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daser333 [38]
3 years ago
7

Help plzzzzz answer :(

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0
5\times(3+4)=35
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Solve the following equation: 2(x+1)=3x-1
gulaghasi [49]
2 (x+1) = 3x -1
2x + 2 = 3x - 1
x = -1
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3 years ago
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Calculate the slope of the line on the graph using the
polet [3.4K]

Given:

The graph of a line which represents position (m) at time (s).

To find:

The slope of the line.

Solution:

Formula for slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the given graph it is clear that the line passes through two points (0,0) and (1,4).

Using the above formula, we get

m=\dfrac{4-0}{1-0}

m=\dfrac{4}{1}

m=4

Therefore, the slope of the line is  4 m/s.

4 0
3 years ago
Solve the inequality -1/3h_<7
elixir [45]

Answer:

The solution to the given inequality

 h\geq \frac{-1}{21}

Step-by-step explanation:

Given inequality

                      \frac{-1}{3h} \leq 7

             ⇒     -1≤ 7× 3h

             ⇒     -1 ≤ 21 h

             ⇒    21 h ≥ -1

            ⇒       h\geq \frac{-1}{21}

5 0
3 years ago
The ratio x : x + 1 is equal to 1 : 2. Find the value of x .
NISA [10]

Answer:

x = 1

Step-by-step explanation:

   x         1

-------- = ----

 x + 1      2

Begin the solution by multiplying both sides by the LCD, which is 2(x + 1):

 2x = 2(x + 1)/2, or

2x = x + 1, or

x = 1

                    1

Check:  is -------- = 1/2?  

                  1 + 1

YES

5 0
3 years ago
What is the area of a triangle whose side is 17 meters long​
Lunna [17]

Answer:

125.141

Step-by-step explanation:

Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.

17 is our hypotenuse

17/2 = 8.5, this is one of our legs

The other leg is our height, which we will find.

We use Pythagoras Theorem to find the height/leg: a^{2} +b^{2} =c^{2}

17^{2} -8.5^{2} = 216.75

\sqrt{216.75} = 14.72243186

Now, we use another formula to find the area of the triangle: \frac{Base*Height}{2}

14.72243186 × 17 = 250.2813416

250.2813416 ÷ 2 = <u>125.1406708</u>

8 0
3 years ago
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