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kvv77 [185]
2 years ago
13

Find the value of x in the triangle listed here. If you could show me the steps, I would appreciate it.

Mathematics
2 answers:
nekit [7.7K]2 years ago
8 0
71 degrees. Reasoning: all the angles of a triangle added together always equal 180 degrees. The angle we do know is 38 degrees, so the other two must equal 142 degrees. As you can see, the two angles have the same degrees, so we can divide the 142 in half, to get 71 degrees.
-Dominant- [34]2 years ago
7 0

Answer:

71°

Step-by-step explanation:

The triangle shown is an isosceles triangle. Isosceles triangles have two equal sides and two equal angles. When all 3 angles are added, it should have a sum of 180°. The tip of the triangle is the part of the triangle with the smallest degree/angle. So the two remaining angles are the same amount.

180°=38°+x+?

180°=38°+71°+71°

Both missing angles are the same degree, and when both are added to 38, it has a sum of 180. x is equal to 71°.

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Calculate x Give your answer correct to 1 d.p. Х 35° 15 cm<br> it is a trigonometry question.​
OlgaM077 [116]

Here we are finding x, given the angle and adjacent side. To find x we will use the function cos as cos = a/h.

So let's do cos(35°) = 15cm / x

cos(35°) = 0.8 (1 dp)

x = 15 cm / cos(35°)

x = 18.3 cm (1 dp)

6 0
2 years ago
Jane is saving to buy a cell phone. She is given a $100 gift to start and saves $35 a month from her allowance. So after 1 month
Slav-nsk [51]

Yes, it makes sense to represent the relationship between the amount saved and the number of months with one constant rate. The relationship is 35x+ 100.

<h3>Relationship between the amount saved and the number of months</h3>

After 1 month, Jane will  saved=$35+$100

After 1 month, Jane has saved=$135

Hence,

Let x represent  the number of months

Since every month she saved $35 which inturn means that in x number of months she can save 35x. Based on this the relationship between the amount saved and the number of months  is 35x +100.

Therefore it makes sense to represent the relationship between the amount saved and the number of months with one constant rate. The relationship is 35x+ 100.

Learn more about  Relationship between the amount saved and the number of months here:brainly.com/question/13199011

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4 0
1 year ago
The area of a rectangle is 66 ft2, and the length of the rectangle is 1 ft more than twice the width. Find the dimensions of the
umka21 [38]
This is probably way overcomplicated but i cant remember how to do it
w = n
l = 2n+1
w*l = 66
n(2n+1) = 66
2n^2 + n =66
2n^2 + n - 66 = 0
using quadratic equation

n = 11/2

width = 11/2 = 5.5
length = 11 + 1 = 12
3 0
3 years ago
Simplify.<br><br> Rewrite the expression in the form 9n.<br><br> (9-3)(912)=
Yakvenalex [24]

Answer:

Step-by-step explanation:

(9-3)*912 = 6 * 912

               = 5472

              = 9* 608

7 0
2 years ago
Jenna wants to paint a wooden jewelry box that is 8 inches by 6 inches by 3 inches with clear paint. The bottle of paint says it
Tanzania [10]
Yes. 6x8 equals 48. 48x3 equals 144.
7 0
2 years ago
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