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nekit [7.7K]
2 years ago
14

HURRY! A math teacher recorded the color of students eyes and hair. This two-way frequency table shows the results of the survey

.

Mathematics
2 answers:
kaheart [24]2 years ago
8 0

Answer:

C - 0.50 (aka 50%)

Step-by-step explanation:

There are 60 people with brown eyes out of the total 120 people surveyed. 60/120=0.50

You take the number your focusing on and divide it by the total, you'll get the proportion!

lidiya [134]2 years ago
5 0

Answer:

0.75

Step-by-step explanation:

30/40 as a decimal is 0.75

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If discriminant (b^2 -4ac>0) how many real solutions
MaRussiya [10]

Answer:

If Discriminant,b^{2} -4ac >0

Then it has Two Real Solutions.

Step-by-step explanation:

To Find:

If discriminant (b^2 -4ac>0) how many real solutions

Solution:

Consider a Quadratic Equation in General Form as

ax^{2} +bx+c=0

then,

b^{2} -4ac is called as Discriminant.

So,

If Discriminant,b^{2} -4ac >0

Then it has Two Real Solutions.

If Discriminant,b^{2} -4ac < 0

Then it has Two Imaginary Solutions.

If Discriminant,b^{2} -4ac=0

Then it has Two Equal and Real Solutions.

4 0
3 years ago
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yawa3891 [41]

Answer:

D) 2275

Step-by-step explanation:

5 0
3 years ago
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Please explain and tell me how to do it please
dsp73

The answer is b) y = 3x + 3.

To find this, we first need to find the slope. The slope formula is listed below.

m = (y2 - y1)/(x2 - x1)

In this equation, m is the slope, and (x1, y1) is the first point, where (x2, y2) is the second point. We'll use (2, 9) and (3, 12) for the points.

m = (y2 - y1)/(x2 - x1)

m = (12 - 9)/(3 - 2)

m = 3/1

m = 3

Now that we have the slope at 3. we can use slope intercept form and one point to solve for the y-intercept. We'll use (2, 9) as the point.

y = mx + b

9 = 3(2) + b

9 = 6 + b

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When we use the slope and intercept together to get the equation. y = 3x + 3

8 0
3 years ago
A blueprint of a house shows a
prohojiy [21]

Answer:

108

Step-by-step explanation:

3 ft. squared is 9 ft.

9x12=108

3 0
2 years ago
On Monday, 187 students went on a feldtrip to the zoo.All 4 busses were filled and 7 dtudents in a van.How many student were in
RoseWind [281]

Step-by-step explanation:

7 students were in the van so 187 - 7 = 180. 180 ÷ 4 = 45, there were 45 students on each bus. Not sure if this makes total sense, hope it helps

3 0
3 years ago
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