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inysia [295]
3 years ago
6

Help

Mathematics
2 answers:
olasank [31]3 years ago
7 0

B : 7.9......................

marysya [2.9K]3 years ago
5 0

Answer:

7.9

Step-by-step explanation:

15 + 12 + 5 + 9 + 7 + 2 + 5

55

55 ÷ 7

\frac{55}{7}=  7\frac{6}{7}=7.85714285714

7.85714285714 rounds to 7.9

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What is the area of this figure?
s2008m [1.1K]

Step-by-step explanation:

it clearly consists of 2 rectangles and 1 triangle (as you tried correctly to point out by drawing the separating lines).

we only need to calculate all 3 areas and add them up for the total.

the area of a rectangle is

length × width

so, in our 2 cases we have

6 × 2 = 12 km²

5 × (3 + 2 + 3) = 5×8 = 40 km²

the area of a triangle is

baseline × height / 2

in case of a right-angled triangle the 2 sides enclosing the 90° angle can be used as baseline and height.

so, in our case

6 × (5 + 2 + (3 + 2 + 3 - 2)) / 2 = 6×(7 + 6)/2 = 3×13 = 39 km²

in total, the whole area is

12 + 40 + 39 = 91 km²

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2 years ago
Annette plans to visit an amusement park where she must pay for admission and
natulia [17]

Answer:

...

Step-by-step explanation:

7 0
3 years ago
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What is the length of the hypotenuse of the triangle?
masha68 [24]
10 star-root 2 end units
8 0
3 years ago
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Factor 140c + 28 - 14a to identify the equivalent expressions.
Feliz [49]

Answer:

The answer to your question are letters A, C and D.

Step-by-step explanation:

To factor this polynomial we need to look for the common factor of the three terms.

To find it, get the greatest common factor

                        140    28   14     2

                          70    14     7     2

                          35     7     7     5

                            7     7      7     7

                             1     1       1    

Greatest common factor = 2 x 7 = 14  

Factor the polynomial

140c + 28 - 14a = 14 ( 10c + 2 - a)

Factor only 7          7(20c + 4 - 2a)

Factor only 2          2 (70c + 14 - 7a)

8 0
3 years ago
How are the graphs of the function f(x)= square root 16^x and g(x)=3 square root 64^x related
34kurt

A is the correct awner

8 0
4 years ago
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