aaliyahthao916 aaliyahthao916
  • 23-04-2018
  • Mathematics
contestada

Find the value of x to the nearest tenth?




-7.9


-8.1


-8.9


-7.5

Find the value of x to the nearest tenth 79 81 89 75 class=

Respuesta :

Аноним Аноним
  • 23-04-2018
First we should find the base length of the triangle (let's call this y) using Pythagoras' Theorem: c^2 = a^2 + b^2, where c is the hypotenuse and a and b are the other two sides
6^2 = 4^2 + y^2
36 = 16 + y^2
y^2 = 20
y = 4.47 (to two decimal places)

Now this y-value that we have found is actually half of x, which we can see since the length x is perpendicular to h, and thus:
4.47 = 0.5x
x = 4.47/0.5 = 8.9 (to the nearest tenth)
Thus the answer is C
Answer Link

Otras preguntas

10 point question :) :) :)
An adult human heart beats an average pf 72 per minute. With each beat, it pumps 70 milliliters of blood. How many milliliters of blood does the average human h
In the concentration camps, two people least likely to be executed were
100 points!! Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online C
What is 7,430,270 in expanded form
What is the area of a square with lengths of 7 inches
write about your village in french​
Can you guys solve number 1,2, and 3// music choir
find the image of the given point under the given translation!!!! help please!!!!​
Which country was the site of ethnic tensions and a civil war between the hutu and Tutsi in the 1990s?