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prisoha [69]
3 years ago
9

Systems of equations with different slopes and different y-intercepts have one solution?​

Mathematics
1 answer:
Artemon [7]3 years ago
6 0

Step-by-step explanation:

The systems of linear equations can have:

1. No solution: When the lines have the same slope but different y-intercept. This means that the lines are parallel and never intersect, therefore, the system of equations has no solution.

2. One solution: When the lines have different slopes and intersect at one point in the plane. The point of intersection will be the solution of the system

3. Infinitely many solutions: When the lines have the same slope and the y-intercepts are equal. This means that the equations represents the same line and there are infinite number of solution.

Therefore, based on the explained above, the conclusion is: Systems of equations with different slopes and different y-intercepts never have more than one solution.

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A manufacturer of college textbooks is interested in estimating the strength of the bindings produced by a particular binding ma
stepladder [879]

Answer: 196

Step-by-step explanation:

As per given , we have

Population standard deviation: \sigma=0.6\ lb

Significance level : \alpha: 1-0.98=0.02

Using the z-value table , the critical z value for 98% confidence : z_{\alpha/2}=2.33

Margin of error : E= 01 lb

Sample size : n=(\dfrac{z_{\alpha/2}\cdot\sigma}{E})^2

n=(\dfrac{(2.33)\cdot(0.6)}{0.1})^2

Simplify , we get

n=195.4404\approx196

Hence, the minimum sample size required for books = 196

8 0
3 years ago
Mr. Peter's has 80 sheets of colored paper seven of his students need it for a project. how many sheets are left over?
mars1129 [50]
73 sheets are left over
8 0
3 years ago
Read 2 more answers
Which is the best estimate for the diagonal of a rectangle with a width of x and a length of 2x, if x is 1.33?
german

The best estimate for the diagonal of the rectangle is 3 ⇒ B

Step-by-step explanation:

In a rectangle:

  • The length and the width are perpendicular
  • The length of its diagonal = \sqrt{(length)^{2}+(width)^{2}} (the diagonal is the hypotenuse of a right triangle whose legs are the length and the width of the rectangle)

∵ The width of a rectangle = x

∵ The length of the rectangle = 2x

∵ The diagonal = \sqrt{(length)^{2}+(width)^{2}}

- Substitute the length by 2x and the width by x

∴ The diagonal = \sqrt{(2x)^{2}+(x)^{2}}

∴ The diagonal = \sqrt{4x^{2}+x^{2}}

∴ The diagonal = \sqrt{5x^{2}}

∵ x = 1.33

- Substitute the value of x by 1.33 to find the diagonal

∴ The diagonal = \sqrt{5(1.33)^{2}}

∴ The diagonal = 2.973

∴ The diagonal ≅ 3

The best estimate for the diagonal of the rectangle is 3

Learn more:

You can learn more about the rectangles in brainly.com/question/13084321

#LearnwithBrainly

6 0
3 years ago
A calculator that didn't follow the rules for order of operations gave the value 36 for the expression 8+n*3. What is the value
shusha [124]
N=9
9 \times 3 = 27 \\ 27 + 8 = 35
n=9.333333333333333
9.333333333333333 \times 3 = 28 \\ 28 + 8 = 36
that is 15 3's by the way.
6 0
4 years ago
Help...........................................................................
trapecia [35]

CEVAP:....................

4 0
3 years ago
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