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Maurinko [17]
3 years ago
12

I'm running low on points can you please help me :) I will give brainiest promise

Mathematics
2 answers:
Citrus2011 [14]3 years ago
4 0

Answer:

dis look like it from flvs lol um imma try nd help out alright

uhhh um itz a bit hard so imma take a guess imma go with b

Step-by-step explanation:

nd since ur running low on points u can go to my account answer my questions with 2+2+4+5=13 or somethin like dat or take a guess

ioda3 years ago
3 0

Answer: the ordered pair negative 3 over 8, negative 5 over 8

Step-by-step explanation:

You might be interested in
Help me please , ps have a good day :))
serg [7]

Answer:

the second one (Diego)

Step-by-step explanation:

7a-3a

5b+4b

8 0
2 years ago
Read 2 more answers
For a parabola with a minimum point at (3,-1), determine the equation for the function's axis of symmetry
algol [13]

Answer:

x=3

(Do not write a character less than what I have written; 3 is not the answer but x=3 is the answer.)

Step-by-step explanation:

Parabolas have a axis of symmetry; this is the line they are symmetrical about.  

The line of symmetry will always go through the vertex.

Since your question says it is a function the line will be vertical and will be of the form x=a number.

The number is determine by the x-coordinate of the vertex.

I know the vertex of your problem is (3,-1) because it says that is the minimum point of the graph.  The vertex of a parabola will always be it's maximum (this parabola is open down) or minimum (this parabola is open up).

So the axis of symmetry is just:

x=3.

You must actually write x=3.

3 is not the answer.

x=3 is the answer.

Little note down here:

(If it had said the parabola wasn't a function, the axis of symmetry would have been horizontal and therefore of the form y=a number where the number was the y-coordinate of the vertex.)

8 0
3 years ago
Read 2 more answers
The income distribution in a county is a normal distribution with a mean income of $10,000. The top 2.5% of the wage earners ear
earnstyle [38]

Answer:

<em>84%</em><em> of the wage earners earn less than $14,000 each. </em>

Step-by-step explanation:

The Empirical Rule (68-95-99.7%)-

According to this around 95% of the data will fall within two standard deviations of the mean.

As the bell curve is symmetrical, so the remaining 5% will be divided into 2 equal parts. So 2.5% will be above 2 standard deviation and 2.5% will be below 2 standard deviation.

As it is given that, the top 2.5% of the wage earners earn $18,000 or more, so 18,000 is 2 standard deviation away from the mean 10,000.

i.e 2\sigma=18000-10000=8000

\Rightarrow \sigma = 4000

We know that,

Z=\dfrac{X-\mu}{\sigma}

where,

X = raw score = 14,000

μ = 10,000

σ = 4,000

Putting the values,

Z=\dfrac{14000-10000}{4000}=\dfrac{4000}{4000}=1

Now, calculating the value from the z score table,

P(1)=0.8413=84.13\%

As the probability at z=1 is the area below that, so 84% of the wage earners earn less than $14,000 each.

6 0
3 years ago
Two numbers are unknown in the expression ⬜️ * {[(12-3)*3]+(◽️ *6)-8} If the value of the expression is 98 what are the unknown
aksik [14]
Try using 2 and 5.. 2x{[(12-3)x3]+(5x6)-8}=98
5 0
3 years ago
I need to know the difference between a ratio and a u it rate
kirza4 [7]

Answer:

The difference is that a rate is a comparison of two numbers with different units, whereas a ratio compares two numbers with the same unit.

Step-by-step explanation:

5 0
3 years ago
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