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Daniel [21]
3 years ago
9

Solve for x. 10x – 79 = 2x + 49 x = [?]

Mathematics
2 answers:
Harrizon [31]3 years ago
7 0

Answer:

x = 16

Step-by-step explanation:

<u>Step 1:  Add 79 to both sides</u>

10x - 79 + 79 = 2x + 49 + 79

10x = 2x + 128

<u>Step 2:  Subtract 2x from both sides</u>

10x - 2x = 2x - 2x + 128

8x = 128

<u>Step 3:  Divide 8 from both sides</u>

\frac{8x}{8} = \frac{128}{8}

x = 16

Answer:  x = 16

8090 [49]3 years ago
7 0

*jjjjjjjjjjjjjjjjbbbjnjbbbbbbbbhfuh

Step-by-step explanation:

x=16

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xz_007 [3.2K]

9514 1404 393

Answer:

  x = 4

Step-by-step explanation:

The figure is a rhombus when the sides are the same length.

  21 -x = 2x +9

  12 = 3x . . . . . . . . add x-9 to both sides

  4 = x . . . . . . . . . . divide by 3

8 0
3 years ago
What is the correct answer for the mathematics equation 9 + 10 = is that to simple or too hard to answer
Rus_ich [418]
hmmm it’s a pretty difficult question I think it might be 19 or maybe 21 I don’t know
6 0
3 years ago
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A carpenter cuts the corners of a rectangle to make the trapezoid shown.
lozanna [386]

The value of x in the trapezoid is 11.

<h3>Properties of an isosceles trapezoid</h3>
  • The base angles are the same
  • The sum of opposite angles is 180° or supplementary.
  • The diagonals are the same in length.

Therefore, the angle 9x and 7x + 4 are supplementary.

Hence,

9x + 7x + 4 = 180

16x + 4 = 180

16x  = 180  - 4

16x = 176

x = 176 / 16

x = 11

learn more on trapezoid here: brainly.com/question/18651035

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4 0
2 years ago
The length of ZX is 2 units. What is the perimeter of triangle XYZ?
dezoksy [38]

Keywords

triangle,perimeter,distance, length, side, points

we know that

The <u>perimeter</u> of a<u> triangle</u> is the sum of the three <u>length</u> <u>side</u>

To find the<u> length</u> <u>side</u> calculate the <u>distance</u> between two <u>points</u>

The formula to calculate the <u>distance</u> between to <u>points</u> is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}


Step 1

Find the <u>distance</u> ZY

Z(1,0)\\Y(3,1)  

substitute the values


d=\sqrt{(1-0)^{2}+(3-1)^{2}}


dZY=\sqrt{5}\ units


Step 2

Find the <u>distance</u> XY

X(-1,4)\\Y(3,1)  

substitute the values


d=\sqrt{(1-4)^{2}+(3+1)^{2}}


dXY=\sqrt{25}=5\ units  

Step 3

Find the <u>perimeter</u> of the <u>triangle</u>

P=ZX+ZY+XY

we have

dZX=2\sqrt{5}\ units


dZY=\sqrt{5}\ units


dXY=5\ units  

Substitute

P=(2\sqrt{5}+\sqrt{5}+5)\ units

therefore

the answer is

P=(3\sqrt{5}+5)\ units

4 0
3 years ago
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kozerog [31]
4,080,499 rounded to the nearest thousand is 4,080,000.
6 0
3 years ago
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