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katen-ka-za [31]
2 years ago
15

Write an equation of the line in slope intercept form

Mathematics
1 answer:
VladimirAG [237]2 years ago
5 0

Answer:

a)y=3/2x+6 b) y= -4/3x-2

Step-by-step explanation:

a)using the points given (-2,2) and (0,6)

we use rise over run formula and get 3/2

and we get y intercept by looking at when the line touches the y line in this case 6

using y=mx+b formula when m is slope and b is y interecpt we plug the numbers in

so we get y=3/2x+6

b) For this we use the points given which are (-3,2) and (0,2)

we use the rise over run formula and get 4/3 but since the line is going down it means the slope is negative so we get -4/3

and the y intercept we get by looking at when it touches the y line in this case it touches at -2

so using the same formula as  the first question

but since the y interecpt is negative we change the plus sign for a minus

we get y=-4/3x-2

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True or False: If circumference of a circle is 12*3.14, then its area is 36*3.14.
strojnjashka [21]

Answer: true

Step-by-step explanation:

8 0
3 years ago
Cammie can mow 1/2 acre in 25 minutes. If her rate is constant, Cammie says she can mow 1 1/4 acres in one hour. Is Cammie corre
Sergeu [11.5K]

Answer: No, Cammie is not correct. She can mow  1\frac{1}{5}\ acres in one hour (See explanation).

Step-by-step explanation:

Convert the mixed number to an impoper fraction:

1. Multiply the whole number part by the denominator of the fraction and add the product to the numerator.

2. The denominator does not change.

Then:

1\frac{1}{4}=\frac{(1*4)+1}{4}=\frac{5}{4}

Let be "x" the acres Cammie can mow in one hour.

You know that she can mow \frac{1}{2}\ acre in 25 minutes, then you can set up the following proportion (Remember that 1 hour has 60 minutes):

\frac{\frac{1}{2}}{25}=\frac{x}{60}

Solving for "x", you get:

\frac{\frac{1}{2}}{25}=\frac{x}{60}\\\\(60)(\frac{1}{50})=x\\\\x=\frac{6}{5}

Convert from improper fraction to mixed number:

1. When you divide 6 by 5, the quotient is 1. This will be the whole number part.

2. The remainder is 1. This will be the numerator.

3. The denominator does not change.

Then:

x=1\frac{1}{5}

Therefore, she can mow  1\frac{1}{5}\ acres in one hour.

3 0
2 years ago
Just this question I've tried but don't understand it
ANEK [815]
I plugged it in to a truncated square pyramid calculator and got v=76
the formula for this shape is V=1/3(A squared+AB+B squared)H.
3 0
3 years ago
1.Mr. Redding sells vehicles to 40% of the people that come to the sales lot. If 165 people came to the lot last month, how many
Vanyuwa [196]
He would have sold 66 vehicles
6 0
3 years ago
Please please help!
Dimas [21]

Answer:

C

Step-by-step explanation:

Calculate the distance (d) using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 3, 9) and (x₂, y₂ ) = (3, 1)

d = \sqrt{(3+3)^2+(1-9)^2}

  = \sqrt{6^2+(-8)^2}

  = \sqrt{36+64}

  \sqrt{100} = 10 → C

8 0
3 years ago
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