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miv72 [106K]
3 years ago
8

The equations in the system below are equivalent.

Mathematics
2 answers:
Fynjy0 [20]3 years ago
5 0
Equivalent systems = same line = infinite solutions
Feliz [49]3 years ago
5 0

Answer:

this a quiz question here is your Answer D.) or an infinite number of solutions

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How many times does 42 go into 239?
Ainat [17]
239/42=5...29
42 goes into 239 5 times
7 0
3 years ago
What are two fractions equivalent to 16/32
marta [7]
1/2 and 2/4
I just simplified, and then multiplied the numerator and denominator by 2.
3 0
3 years ago
Niki wants to buy a dog bed the cost $87. She earns $6 per week for doing chores. How many weeks will Niki have to do her chores
Viktor [21]

Answer:

The answer to your question is 14.5 weeks

Step-by-step explanation:

Data

Total cost = C = $87

money earned = m = $6

Number of weeks to have the money = w = ?

Process

1.- Write an equation that represents the situation

            Weeks = Total cost / Money earned

             w = C/m

2.- Substitute the values

             w = 87 / 6

3.- Result

             w = 14.5

4.- Conclusion

Niki will last 14.5 weeks to have enough money to buy a dog bed.

7 0
3 years ago
Find the product and sum of the roots of the equation:<br> 2x^2-9x-10=0
BabaBlast [244]

Answer:

<h3>           sum of the roots:    x_1+x_2=4\frac12</h3><h3>           product of the roots:     x_1x_2=-5             </h3><h3> Step-by-step explanation:</h3>

2x^2-9x-10=0\quad\implies\quad a=2\,,\ b=-9\,,\ c=-10

b^2-4ac=(-9)^2-4(2)(-10)=81+80=161>0

From Vieta's formulas applied to quadratic polynomial we have:

if    b^2-4ac\geqslant0   then

sum of roots:    x_1+x_2=-\dfrac ba=-\dfrac{-9}2=4\frac12

product of the roots:     x_1x_2=\dfrac ca=\dfrac{-10}2=-5

3 0
3 years ago
Which number line can be used to find the distance between (-1, 2) and (-5, 2)
wariber [46]

Answer:

y = 2; distance is 4 units

Step-by-step explanation:

Line y = 2

Because the y- coordinate is the same, only horizontal movement from -1 to -5..

Which is 4 units

6 0
3 years ago
Read 2 more answers
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