3 years ago

What is the area of a triangle with the following dimensions: Base: 4 inches Height: 9 inches?

Mathematics

2 answers:

Lyrx [107]3 years ago

5 0

Answer:

The correct answer to this is 18 in²

Step-by-step explanation:

Formula of the area of triangles: ½ × b × h = A

In this case it is: ½ × 4 in × 9 in = A = 36 × ½ = 18 in²

bixtya [17]3 years ago

3 0

Answer:

18 in^2.

Step-by-step explanation:

Area of a triangle = 1/2 * base * height

= 1/2 * 4 * 9

= 1/2 * 36

= 18 in^2.

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Sauron [17]

Answer:

$30

Step-by-step explanation:

He first has 10 dollars. Then 5 is taken off.

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His friend gives him 25 more dollars

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Hope this helped!

4 0

3 years ago

Complete the equation of the line through (-9,-9) and (-6,0)

Rudik [331]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis.

According to the data of the statement we have the following points:

$(x_ {1}, y_ {1}): (- 9, -9)\\(x_ {2}, y_ {2}): (- 6,0)$

We found the slope:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0 - (- 9)} {- 6 - (- 9)} = \frac { 9} {- 6 + 9} = \frac {9} {3} = 3$

Thus, the equation is of the form:

$y = 3x + b$

We substitute one of the points and find b:

$0 = 3 (-6) + b\\0 = -18 + b\\b = 18$

Finally, the equation is:

$y = 3x + 18$

Answer:

$y = 3x + 18$

7 0

3 years ago

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PIT_PIT [208]

Answer:

The answer is - 113 that is the correct answer skipping in three's and the first one is - 97

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Step-by-step explanation:

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