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Zarrin [17]
3 years ago
12

Please help. will mark brainliest. What is the value of x? Show all of your work.

Mathematics
1 answer:
AveGali [126]3 years ago
6 0

Answer:

9 cm

Step-by-step explanation:

\sqrt{117} ^{2} - 6^{2}  = x^{2}

81 =x^{2}

\sqrt{81} = x

9 cm = x

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Graph the line y = kx +1 if it is known that the point M belongs to it: M(1,3)
tigry1 [53]

Answer:

M(x,y) = (1,3) belongs to the line y = 2\cdot x +1. Please see attachment below to know the graph of the line.

Step-by-step explanation:

From Analytical Geometry we know that a line is represented by this formula:

y=k\cdot x + b

Where:

x - Independent variable, dimensionless.

y - Dependent variable, dimensionless.

k - Slope, dimensionless.

b - y-Intercept, dimensionless.

If we know that b = 1, x = 1 and y = 3, then we clear slope and solve the resulting expression:

k = \frac{y-b}{x}

k = \frac{3-1}{1}

k = 2

Then, we conclude that point M(x,y) = (1,3) belongs to the line y = 2\cdot x +1, whose graph is presented below.

3 0
3 years ago
Help please os of álgebra
kozerog [31]

Answer:

(11, 11)

Step-by-step explanation:

Solve by substitution:

1. set the equations equal to each other

3x-22=-x+22

2. simplify

4x-22=22\\4x=44\\x=11

3. substitute the value of x into an equation

y=3(11)-22\\y=33-22\\y=11

7 0
4 years ago
Which graph shows the line y=35x−3?
elena-s [515]

Answer:

the last picture

Step-by-step explanation:

the one where the line hits the -3 mark on the y-axis

5 0
3 years ago
Read 2 more answers
Carla wants to create a garden in her backyard. She wants the width of the garden to be 9 meters and the area to be 162 meters.
Naddik [55]
<h3>Answer:  18</h3>

Work Shown:

area = length*width

length = area/width

length = 162/9

length = 18 meters

7 0
2 years ago
540 seconds how many minutes
Ira Lisetskai [31]
1 second = 0.0167 minute
540 seconds = 540 * 0.0167 ≈ 9 minute

Hope this helps :)
8 0
3 years ago
Read 2 more answers
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