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Zinaida [17]
3 years ago
8

Help. Find the value of x to the nearest tenth

Mathematics
1 answer:
vodka [1.7K]3 years ago
6 0

I will assume that line 4 bisect line x exactly in half. This means that if we solve the last side of the triangle like seen in the pic below we will know what half of line x is

To find the length of the last side of the triangle (let's call this y) you must use Pythagorean theorem

a^{2} +b^{2}=c^{2}

a and b are the legs (the sides that form a perpendicular/right angle)

c is the hypotenuse (the side opposite the right angle)

In this case...

a = 4

b = y

c = 6

^^^Plug these numbers/variables into the theorem

4^{2} +y^{2} =6^{2}

solve for y

16 + y^{2}  = 36

y^{2} = 20

x = √20

x ≈ 4.472

^^^This is only half of x so if you double it then it will get you the full length of x

4.472 * 2 = 8.944

8.9 (D)

Hope this helped!

~Just a girl in love with Shawn Mendes

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7. x – 5y = 4<br>2x + 14 = y​
const2013 [10]
This is your answer.... all you are doing is substituting what ever the variable is

4 0
3 years ago
Mrs. Rifkin had 84 oranges. 24 of her oranges were rotten. The rest were either ripe or unripe. There were 18 more ripe oranges
Natalka [10]

Answer:

13:8:7

Step-by-step explanation:

84 - 24 = 60

60 oranges were either ripe or unripe.

18 more ripe oranges than unripe oranges.

x + 18 = ripe oranges

x = unripe oranges

x + 18 + x = 60

2x + 18 = 60

2x = 42

x = 21

21 are unripe oranges

21 + 18 = 39

39 oranges are ripe.

Ratio of the number of ripe oranges to the number of rotten oranges to the number of unripe oranges.

39:24:21

13:8:7

4 0
3 years ago
(-x + 3) + (x + 5) = i need a step by step explanation plz
ddd [48]

Answer:

(-x+3)+(x+5)= -x+3+x+5. =now add the numbers -x+8+x = now combined like terms = 8 now 8 is the answer

5 0
3 years ago
Solve the equation below for x in terms of a 4(ax+3)-3ax=25+3a
Luden [163]
4ax+12-3ax=25+3a
Ax+12=25+3a
Ax=25-12+3a
Ax=13+3a
X=13/a+3
6 0
3 years ago
The circumference of a circle is 212 inches What is the measurement of the diameter of the circle round your answer to the neare
Zepler [3.9K]
Hi there!
So first to find the diameter, you will need to find the radius of the circle because the diameter is twice the length of the radius. 
Find the radius from the circumference, which is 2 \pi r.
C= 2 \pi r
212= 2 \pi r
212/2 \pi=r
Then solve for r.
Radius= 33.74
Then multiply the radius by 2 to find the diameter.
Diameter= 2 * 33.74
Diameter= 67.5 inches

Hope this helps :)
4 0
3 years ago
Read 2 more answers
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