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Klio2033 [76]
3 years ago
6

I will give the brainliest answer !!!

Mathematics
2 answers:
zubka84 [21]3 years ago
4 0

Answer: 41 degrees

Step-by-step explanation:

measure of angles in a triangle is 180 degrees

So

87 + 52 + ? = 180

139 + ? = 180

? = 41

natulia [17]3 years ago
4 0

Answer:

$gsghdhshshshshdhhdhdhd .35 angles triangle.

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(x – 3)(4x + 2) using the distributive property. Select the answer choice showing the correct distribution
Nataly [62]

The distributive property: a(b + c) = ab + ac

(x - 3)(4x + 2) = (x)(4x + 2) + (-3)(4x + 2)

= (x)(4x) + (x)(2) + (-3)(4x) + (-3)(2) = 4x² + 2x - 12x - 6

<h3>= 4x² - 10x - 6</h3>
5 0
3 years ago
A tree casts a shadow 21m long. The angle of elevation of the sun is 55 degrees. What is the height of the tree?
Orlov [11]

Answer:

The height of the tree is about 30 feet.

Step-by-step explanation:

tan(55) = h/21

*21          *21

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4 0
2 years ago
Solve the following equation. Round solution to the tenths place.<br> 29 = с/7.2<br> C =
expeople1 [14]

Answer:

c = 208.8

Step-by-step explanation:

a. \frac{c}{7.2} =29   <em>To solve for C, you need to get the variable on one side of the equation and the numbers on the other side of the equation.</em>

b.  \frac{c}{7.2} =29   <em>You need to move the 7.2 to the other side. So, </em><em>multiply</em><em> both sides by 7.2, because it's being divided, so multiplying will cancel it out.</em>

c:  c = 29 * 7.2   <em>Then, multiply 7.2 by 29. (The * symbol means multiply)</em>

d.  c. = 208.8   <em>The answer is 208.8, which is rounded to the tenths place.</em>

Hope this helps! I tried to explain it in detail. :)

7 0
3 years ago
Help!!I need this done by tomorrow .What is the area of the parallelogram shown?
makvit [3.9K]

Answer:

234 inches

Step-by-step explanation:

Area= base x height

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The height of a parallelogram must be perpendicular to its base, the base of this parallelogram can only be 13 inches and the height is 18 inches. Since the side lengths are not straight lines the height must be found using this method.

The height of a triangle, parallelogram and trapezoid must have a height that is perpendicular to its base. Whereas it can be found by extending the length of the base or straightening the side length that is to be the height creating a right angle.  

6 0
2 years ago
Which of these represents 1° of arc on the earth’s equator, if the equatorial radius of the earth is 3963 miles?
NeX [460]
What are the choices ? ? It's about 69 miles or 111 km.
4 0
2 years ago
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