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Butoxors [25]
3 years ago
12

A triangular sail has base of 4 feet and a height of 5 1/2 feet. What is the area of the sail?

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0
The formula for the area of a triangle is A=1/2*h*b
Therefore:
(1/2)*4*5.5=11
The area of the sail is 11 feet squared
Step2247 [10]3 years ago
4 0
Area of a triangle: (1/2)bh, where b = base and h = height

(1/2) x 4 x (11/2) 
= (4/2) x (11/2)
= 2 x (11/2) 
= 11
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Savings account with 200$ and receive 4% interest for 7 years, how much would be in the account?
Fantom [35]

Answer:

256

Step-by-step explanation:

To calculate these kinds of things, I multiply the principal (200), the interest rate (0.04) and the time (7). This results in 56. However, since the question is how much would be in the account, it would be 200+56 which is 256.

5 0
3 years ago
A map has a scale of 1/2 inch= 20miles quinn wants to travel an actual distance
inessss [21]

Answer:

1.75 inches or 1 3/4inches

Step-by-step explanation:

A map has a scale of ½½inch=20mles. Quinn wants to travel an actual distance of 70miles. What will the length on the map be?

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2 years ago
Define ????: ℝ → {0,1} as the characteristic function of ℤ+, the set of positive integers. That is, ????(x) = ????A (x), for the
Vlad1618 [11]

Answer:

Step-by-step explanation: steps explained in attached file

7 0
3 years ago
A circle that is centered at the origin contains the point (0,4). How can you prove or disprove that the point (2,
natali 33 [55]
If the circle is at the origin and (0,4) is a point on the circle then the radius of the circle is:

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r^2=16

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d^2=2^2+6^2

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8 0
3 years ago
Read 2 more answers
Plz help !! Me with it
astraxan [27]

Answer:

x=31

Step-by-step explanation:

4+ sqrt (x+5) = 10

Subtract 4 from each side

4 -4+ sqrt (x+5) = 10-4

sqrt(x+5) = 6

Square each side

(sqrt(x+5))^2 = 6^2

x+5 = 36

Subtract 5 from each side

x+5-5 = 36-5

x = 31

7 0
3 years ago
Read 2 more answers
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