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natita [175]
3 years ago
12

Solve for x in the diagram below. (2 +40) 60°

Mathematics
2 answers:
arlik [135]3 years ago
8 0

Answer:

\boxed{x\degree = 20\degree}

Step-by-step explanation:

<em>Verti</em><em>cally</em><em> </em><em>o</em><em>pposite</em><em> angles are equal.</em>

=  > (x + 40) \degree = 60 \degree \\  \\  =  > x \degree + 40 \degree = 60 \degree \\  \\  =  > x \degree = 60 \degree - 40 \degree \\  \\  =  > x \degree = 20 \degree

Yakvenalex [24]3 years ago
7 0

Answer:

20°

Step-by-step explanation:

x+40=60 (vertically opposite angle)

or, x=60-40

or, x=20°

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Sheldon picked 4 4/10 kg but 15 kg were rotten and had to be thrown away. How many kilograms of tomatoes were not rotten?
nataly862011 [7]

Answer:

10.6 kg

Step-by-step explanation:

first convert 4 4/10 to kg

4/10 is equal to .4

so 4.4kg were rotten

subtract from total

15-4.4=10.6 kg

3 0
3 years ago
What is the value of x?<br> 6.75+ x = 131
yanalaym [24]

Answer:

x = 497/4 = 124.250

Step-by-step explanation:

Step  1  :

           27

Simplify   ——

           4

Equation at the end of step  1  :

  27          

 (—— +  x) -  131  = 0

  4          

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Adding a whole to a fraction

Rewrite the whole as a fraction using  4  as the denominator :

        x     x • 4

   x =  —  =  —————

        1       4  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

27 + x • 4     4x + 27

——————————  =  ———————

    4             4  

Equation at the end of step  2  :

 (4x + 27)    

 ————————— -  131  = 0

     4        

Step  3  :

Rewriting the whole as an Equivalent Fraction :

3.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  4  as the denominator :

          131     131 • 4

   131 =  ———  =  ———————

           1         4  

Adding fractions that have a common denominator :

3.2       Adding up the two equivalent fractions

(4x+27) - (131 • 4)     4x - 497

———————————————————  =  ————————

         4                 4    

Equation at the end of step  3  :

 4x - 497

 ————————  = 0

    4    

Step  4  :

When a fraction equals zero :

4.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, multiplys both sides of the equation by the denominator

Here's how:

 4x-497

 —————— • 4 = 0 • 4

   4  

Now, on the left hand side, the  4  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  4x-497  = 0

Solving a Single Variable Equation :

4.2      Solve  :    4x-497 = 0

Add  497  to both sides of the equation :

                     4x = 497

Divide both sides of the equation by 4:

                    x = 497/4 = 124.250

One solution was found :

                  x = 497/4 = 124.250

Processing ends successfully

plz mark me as brainliest :)

6 0
3 years ago
A star-patterned quilt has a star with the angles shown. What is the value of X? The diagram is not to scale.
hodyreva [135]
I want to say 81°

Here's how I found that:

The angle 105° is on a straight line showing the outer obtuse angle. A straight line is 180°.
180-105=75.
Therefore that inner angle of the 105° is 75°.

We are also given the top angle of 24°.

All 3 angles of a triangle should add up to 180. So, we get the 75+24=99
180-99=81

Last angle should be 81°
5 0
4 years ago
How would you solve this equation? Please show steps
Serhud [2]
Simple....

you have: 3x= \sqrt{12-12x}

So...first you know you're trying to find x..

But, you have a square root on one side...to remove this you'd have to square both sides--->>>

(3x)^{2} = \sqrt{12-12x}  ^{2}

Leaving you with....

9x^{2} =12-12x

Move the terms over and set it equal to zero.

-->>

9x^{2}+12x-12=0

Factor out a 3...

3( 3x^{2} +4x-4=0)

What multiplies to -12 and adds to 4?

6*-2=-12

6+-2=4

Leaving you with...

3(3x-2)(x+2)=0

Remember you're solving for 0....

3x-2=0

3x-2=0
    +2  +2

3x=2

\frac{3x}{3} = \frac{2}{3}

x=
\frac{2}{3}

Then-->>

x+2=0

x+2=0
  -2   -2

x=-2

Thus, your answer.
 


4 0
3 years ago
Are the ordered pairs (0,2), (1,4), (2,6), (3,8) linear or non linear?
Ipatiy [6.2K]

Answer:

Step-by-step explanation:

8 0
3 years ago
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