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kati45 [8]
2 years ago
13

Write an equation in point-slope form of the line that passes through the point (4,-1) and has a slope of -5

Mathematics
1 answer:
Gala2k [10]2 years ago
3 0

Answer:

y+1=-5(x-4)

Step-by-step explanation:

YOUR WELCOME

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Paha777 [63]

Answer:

730

Step-by-step explanation:

A(X)= 2πRH+2πR^2

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Is y= x2-1 a linear equation
Mekhanik [1.2K]
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a 400 g of a liquid of density 1.6g/cm3 is made from mixing liquids of density 1.2g/cm3 and 1.8g/cm3 find the mass of the liquid
gogolik [260]

Answer:

133.33g

Step-by-step explanation:

Let the:

Mass of 1.2g/cm³ of liquid = x

Mass of 1.8g/cm³ of liquid = y

From our Question above, our system of equations is given as:

x + y = 400........ Equation 1

x = 400 - y

1.2 × x + 1.8 × y = 1.6 × 400

1.2x + 1.8y = 640..... Equation 2

We substitute, 400 - y for x in Equation 2

1.2(400 - y) + 1.8y = 640

480 - 1.2y + 1.8y = 640

- 1.2y + 1.8y = 640 - 480

0.6y = 160

y = 160/0.6y

y = 266.67 g

Solving for x

x = 400 - y

x = 400 - 266.67g

x = 133.33g

Therefore, the mass of the liquid of density 1.2g/cm³ is 133.33g

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ValentinkaMS [17]

Answer:

they are integers

Step-by-step explanation:

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