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chubhunter [2.5K]
2 years ago
14

Write an equation that represents the line. (1,-1),(3,-5)​

Mathematics
1 answer:
geniusboy [140]2 years ago
6 0

Answer:

x+y=0

Step-by-step explanation:

slope m of given equations is

(-5+1)÷(3+1)

=-1

then the equations of this line is

y-(-1)=m(x-1)

or, y+1=-1(x-1)

or, y+1= -x+1

or, x+y=0

x+y=0 is required equation of line.

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Penny received an unexpected $5,000.00 gift from a distant relative. She invests it in a mutual fund that increases the value of
dusya [7]

Answer:

Penny would need to put in ~ $18,181.82

Step-by-step explanation:

Using the equation A = P(1+rt)

Where A = the total

P is equal to the starting amount

r is equal to the rate (percent)

and t is equal to the total time.

We can put in:

A = $40,000

r = 0.08 (8%)

t = 15

40,000 = P(1 +(0.08* 15))\\40,000 = P(1+1.2)\\40,000 = P(2.2)\\\frac{40,000}{2.2} = P\\ \frac{200,000}{11} = P\\P = $18181.8181818181...

Round to the nearest whole cent

P = $18,181.82

3 0
2 years ago
PLZZZ ANSWER QUICK!!!
GREYUIT [131]

Answer:

A. x - 38.45 = 17.71

Step-by-step explanation:

The price of the shirt subtracted off the amount of money she had before would give 17.71

7 0
3 years ago
Bill went to the movies with some of his friends. tickets cost $8.50 each . they spent $18.00 total for food . their total was $
Marina86 [1]
18.00 + 8.50 + 8.50 + 8.50 + 8.50 = 52.00

So that's 4 Friends
4 0
3 years ago
A scientist studying bacteria begins with 20 cells. The bacteria population doubles every hour. Complete the table below to dete
pantera1 [17]

Answer:

80

Step-by-step explanation:

40+40=80

3 0
3 years ago
The volume V of a solid right circular cylinder is given by V = πr2h where r is the radius of the cylinder and h is its height.
emmainna [20.7K]

Answer:

8.20in³

Step-by-step explanation:

Given V = πr²h

r is the radius = 1.5in

h is the height = 6in

thickness of wall of the cylinder dr = 0.04in

top and bottom thickness dh 0.07in+0.07in = 0.14in

To compute the volume, we will find the value of dV

dV = dV/dr • dr + dV/dh • dh

dV/dr = 2πrh

dV/dh = πr²

dV = 2πrh dr + πr² dh

Substituting the values into the formula

dV = 2π(1.5)(6)•(0.04) + π(1.5)²(6) • 0.14

dV = 2π (0.36)+π(1.89)

dV = 0.72π+1.89π

dV = 2.61π

dV = 2.61(3.14)

dV = 8.1954in³

Hence volume, in cubic inches, of metal in the walls and top and bottom of the can is 8.20in³ (to two dp)

7 0
3 years ago
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