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Mariulka [41]
3 years ago
11

the discriminant in an equation derived directly from the quadratic formula is positive the variable value represented by the qu

adratic formula has what possible real value
Mathematics
1 answer:
nordsb [41]3 years ago
3 0
Let d=discriminant.  The the rule is:

d>0, there are two real solutions

d=0, there is one real solution

d<0, there is no real solutions (but there are two imaginary solutions)

So if it is positive, there are two real solutions.
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Given the point (4,5) and the slope 6, find y when x=24
Aleks04 [339]
1) we find out the equation of the line
point-slope form; we need a point (x₀,y₀) and the slope:
y-y₀=m(x-x₀)

In this case:
point: (4,5)
slope: 6

Therefore:
y-5=6(x-4)
y-5=6x-24
y=6x-24+5
y=6x-19  (slope-intercepted form)

2)we find out "y" when x=24
if x=24; then
y=6(24)-19=144-19=125

Answer: y=125
6 0
3 years ago
How to solve 3 and 1/2 + 5 and 1/2
Llana [10]

Answer:

9

Step-by-step explanation:

3½ + 5½ can also be phrased as 3.5 + 5.5

3.5 + 5.5 = 9

8 0
4 years ago
Anyone know the answers to 13, 14, 15, 16
kirill115 [55]
C,g,a,j my teacher graded it with me today hope this helps! :)))
8 0
3 years ago
a mobile phone has an ordinary retail price of $975, if it is discounted by 15% during a sale what would the sale price be?
musickatia [10]

Answer:

$828.75

Step-by-step explanation:

Mobile Phone costs : $975

Discounted Price :-  ( $975 * 15% = 146.25   ,     $975 - 146.25 = 828.75 )

So the phone would cost $828.75 after the discount.

3 0
3 years ago
Since the Great Recession of 2007–2009.
vaieri [72.5K]

Answer: C

The movement of the unemployment rate and inflation rate has been inconsistent with a stable Phillips Curve

Step-by-step explanation:

The Phillips curve is an economic model suggesting a negative relationship between the unemployment rate and inflation. The model, therefore, implies that a fall in unemployment should lead to an increase in inflation. However, there is a doubts among economists about whether the Phillips curve is an appropriate model to forecast inflation. The doubt is based upon the issues which presented itself during, and after, the Great Recession. During the Recession, the U.S faced a rise in the unemployment rate and according to predictions from the Phillips curve, the rise in the unemployment rate should have yielded a greater decrease in inflation. Much greater than the decrease the U.S. experienced. It

seems like the relationship between inflation and unemployment, once regarded reliable, has weakened. Researchers have been trying to understand why inflation has been behaving in this way.

6 0
3 years ago
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