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svet-max [94.6K]
3 years ago
10

When is the best time to use square roots to solve a quadratic? Choose the one BEST

Mathematics
1 answer:
blondinia [14]3 years ago
8 0

Answer: D, When the constants are perfect squares.

Step-by-step explanation:

the “best” method whenever the quadratic equation only contains x2 terms. That implies no presence of any x term being raised to the first power somewhere in the equation.

Hopefully this helps!

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In how many ways can 6 students be chosen from 9 students if the order in which the
harkovskaia [24]

Answer:

60480

Step-by-step explanation:

This question has to do with permutations. A permutation is used to find the number of possible outcomes, assuming order matters. In this case, n=9 and r=6. This is written as _{9}P_{6} which equals \frac{9!}{(9-6)!}. Then, plug this into a calculator to get 60480.

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3 years ago
A salesperson earns a commission of $459 for selling $2700 in merchandise find the commission rate. Write the answer as a percen
kogti [31]
459/2700=17/100 which translates to 17%.

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3 years ago
Factor the expression by finding the GCF.
Deffense [45]

Answer:

4m(4m-3)

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3 years ago
Help asap please does the graph represent a function
Anni [7]
Yes it represents a function.
4 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form for the line that satisfies the following condition.passes through (20, 1), parallel t
Dmitrij [34]

Slope-intercept form:  y = mx + b  

(m is the slope, b is the y-intercept or the y value when x = 0 --> (0, y) or the point where the line crosses through the y-axis)

For lines to be parallel, they have to have the same slope.

y = 6x + 6    The slope of this line is 6, so the parallel line's slope is also 6.

Now that you know m = 6, substitute/plug it into the equation:

y = mx + b         Plug in 6 for "m" in the equation  

y = 6x + b     To find "b", plug in the point (20, 1) into the equation

1 = 6(20) + b

1 = 120 + b       Subtract 120 on both sides to get "b" by itself

1 - 120 = 120 - 120 + b

-119 = b         Now that you know b = -119, plug it into the equation

y = 6x - 119

5 0
4 years ago
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