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Soloha48 [4]
3 years ago
6

Solve for x. Please do not answer if you don't know.

Mathematics
2 answers:
Jobisdone [24]3 years ago
5 0
Hi!

Okay so the 18x + 2 is in the same spot as the 110 degrees so you equal the equation to 110

18x + 2 = 110

First subtract 2 from both sides.

Leaving you with 18x = 108

Then you divide both sides by 18 to get x alone.

Which is 6 so

x = 6

hope this helps !
jenyasd209 [6]3 years ago
3 0

Answer:

6

Step-by-step explanation:

They are corresponding angles which means they are congruent or the same.

So:

18x+2=110

     -2   -2

18x=108

/18    /18

x=6

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In ∆DEF, DE = 18, EF = 16, and DF = 12. Find m∠F.
german

Answer:

∠F=78.58484226°

Step-by-step explanation:

a²=b²+c² - 2bc cosA

DE²=EF²+DF² - 2(EF)(DF)cos∠F

18²=16²+12²-2(16)(12)cos∠F

324=256+144-384cos∠F

324-400=-384cos∠F

76=384cos∠F

0.197916=cos∠F

∠F=cos⁻¹(0.197916)

∠F=78.58484226°

5 0
2 years ago
I am a number rounding to the nearest thousand makes me 1000.all my digits are even their sum is 12 they are in order from great
stepan [7]

Answer:

The answer is: 642

Step-by-step explanation:

Add 6 + 4 + 2 = 12

You only have 2, 4, 6, 8 to work with. 642 rounded to the nearest thousand is 1,000. The order of 642 is from greatest to least and no number repeats.

7 0
3 years ago
Tangent Be and secant BC intersect at point B. Find the value of x. If necessary, round to the hundredths place.
djverab [1.8K]

The value of x is 15.56.

Solution:

Tangent and Secant theorem:

If one secant and one tangent are drawn to a circle from one exterior point, then the square of the length of the tangent is equal to the product of the external secant segment and the total length of the secant.

BE = 22 BD = x, CD = x

BC = x + x = 2x

By the tangent and secant theorem,

BE^2=BD \cdot BC

22^2=x \cdot 2x

484= 2x^2

Divide by 2 on both sides of the equation, we get

242=x^2

Take square root on both side of the equation.

x = 15.56

Hence the value of x is 15.56.

8 0
3 years ago
Find the coordinates for the midpoint of the segment with endpoints given (3,5)<br>(-2,0)​
densk [106]

Answer:

(\frac{1}{2},\frac{5}{2})

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

<u>Alg I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

Point (3, 5)

Point (-2, 0)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{3-2}{2},\frac{5+0}{2})
  2. Subtract/Add:               (\frac{1}{2},\frac{5}{2})
4 0
3 years ago
Simplify the expression 34÷(−23)+0.5 . Write in simplest form.
denpristay [2]

Answer:

-0.97 or -97/100

6 0
3 years ago
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