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mr_godi [17]
3 years ago
9

Solve 3[–x + (2 x + 1)] = x – 1. X= ?

Mathematics
2 answers:
Yakvenalex [24]3 years ago
5 0

Answer:

The answer is negative 2, for those who don't see the negative sign.

Step-by-step explanation:

ollegr [7]3 years ago
3 0

Answer:

x=-2??

I think this is right .-. sorry if its not

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Find the value of x in the triangle shown below.<br> 13<br> 5<br> X
LekaFEV [45]

Answer:

A. x = 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use PT to solve for the missing side.

<u>Step 2: Identify Conversions</u>

Leg <em>a</em> = <em>x</em>

Leg <em>b</em> = 5

Hypotenuse <em>c</em> = 13

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute:                    x² + 5² = 13²
  2. Isolate <em>x</em> term:              x² = 13²- 5²
  3. Exponents:                   x² = 169 - 25
  4. Subtract:                       x² = 144
  5. Isolate <em>x</em>:                       x = 12
4 0
3 years ago
A bag has 4 yellow, 6 red, 2 green, and 8 purple marbles . What is the probability of picking a purple marble, replacing it, and
Ostrovityanka [42]
7/19 is the answer because your replacing the purple marble and it became 7 all u do is add them
3 0
3 years ago
Read 2 more answers
Mark is creating a tarp to cover his new vegetable garden outside. He needs enough nylon to cover the garden which is 10 feet by
Cerrena [4.2K]

Answer:

$91.67.

Step-by-step explanation:  

We have been given that Mark is creating a tarp to cover his new vegetable garden outside. He needs enough nylon to cover the garden which is 10 feet by 8 feet and then he will attach rope along the edges of the nylon to stake it down with.

A. Let us find area covered by nylon by multiplying 10 by 8.

\text{ Amount of Nylon needed to cover the garden}=10\text{ feet}*8\text{ feet}

\text{ Amount of Nylon needed to cover the garden}=80\text{ feet}^{2}

Now let us convert area of needed nylon from square feet into square yard by multiplying 80 by 0.111111.

\text{ Amount of Nylon needed to cover the garden}=80*0.111111\text{ yards}^{2}

\text{ Amount of Nylon needed to cover the garden}=8.88889\text{ yards}^{2}

Now let us multiply 8.88889 by 5.25 to find the cost of nylon cover of the garden.

\text{ Cost of Nylon cover of the garden}=8.88889*5.25

\text{ Cost of Nylon cover of the garden}=46.6666725\approx 46.67

Therefore, the cost of nylon cover will be $46.67.

B. Now let us find length of rope by finding the perimeter of the garden.

\text{Length of rope}=2(10+8)\text{ feet}

\text{Length of rope}=2(18)\text{ feet}

\text{Length of rope}=36\text{ feet}

Now let us find the cost of 36 feet long rope by multiplying 36 by 1.25.

\text{Cost of rope}=36*1.25

\text{Cost of rope}=45

Therefore, the cost of rope will be $45.

To find the total cost to make the cover we will add cost of nylon cover and cost of rope.

\text{Total cost to make the cover}=45+46.67

\text{Total cost to make the cover}=91.67

Therefore, it will cost $91.67 for Mark to make the cover for vegetable garden.

7 0
3 years ago
Ted creates a box plot using 14, 13, 21, 10, 28, 30, and 35 as the data. Which of the following box plots shows the data accurat
Slav-nsk [51]

<span> A box plot is drawn with end points at 10 and 35.The box extends from 13 to 30 and a vertical line is drawn inside the box at 21.</span>
8 0
4 years ago
Read 2 more answers
What is the solution of the inequality?
OleMash [197]
Multiply both sides by 5 to go from this
x/5 >= -2
to this
x >= -10

The notation ">=" without quotes means "greater than or equal to"

To graph this, plot -10 on the number line as a closed circle. Shade to the right of this closed circle. The shaded region represents all the solutions to the original inequality. 

Final Answer: Choice D
4 0
3 years ago
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