How does the discriminant determine the number of real solutions a quadratic equation have?

1 answer:

const2013 [10]4 years ago

5 0

The discriminant determines the number of real solutions. If the discriminant is positive, there will be two solutions. If it's negative, there are no solutions. If it's 0, there is one solution

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Use the tax table to help answer the following question.

iragen [17]

9514 1404 393

Answer:

d. $16.34

Step-by-step explanation:

Luce's income of 763 is between 760 and 780, so the third row of the table applies. Her allowances are 0, so the first column applies, indicating her federal tax withholding is $86.

Her state tax withholding is 19% of that amount, so is ...

19% × $86 = $16.34 . . . . matches choice D

7 0

3 years ago

Is 0.8 equivalent to a. 8/12, b. 5/8, c. 2/3, d. 7/50, e. 4/5, f. 5/3, g. 19/25, h. 1/3, i. 2/9, j. 1/33, k. 4/9

olchik [2.2K]

Answer:

g. 19/25

Step-by-step explanation:

19/25 = .76, or approximately .8 -- none of the other options come as close as option g.

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3 years ago

PLEASE HELP, WILL GIVE BRAINLIEST FOR RIGHT ANSWER!

Ket [755]

Find gradient by changing form of equation: y = 2/3x + 4. Gradient is 2/3.

Find y intercept of other line by substituting the coordinates: -8/3

Use information to write out equation of line: y= 2/3x - 8/3

Convert to standard form: -2x + 3y = 8.

Hope this helps :)

5 0

3 years ago

Read 2 more answers

Someone please help with trig question ASAP!!!! You dont need to do both! Will mark brainliest if right

Zanzabum

Answer:

8 x = 60.10251159

9 x = 3.66062978

Step-by-step explanation:

Hey There!

So to answer these questions we need to use the Law of sines

Consider the following image