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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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A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 1:2 If A is at (6,3) and B is at (-1,2), what are

Maksim231197 [3]

Answer:

The coordinates of C is (-8,1)

Step-by-step explanation:

Looking at the attached image, you'd see that, AB is 1 and BC is 1, that's because we are told that ratio of AB to AC is 1:2 meaning, AC is 2 and AB is 1. Therefore for that ratio to be satisfied BC has to be 1 so that AC would be 2.

Now let's assume the coordinates of C is $(x,y)$ .

To get it's coordinates, we use the section formula:

$(x,y)= (\frac{mx + nx_{1}}{m + n} , \frac{my + ny_{1}}{m + n})$

Where (m,n) is the (AB, BC)

Therefore we have

$(-1,2) = (\frac{1\times x + 1\times6}{1 + 1} , \frac{1\times y + 1\times3}{1 + 1})$

This gives:

$(-1,2) = (\frac{x + 6}{2} , \frac{y + 3}{2})$

$-1 =( \frac{x + 6}{2}$ and $2 = \frac{y + 3}{2})$

From there x = -8 and y = 1

Therefore the coordinates of C is (-8, 1).

7 0

3 years ago

HELP with this question if it’s possible can u show work and not just a answer pls

lyudmila [28]

Answer: 1-14' 1" is prob. your width

Step-by-step explanation:

i can’t find out length Sorry.

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3 years ago

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A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Fi

Ostrovityanka [42]

Ii think it’s t’s 55 degree, use cos

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3 years ago

A boat that sold for $12,500 had a sales tax of $562.50. How much is the tax on a boat that sells for $9,550?

Degger [83]

Answer:

$429.75

Step-by-step explanation:

First, find the tax rate on the sale of the boat: Let r represent that rate. Then,

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The tax rate is 0.045, or 4.5%.

Applying this tax rate to a boat selling for $9,550:

0.045($9,550) = $429.75. This is the amount of tax on the 2nd boat.

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2 years ago

If q→ p is true, then ~ p → ~ q is _____ true. always sometimes never

Bogdan [553]

Answer: always

Step-by-step explanation:

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3 years ago