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sukhopar [10]
3 years ago
15

True or false the angle

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

Second option: False

Step-by-step explanation:

You need to use the following identity:

sin\alpha=\frac{opposite}{hypotenuse}

Let be "x" the lenght of the buildings's shadow.

opposite=x (Lenght of building's shadow)

You can observe in the figure that:

\alpha=75\°\\\\hypotenuse=50ft

Substitute these values into  sin\alpha=\frac{opposite}{hypotenuse} and solve for ""x":

sin(75\°)=\frac{x}{50}\\\\(50)(sin(75\°))=x\\\\x=48.29\°

Therefore, the length of its shadow IS NOT 12.94 feet.

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I need help with this!
sashaice [31]

Answer:

Step-by-step explanation:

Let the width be w centimeters.

Then the length = w + 7.

The area A is found from the length multiplied by the width.

330 = w(w + 7) = w^2 + 7w.

Now we can rearrange this equation to form a quadratic, as follows:

The factorization of the quadratic is:

(w + 22)(w - 15) = 0

Therefore we find that:

width = 15 centimeters

length = 22 centimeters

4 0
3 years ago
Read 2 more answers
What is the remainder of 6728 divided by 70
yanalaym [24]
The remainder of 6728 divided by 70 is 8, This is because when 6728 is divided by 70, 70 goes into 6728, 96 times evenly. And there is only 8 left.
3 0
3 years ago
A farmer caught some wild pigs to use as founders for a domestic herd. The farmer wants all of her pigs to have one distinctive
nikdorinn [45]

Answer: Breed for black-haired pigs

Step-by-step explanation:

Now according to the statement, the farmer catches  wild pigs and mostly are brown.

Since black hair is dominant over brown and also black and brown are dominant over red,  this implies that red is the least dominant color meaning if breeding occurs, there would be less chance of getting red colored pigs.

She wants to breed either black or red haired pigs and since black is more dominant so she should breed the black ones with the brown ones or with themselves so she would eventually get pure-breeding herd i.e. of black color.

8 0
4 years ago
4+48 divided by 4x3..................................
BartSMP [9]

Answer:

4.41666666667

Step-by-step explanation:

sorry if im wrong, have a nice day!

8 0
3 years ago
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What are the coordinates of the point on the directed line segment from (−8,−6) to (-1, 8) that partitions the segment into a ra
aivan3 [116]

Answer:

(-3, 4)

Step-by-step explanation:

let the point P(x, y)

x = (5/7 × (-1+8)) + (-8)

= (5/7 × 7) -8 = 5-8 = -3

y = (5/7 × (8+6)) + (-6)

= (5/7 × 14) -6 = 10-6 = 4

so, P => (-3 , 4)

3 0
3 years ago
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