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Reil [10]
3 years ago
12

Find the unknown length of x

Mathematics
1 answer:
nlexa [21]3 years ago
8 0

25 is the length of x, using the 30-60-90 special triangle method

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Analyze the diagram below and complete the instructions that follow. / Describe the translation that maps the preimage to the im
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Where is the image?????

8 0
3 years ago
For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. Tell whether the discriminant of ax^2 + bx + c
Elan Coil [88]

Answer:

29) discriminant  is positive

30) discriminant  is 0

31) discriminant  is negative

Step-by-step explanation:

the graph of a quadratic function y=ax^2 + bx + c is shown. Tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

In the graph of question number 29 we can see that the graph intersects the x axis at two points

so the equation has 2 solutions.

When the equation has two solution then the discriminant is positive

In the graph of question number 30 we can see that the graph intersects the x axis at only one point

so the equation has only  1 solution.

When the equation has only one solution then the discriminant is equal to 0

In the graph of question number 30 we can see that the graph does not intersects the x axis  

so the equation has 2 imaginary solutions.

When the equation has two imaginary solutions then the discriminant is negative

3 0
3 years ago
Can some please help me
lianna [129]

Answer: (-1, -3)

Step-by-step explanation:

x: -2= (-3 + x)/2               y: 5 = (7 + y)/2

   -4= -3 + x                         10= 7 + y

   -1 =x                                  -3 = y

              (-1,-3)

7 0
3 years ago
Find the solution to the equations. Will Mark Brainliest
vova2212 [387]

Answer:

(- 1, 1 )

Step-by-step explanation:

Given the 2 equations

2x - y = - 3 → (1)

x + y = 0 → (2)

Adding the 2 equations term by term will eliminate the term in y, that is

3x = - 3 ( divide both sides by 3 )

x = - 1

Substitute x = - 1 into either of the 2 equations and solve for y

Substituting into (2)

- 1 + y = 0 ( add 1 to both sides )

y = 1

Solution is (- 1, 1 )

7 0
3 years ago
Read 2 more answers
Bert measured a swimming pool and made a scale drawing. The scale of the drawing was
Cerrena [4.2K]
1/100
Each meter is 100 centimeter
8 0
3 years ago
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