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3 years ago

14

Please help what is the value of x

2 answers:

Monica [59]3 years ago

8 0

Answer:The procedure to use the find the value of x calculator is as follows:

Step 1: Enter the values in the divisor and the product field

Step 2: Now click the button “Solve” to get the output

Step 3: The dividend or the x value will be displayed in the output field

Step-by-step explanation:

In algebra, it is easy to find the third value when two values are given. Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication, and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

Aleks04 [339]3 years ago

5 0

Answer:

x=120

Step-by-step explanation:

$\frac{x+60}{x} =\frac{207}{138} \\subtract~1~from~both~sides\\\frac{x+60}{x} -1=\frac{207}{138} -1\\\frac{x+60-x}{x} =\frac{207-138}{138} \\\frac{60}{x} =\frac{69}{138} \\\frac{60}{x} =\frac{1}{2} \\x=120$

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viktelen [127]

If your only solving for the perimeter, then the answer is 18yd.

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3 years ago

Write the equation in standard form. Identity the center and radius.<br> x² + y2 + 8x-4y-7=0

lorasvet [3.4K]

Answer:

equation;

$(x + 4) {}^{2} + (y - 2) {}^{2} = 27$

Center (-4,2)

Radius is

$3 \sqrt{3}$

Step-by-step explanation:

Since the x^2 and y^2 have the same coeffiecent this will be a circle in a form of

$(x - h) {}^{2} + (y - k) {}^{2} = {r}^{2}$

Where (h,k) is center

r is the radius

So first we group like Terms together

${x}^{2} + 8x + {y}^{2} - 4y - 7 = 0$

Add 7 to both sides

${x}^{2} + 8x + {y}^{2} - 4y = 7$

$( {x}^{2} + 8x) +( {y}^{2} - 4y) = 7$

Since the orginal form of the equation of the circle has a perfect square we need to complete the square for each problem

$(\frac{8}{2} ) {}^{2} = 16$

and

$( - \frac{4}{2} ) {}^{2} = 4$

so we have

${x}^{2} + 8x + 16 + {y}^{2} - 4y + 4y = 7 + 16 + 4$

${x}^{2} + 8x + 16 + {y}^{2} - 4y + 4y = 27$

$(x + 4) {}^{2} + (y - 2) {}^{2} = 27$

To find our center, h is -4 and k is 2

so the center is (-4,2)

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2 years ago

If you answered 18 questions correct on a 30 question test, what is your score?

saveliy_v [14]

Answer:

60%

Step-by-step explanation:

30/10=3

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60%

4 0

3 years ago

A zookeeper is monitoring the population of gazelles. The herd needs three times more males than females to thrive, and the zoo

avanturin [10]

Answer:

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Step-by-step explanation:

Here, x represents the number of female gazelles and y represents the number of male gazelles.

The zoo only has room for 12 female gazelles.

∵ The number of rooms must be more than or equal to the total female gazelles ,

12 ≥ x

Also, number of animals can not be negative,

And, it must be greater than 0.

⇒ 0 < x ≤ 12,

⇒ 3(0) < 3x ≤ 3(12)

⇒ 0 < 3x ≤ 36

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⇒ y = 3x

⇒ 0 < y ≤ 36

Hence, the constraints to represent a thriving population of gazelles at the zoo are,

0 < x ≤ 12,

0 < y ≤ 36

7 0

2 years ago

Read 2 more answers

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weqwewe [10]

Answer:

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Step-by-step explanation:

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2 years ago