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Ilia_Sergeevich [38]
3 years ago
6

PLZ HELP ASAP!!! solve for X!!

Mathematics
2 answers:
adelina 88 [10]3 years ago
4 0

Opposite angles are same

\\ \sf\longmapsto 5x=6x-13

\\ \sf\longmapsto 6x-5x=13

\\ \sf\longmapsto (6-5)x=13

\\ \sf\longmapsto x=13

Arada [10]3 years ago
3 0

Answer:

x=13

Step-by-step explanation:

The two angles are vertical angles and vertical angles are equal

5x = 6x-13

Subtract 6x from each side

5x-6x = 6x-13-6x

-x = -13

Multiply each side by -1

x=13

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Which of the following are the coordinates of the vertex of y = −x2 + 2x + 1? (2, 1) (1, –2) (1, 2) (–2, 1)
IceJOKER [234]

Answer:

C

Step-by-step explanation:

We want to determine the vertex of the quadratic equation:

\displaystyle y = -x^2 + 2x + 1

Recall that the vertex is given by the formulas:

\displaystyle \text{Vertex} = \left(-\frac{b}{2a}, f\left(-\frac{b}{2a}\right)\right)

In this case, <em>a</em> = -1, <em>b</em> = 2, and <em>c</em> = 1.

Determine the <em>x-</em>coordinate of the vertex:

\displaystyle x = -\frac{(2)}{2(-1)} = 1

To determine the <em>y-</em>coordinate, evaluate the function at <em>x</em> = 1:

\displaystyle \begin{aligned} y(1)&= -(1)^2 + 2(1) + 1 \\ &= 2\end{aligned}

In conclusion, the vertex of the quadratic equation is (1, 2).

Hence, our answer is C.

3 0
2 years ago
Pls help me pls pls ​
Ira Lisetskai [31]

7x = 2x + 20
5x = 20

X =4
3 0
3 years ago
Read 2 more answers
A store manager determines that, on average, it takes Jemel 26.1 seconds to fold and put away 1 shirt. The manager uses a clock
Furkat [3]
<span>This problem is an example of ratio and proportion. A ratio is a comparison between two different things. You are given the time of about 26.1 seconds to fold 1 shirt. Also you are given 48 shirts. You are required to find the time in seconds to fold 48 shirts. The solution of this problem is,</span>  
<span>
26.1 seconds /1 shirt = time/ 48 shirts</span>
<span>time = (48 shirts) (26.1 seconds /1 shirt)</span>
<span>time<u> = 1,252.8 seconds</u></span>
<u>The time it takes to fold 48 shirts is 1,252.8 seconds.</u>
3 0
3 years ago
Dara ran on a treadmill that had a readout indicating the time remaining in her exercise session. When the readout indicated 24
Nat2105 [25]

Answer:

E. 16 min 12 sec

Step-by-step explanation:

Let x represent total time taken to complete the exercise.

We have been given that Dara ran on a treadmill that had a readout indicating the time remaining in her exercise session.

When the readout indicated 24 min 18 sec, she had completed 10% of her exercise session. This means that 90% time of exercise is equal to 24 minutes and 18 seconds.

18 seconds will be equal to 0.3 minutes.

Let us find total time of exercise as:

\frac{90}{100}x=24.3

0.90x=24.3

\frac{0.90x}{0.90}=\frac{24.3}{0.90}

x=27

To find readout when Dara had completed 40% of her exercise session, we need to find 60% of total time.

\frac{60}{100}(27)=0.60(27)=16.2

Since our time in in minutes, so we will convert 0.2 minutes to seconds by multiplying by 60.

0.20(60)=12

Therefore, the readout will indicate 16 minutes 12 seconds, when Dara had completed 40% of her exercise session.

8 0
3 years ago
I need help please!!!!
nika2105 [10]

Answer: I think it is 364.80

5 0
2 years ago
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