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torisob [31]
3 years ago
15

Lester was solving an equation but he made a mistake. What is the mistake and what is the correct answer? X + 17 = 22 –22 –22 x

= 0
Mathematics
2 answers:
m_a_m_a [10]3 years ago
5 0

X + 17 = 22

- 17 - 17

X=5

Amiraneli [1.4K]3 years ago
3 0

subtract 17, not 22, from both sides. 17 – 17 = 0 and 22 – 17 = 5. The answer should be x = 5.

Step-by-step explanation:

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If function g has the factors (x − 7) and (x 6), what are the zeros of function g? a. -7 and 6 b. -6 and 7 c. 6 and 7 d. -7 and
GREYUIT [131]

The correct option B.

The value of the zeros of function g is -6 and 7

<h3>What is Quadratic equation?</h3>

Any equation that can be rewritten in standard form as where x represents an unknown, a, b, and c represent known numbers, and where a 0 is true is a quadratic equation. As there is no ax2 term when a = 0, the equation is linear rather than quadratic.

<h3>According to the given information:</h3>

The factors are  (x − 7) and (x + 6)

On simplifying the we get:

x²+ 6x -7x -42 = 0

x² - x - 42 = 0

The factorizing these equation we get.

So the zeros are -6 and 7 , so option b is correct.

x_{1,2}=\frac{-(-1) \pm \sqrt{(-1)^{2}-4 \cdot 1 \cdot(-42)}}{2 \cdot 1}

$$x_{1,2}=\frac{-(-1) \pm 13}{2 \cdot 1}\\

x_1,_2 = ((1) ± 13)/2.1

x_1    = (1+13)/2.1

x_2     = (1 - 13)/2.1

X_1\\ = 7 , X_2 = -6

The Zeros of the function are: (7 , -6)

To know more about Quadratic equation visit:

brainly.com/question/11589380

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6 0
1 year ago
If a bat and ball costs $1:10
I am Lyosha [343]
X = bat, y = ball

x + y = 1.10
x = y + 1

y + 1 + y = 1.10
2y + 1 = 1.10
2y = 1.10 - 1
2y = 0.10
y = 0.10/2
y = 0.05 <=== the ball

x = y + 1
x = 0.05 + 1
x = 1.05 <== the bat
3 0
3 years ago
Read 2 more answers
What pair describes 6 and 4
viktelen [127]

Alternate interior angles I believe

4 0
3 years ago
Find the domain and range of the exponential function h(x) = 125 x
NARA [144]
Domain is all real numbers.
Range is all real numbers geater than 0
8 0
4 years ago
Which graph represents the rational function f(x) equals X squared -16 divided by X squared minus 2X -8
masya89 [10]

Answer:

It should be a graph of two branches, one on the top right, and bottom left, and the center of them should be at (-2, 1).

Step-by-step explanation:

f(x)=(x^2-16)/(x^2-2x-8)

= (x+4)(x-4)/(x-4)(x+2)

=(x+4)/(x+2)

=((x+2)+2)/(x+2)

=1+2/(x+2)

So the center is at (-2, 1)

7 0
3 years ago
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