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svetoff [14.1K]
4 years ago
12

If a triangle had a height of 12 inches and a base of 5 inches, what's its area

Mathematics
2 answers:
Dafna11 [192]4 years ago
4 0
Area of triangle = 0.5*(base)*(height)
Area of triangle = 0.5*(5)*(12)
Area of triangle = (0.5*12)*5
Area of triangle = 6*5
Area of triangle = 30 square inches
nikklg [1K]4 years ago
4 0
I believe it is c.30 sq inches
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maw [93]

Answer:

V = 140 pi ft^3

Step-by-step explanation:

The volume of a cone is given by

V = 1/3 Bh  where B is the area of the base

V = 1/3 (35 pi) * 12

V = 4*35 pi

V = 140 pi ft^3

We cannot approximate pi if we want the exact answer

5 0
4 years ago
MAPS On a map, Wilmington Street, Beech Drive, and Ash Grove Lane appear to all be parallel. The on
joja [24]

The distance between the two streets along Kendall is 347.9 feet.

Solution:

The image of the problem is attached below.

Distance between Wilmington to Ash Grove along Kendall = 820 feet

Distance between Wilmington to Ash Grove along Magnolia = 660 feet

Distance between Beech and  Ash Grove along Magnolia = 280 feet

Distance between Wilmington to Beech along Magnolia

                                       = 660 feet – 280 feet

                                       = 380 feet

Let us x be the distance between Wilmington to Beech along Kendall and

820 – x be the distance between Beech and  Ash Grove along Kendall.

The given streets are parallel.

By proportionality theorem, parallel lines cut by a transversal are in proportion.

$\Rightarrow\frac{380}{280} =\frac{x}{820-x}

Do cross multiplication.

$\Rightarrow{380}({820-x}) =280x

$\Rightarrow 311600-380x =280x

$\Rightarrow 311600 =280x+380x

$\Rightarrow 311600 =660x

$\Rightarrow x=472.1

Distance between Beech and  Ash Grove along Kendall          

                                    = 820 – x  

                                    = 820 – 472.1

                                    = 347.9

Hence the distance between the two streets along Kendall is 347.9 feet.

8 0
3 years ago
A single story house is to be built on a rectangular lot 70 feet wide by 100 feet deep. The shorter side of the lot is along the
dedylja [7]

Answer:

250 sq ft

Step-by-step explanation:

Since the shorter side is along the street and the setback is 10ft from each side, the house is 50 ft wide

and 100 -20 -30 = 50 ft long

50 x 50 = 250 sq ft

3 0
4 years ago
WHAT IS THE ANSWER TO y= 4x + 11 pls. Hurry!!!! :)
lesya [120]

Slope is 4

Y-intercept is 11

7 0
3 years ago
The choir sells tickets to its performances for an assortment of prices and gives some tickets away. The choir
galina1969 [7]

The least square regression equation for the information provided is y = 9.72x - 40.776

<u>The general equation of a regression model can be expressed thus</u>:

  • y = bx + c

  • Slope, b = r(Sy/Sx)

Calculating slope, b :

  • b = 0.81(177.6 / 14.8) = 9.72

<u>Plugging the values of b, y and x into the equation in other to calculate c</u> :

696 = 9.72(75.8) + c

696 = 736.776 + c

c = 696 - 736.776

c = - 40.776

Therefore, the linear regression model can be expressed as : y = 9.72x - 40.776

Learn more :brainly.com/question/18405415

3 0
2 years ago
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