ago
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