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3 years ago

Write the formula for the area of a triangle,

Mathematics

1 answer:

My name is Ann [436]3 years ago

7 0

Answer: 1/2 X base X height

<h2>Step-by-step explanation: if you have a right triangle with a height of 4 and a base of 5 the answer area would be 10. Because 1/2 X 4 = 2 and then 2 X 5 = 10</h2>

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Amy used 3 gallons of paint to cover 2,100 ft2 of wall space inside her house.How much wall space can she ain't with 7 gallons?

Amanda [17]

3gallons/ 2,100 ft = 7galloons/ X

3X= (2,100)(7)
X= (2,100)(7)/ 3
X= 4,900 ft^2

4 0

4 years ago

Read 2 more answers

Find the slope of the line for the angle.<br> 330 degrees

slavikrds [6]

M= -1/3
How this helped!

8 0

4 years ago

Jorge, sandra, danny, and valeria each mowed lawns after school and on the

Ronch [10]

Jorge mowed 18 lawns.

Let the number of lawns mowed by Jorge =x

So according to the question

Number of lawns mowed by sandra = x/3

Number of lawns mowed by Danny =x/2

Number of lawns mowed by Valeria =16

sum of total lawns mowed = lawns mowed by Jorge + lawns mowed by sandra + lawns mowed by Danny + lawns mowed by Valeria.

$x+\frac{x}{3} +\frac{x}{2} +16=49$

taking LCM as 6 and solving further we get

$\frac{6x+2x+3x+96}{6} =49$

By cross Multiplying we get

11x+96=294

11x=198

Solving further for x,

x=198/11

x=18

Therefore, the number of lawns mowed by Jorge is 18 .

Learn more about Ratio here brainly.com/question/15271657

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8 0

2 years ago

If f(x) = 6x - 4, what is f(x) when x = 8? A 2

lesantik [10]

The actual answer is 44.

Hope this helps

4 0

4 years ago

What is the equation of the line that passes through the points (2, –1) and (6, 1)? A.y=1/2x -2 B.y=2x-5 C.y=-1/2x-1 D. y=-2x-3

Rzqust [24]

Answer:

option A.

y = (1/2)x - 2

Step-by-step explanation:

It is given that, line that passes through the points (2, –1) and (6, 1)

Slope m = (y₂ - y₁)/(x₂ - x₁)

= (1 - -1)/(6 - 2)

= (1 + 1)/4 = 2/4

= 1/2

<u>To find the equation of the line</u>

Equation of a line passing through the points (x₁, y₁) and slope m is given by,

(y - y₁)/(x - x) = m

Here (x₁, y₁) = (2, -1) and m = 1/2

(y - -1)/(x - 2) = 1/2

(y + 1) = (x - 2)/2

y = -1 + x/2 - 2/2

= -1 + x/2 - 1

= x/2 - 2

The equation of the line is,

y = (1/2)x - 2

The correct answer is option A.

y = (1/2)x - 2

3 0

3 years ago