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LenaWriter [7]
3 years ago
12

Which statement is true regarding the graphed functions?

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0

Answer:

probably b

Step-by-step explanation:

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First you need to turn this into an improper fraction. Then, using your improper fraction, you simplify
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Lowest denominator 1/15 9/5 3/8
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<span>LCD(<span>115</span>, <span>95</span>, <span>38</span>) = LCM(15, 5, 8) = 23×3×5 = 120</span>
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Look at the figure what is the value of y √2y+3=11
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y=2

Step-by-step explanation:

first solve those in the brackets then find the square root

2y+3=11

put like terms together

3 goes to the right side

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3 years ago
Solve for x.<br> 9x = 3x - 36<br> A x = -6<br> B x = – 4<br> C X=4<br> D x = 6
Lelu [443]

Answer:

x=-6

Step-by-step explanation:

9x-3x=-36

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brainliest?

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Solve the system. -3x-y=10; y-4z=-13; x-4y+z=4
kvasek [131]

9514 1404 393

Answer:

  (x, y, z) = (-3, -1, 3)

Step-by-step explanation:

Many graphing calculators can solve matrix equations handily. Here, we use a combination of methods.

Use the last equation to write an expression for z.

  z = 4 -x +4y

Substitute this into the second equation:

  y -4(4 -x +4y) = -13

  y -16 +4x -16y = -13

  4x -15y -3 = 0

In genera form, the first equation can be written as ...

  3x +y +10 = 0

Now, the solution to these two equations can be found to be ...

  x = (-15(10) -1(-3))/(4(1) -3(-15)) = (-150 +3)/(4+45) = -3 . . . using "Cramer's rule"

  y = -(10 +3x) = -(10 -9) = -1 . . . . from the first equation

  z = 4 -(-3) +4(-1) = 3 . . . . . . . . from our equation for z

The solution to the system is (x, y, z) = (-3, -1, 3).

_____

<em>Additional comment</em>

Written as an augmented matrix, the system of equations is ...

  \left[\begin{array}{ccc|c}-3&-1&0&10\\0&1&-4&-13\\1&-4&1&4\end{array}\right]

4 0
3 years ago
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