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tankabanditka [31]
3 years ago
9

Quickkk! -2x-4>-64//what is the value of x

Mathematics
2 answers:
astra-53 [7]3 years ago
7 0

Answer:

x<30

Step-by-step explanation:

u got this

Rainbow [258]3 years ago
3 0

Answer:

x ≤ 30

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    -2*x-4-(-64)>0  

Step by step solution :

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  -2x + 60  =   -2 • (x - 30)  

Equation at the end of step

1

:

STEP

2

:

2.1    Divide both sides by  -2  

Remember to flip the inequality sign:

Solve Basic Inequality :

2.2      Add  30  to both sides

            x < 30

Inequality Plot :

2.3      Inequality plot for

        -2.000 X  + 60.000  <  0

 

 

One solution was found :

x < 30

 i hope this helps have a good day!

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Work out the area of this semicircle.Take pie to be 3.142 and give your answer to 2 decimal places 10cm
rosijanka [135]

Answer:

The area of the semi circle  A = 157.1 cm^2

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given radius of circle 'r' = 10 cm</em>

<em>The area of the circle formula </em>

<em>                                 </em>A = \pi (r)^{2}<em></em>

<em>The area of the semi circle formula </em>

                            A = \frac{\pi (r)^{2} }{2}

taking  π =3.142

                           A = 3.142 X \frac{(10)^2}{2}

On calculation , we get

                           A = 157.1 cm^2

<u><em>Final answer</em></u>:-

<em>The area of the semi circle  </em>A = 157.1 cm^2<em></em>

7 0
3 years ago
Raul calculated that he would spend $125 on school supplies this year. He actually spent $87.50 on school supplies. What is Raul
mylen [45]
C - 30%.

We know he spends less than he has expected, so we put it as a fraction calculate the percentage of the error. 

So it would be:

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When we move the chemical place two places to the left to make it a percentage, it will become 30%. 
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4 years ago
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Answer:

94.15

Step-by-step explanation:

15.5 x 3.5=  54.25

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54.25+39.9=94.15

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Answer:

10, 100. 70,700

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cuz qauntom of 11 77 divided by 11

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3 years ago
I need help!!!!!! what is x&amp;y?
Nady [450]
⭐x=7 because
10x+65=135
10x=70
x=7
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