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adelina 88 [10]
3 years ago
6

Pretty pplease help :))

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

Approx. 423.88 feet squared

Step-by-step explanation:

weeeeeb [17]3 years ago
6 0

Answer:

The answer to your question is 420 ft²

Step-by-step explanation:

Data

side = 6 ft

distance from the center to the vertex = 5 ft

height = 10 ft

Process

1.- Calculate the apothem

     c² = a² + b²

     a² = c² - b²

     a² = 25 - 9

     a² = 16

     a = 4

2.- calculate the area of the base

    Ab = 2(Perimeter x apothem)/2

    Ab = (6 x 5) x 4

    Ab = 120 ft²

3.- Calculate the lateral area

    Al = (6 x 5) x 10

    Al = 300 ft²

4.- Total area

    At = 120 + 300

        = 420 ft²

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Answer:

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Step-by-step explanation:

6 0
3 years ago
point s has coordinates 2,5 if you rotate point s 90 degrees about the origin 0,0 what are the coordinates of s
Volgvan
The answer is 2,-5 you put the points are in the same spot just rotated
8 0
3 years ago
I need help<br> (Find the slope of the line through the given pair of points)<br> (-7,-18),(4,4)
larisa [96]

Answer:

2

Step-by-step explanation:

You can find slope using the slope equation :\frac{y2-y1}{x2-x1}

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7 0
3 years ago
In a group of 15 children the ratio of the boy : the girl is 2: 3: 5 more girls join the group. Calculate the percentage of boys
marta [7]

Answer:

Percentage of new group boys = 30%

Percentage decrease for the boys = 10%

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Step-by-step explanation:

Given:

Number of children = 15

Ratio (Boys to Girls) = 2 : 3

Number of more girls join = 5

Find:

Percentage of boys in new group

Percentage decrease for the boys

Increase percent of the girls

Computation:

Number of boys = 15[2/5]

Number of boys = 6

Number of girls = 15[3/5]

Number of girls = 9

Percentage of boys = [6 / 15]100

Percentage of boys = 40%

Percentage of girls = [9 / 15]100

Percentage of girls = 60%

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New number of students = 20

New number of boys = 6

New number of girls = 9 + 5 = 14

Percentage of new group boys = [6 / 20]100

Percentage of new group boys = 30%

Percentage of new group girls = [14 / 20]100

Percentage of new group girls = 70%

Percentage decrease for the boys = 40% - 30%

Percentage decrease for the boys = 10%

Increase percent of the girls = 70% - 60%

Increase percent of the girls = 10%

8 0
3 years ago
If x= 4 and y=5<br> Find the value of x² + 4y 5​
Sati [7]

Answer:

32

Step-by-step explanation:

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Just do substitution.

Hope this helps.

Good Luck

3 0
3 years ago
Read 2 more answers
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