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Paraphin [41]
3 years ago
5

What is the value of x? Please go through the steps.

Mathematics
1 answer:
Andrej [43]3 years ago
3 0
You are going to use the Pythagorean theorem. 
 10/11=5x+10/121 
1210=11(5x+10)
1210=55x+110
-55x=110-1210
-55x=1100
x=20
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What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br><br> _____ units
krek1111 [17]

Answer:

x=28

Step-by-step explanation:

We can use similar triangles and proportions to solve this problem.  Put the side of the small triangle over the same side of the larger triangle.

x               42

---------- = ----------

x+10           42+15

Simplify

x               42

---------- = ----------

x+10           57

Using cross products

57x = 42 (x+10)

Distribute

57x = 42x+420

Subtract 42x from each side

57x-42x = 42x-42x +420

15x = 420

Divide each side by 15

15x/15 = 420/15

x=28

6 0
3 years ago
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Help!!! Need Anwser!!!​
jolli1 [7]

Hello.

The answer is choice A. angle 1 = 118, angle 2 = 118

Explanation:

The four angles above are congruent (meaning the same) to the ones beneath.

Angles 1 and 2 are also congruent, so they will measure the same.

Lets label the angles above A, B, C, D.    B being the known angle, which is 118°. The angles beneath can be labelled E, F, G, H.

∠B ≅ ∠D

∠ABCD ≅ ∠EFGH

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4 0
3 years ago
The distance travelled in (m) by a ball dropped from a height are 128/9,32/3,8,6,...
Allushta [10]

Answer: it will trave 56.89 meters before coming to rest.

Step-by-step explanation:

This is a geometric progression since the distance travelled (height) by the ball is reducing by a constant ratio, r. Since the number of times that the ball will bounce is infinite, then we would apply the formula for determining the sum of the terms in a geometric progression to infinity which is expressed as

S = a/(1 - r)

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a = initial distance or height of the ball

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From the information given,

a = 128/9

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Therefore,

S = (128/9)/(1 - 0.75) = 56.89 meters

7 0
3 years ago
x bought a cow for 42000 and was given a discount of 16 percent how much money would have been the discount had she bought the c
Alborosie

Answer:8% discount will be given

Step-by-step explanation:

3 0
3 years ago
Please help with this problem.
Black_prince [1.1K]

Answer:

d = 28

r = 14

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Step-by-step explanation:

Given:

r = 14

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Circumference:

C = 2πr

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3 years ago
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