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____ [38]
3 years ago
13

What is the value of x?

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0

Answer:

x = 107

Step-by-step explanation:

The sum of the exterior angles of a polygon is 360

105 + 148 +x =360

Combine like terms

253 +x = 360

Subtract 253 from each side

253-253+x = 360-253

x = 107

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Solve the equation.<br> y +3=y+9
scoray [572]

Answer:

No solution

Step-by-step explanation:

=> y+3 = y+9

<u><em>Subtracting both sides by y</em></u>

=> y+3-y = y+9-y

=> 3 ≠ 9

So, This equation has no solution.

8 0
3 years ago
The diameter of a beach ball is 10 inches. How many cubic inches of air can the beach ball hold? Use 3.14 for pie . Round to the
Morgarella [4.7K]

volume = 4/3 x PI x r^3

r = 10/2 =5

V = 4/3 x 3.14 x 5^3 = 523.333

523.3 cubic inches

7 0
3 years ago
Convert 12 minutes 35 seconds to seconds<br><br>:_​
zalisa [80]

Answer:

755s

Step-by-step explanation:

60*12+35=755

This is the way

5 0
2 years ago
Read 2 more answers
Yvonne is solving the quadratic equation 6x2 + 24x + 7 = 0 by completing the square. Her first four steps are shown in the table
vladimir1956 [14]

The step in which Yvonne first makes an error while solving the quadratic equation by completing the square in step 1.

<h3>What is a quadratic equation?</h3>

A quadratic equation is an equation in which the highest power of the variable is two.

Yvonne is solving the quadratic equation, which is,

6x² +24x +7 =0

He is solving the above equation by completing the square.

The first step to solving this quadratic equation by completing the square is, Take the constant value 7 at the opposite side of the equation as,

6x² +24x = -7

Here, the number seven was a positive number, which we have changed to negative because this number brings the other side of the equation.

In the image attached below, the first step of  the Yvonne while solving the equation by completing the square is,

6x² +24x = 7

Here, Yvonne does not change the sign of the number 7 while taking it to another side of the equation.

Hence, the step in which Yvonne first makes an error while solving the quadratic equation by completing the square is step 1.

The table is attached with the answer below

Learn more about the quadratic equation here;

brainly.com/question/17177510

#SPJ1

8 0
2 years ago
Which expression is equivalent to 2(a+2b)-a-2b<br> o 3a+2b<br> o 3a-2b<br> o a-2b
lys-0071 [83]

Answer:

a -2b

Step-by-step explanation:

2(a+2b)-a-2b

Distribute

2a+4b -a-2b

Combine like terms

a -2b

8 0
3 years ago
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