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MakcuM [25]
3 years ago
13

Is the ordered pair (-2,7) a solution to the equation 18 - 4x= -2x - 12

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

the answer is No for this question

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Please help me. Solve by using substitution.
juin [17]

Answer:

y=-3x+3..........(1)

6x+2y=6

putting value of y

6x+2(-3x+3)=6

6x-6x+6=6

o=0

sorry I do not get answer

6 0
2 years ago
Read 2 more answers
2. Each of the following lines has a slope that can be determined by examining the graph. Use another point
Natali [406]

The slope, y-intercept and the equation of the following graph are as follows:

1(a)

slope : 1

y-intercept: 2

Equation: y = x + 2

(b)

slope : -  1 / 3

y-intercept: - 1

Equation: y = - 1 / 3x - 1

2.

(a)

slope : 3 / 4

y-intercept: 5 / 4

Equation: y = 3 / 4 x + 5 / 4

(b)

slope : - 3 / 2

y-intercept: 1 / 2

Equation: y = - 3 / 2 x + 1 / 2  

<h3 />

<h3>Slope intercept equation</h3>
  • y = mx + b

where

m = slope

b = y-intercept

Therefore lets find the slope, y-intercept and equation of the following graph.

1.

(a)

(0, 2)(1, 3)

m = 3 - 2 / 1 - 0 = 1

b = 2

y = x + 2

(b)

(0, -1)(-3, 0)

m = 0 + 1 / -3 - 0 = - 1 / 3

b = -1

y = - 1 / 3x - 1

2.

(a)

(1, 2)(-3, -1)

m = -1 - 2 / -3 - 1 = 3 / 4

2 = 3 / 4 (1) + b

b = 2 - 3 / 4  = 5 / 4

y = 3 / 4 x + 5 / 4

3.

(b)

(-3, 5)(1, -1)

m = - 1 - 5 / 1 + 3 = - 6 / 4 = - 3 / 2

-1 = - 3 /2 (1) + b

b = -1 + 3 / 2 = 1 /2

y = - 3 / 2 x + 1 / 2  

learn more on y-intercept here: brainly.com/question/2833377?referrer=searchResults

6 0
2 years ago
Please tell me the answer as simple as you can
lilavasa [31]

Answer:

1 commutative

2 identity

3 associative

4 identity

5 associative

Step-by-step explanation:

8 0
2 years ago
1<br> Which graph represents the linear function below?
Mamont248 [21]

The graph that represents the given linear function is attached below.

We are given a function. A function connects an input with an output. It is analogous to a machine with an input and an output. And the outcome is somehow connected to the input. The equation is linear in nature. It represents a straight line. The equation is given below.

(y - 4) = (4/3)(x - 2)

A line's general equation in slope-intercept form is y = mx + c. We will convert the given equation into this form.

y - 4 = (4/3)x - 8/3

y = (4/3)x - 8/3 + 4

y = (4/3)x + 4/3

The slope of the given equation is 4/3. The y-intercept for the given equation is 4/3.

To learn more about functions, visit :

brainly.com/question/5975436

#SPJ1

3 0
11 months ago
A test of sobriety involves measuring the subject's motor skills. Twenty randomly selected sober subjects take the test and prod
elena55 [62]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is:

X: motor skills of a sober subject.

n= 20

X[bar]= 37.1

S= 3.7

The claim is that the average score for all sober subjects is equal to 35.0, symbolically: μ= 35.0

The hypotheses are:

H₀: μ = 35.0

H₁: μ ≠ 35.0

α: 0.01

The statistic to use, assuming all conditions are met, is a one sample t- test

t= \frac{X[bar]-Mu}{\frac{S}{\sqrt{n} } } ~t_{n-1}

t_{H_0}= \frac{37.1-35.0}{\frac{3.7}{\sqrt{20} } } = 2.34

This test is two-tailed, meaning, the rejection region is divided in two and you'll reject the null hypothesis to low values of t or to high values of t:

t_{n-1;\alpha /2}= t_{19; 0.005}=-2.861

t_{n-1;1-\alpha /2}= t_{19; 0.995}= 2.861

The decision rule using this approach is:

If t_{H_0} ≤ -2.861 or if t_{H_0} ≥ 2.861, you reject the null hypothesis.

If -2.861 < t_{H_0} < 2.861, you do not reject the null hypothesis.

The value is within the non rejection region, the decision is to not reject the null hypothesis.

I hope this helps!

3 0
2 years ago
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