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3 years ago

How many solutions are there to this nonlinear system?

Mathematics

1 answer:

Lana71 [14]3 years ago

5 0

Answer: There are three possible types of solutions for a system of nonlinear equations involving a parabola and a line.

Step-by-step explanation: hope this helps

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Given IQ scores are approximately normally distributed with a mean of 100 and a standard deviation of 15 , the proportion of peo

Snezhnost [94]

Given the assumption of a normal distribution with a mean of 100 and a standard deviation of 15, a score of 130 represents a z-score of 2. In different mostly older handbooks of descriptive statistics you can find a ‘from z to percentile-table’. Nowadays it’s more easy to use the computer. Using R, a free and open source statistical environment (www.r-project.org), you can use the command pnorm (130, 100, 15) and it will give 0.9772. Because yo want the proportion above that score you use 1-pnorm (130, 100, 15). Another way of writing in R and with for example 3 IQ-scores:

perc = pnorm (c (70, 100, 130), 100, 15)

(1 - perc)

gives you the above-proportion of the IQ-scores of respectively 70, 100 and 130.

5 0

3 years ago

Two quadrilaterals are similar. The length of the row longest sides of the first quadrilateral are 40in and 60in. The lengths of

Andreyy89

Answer:

The sides of the first quadrilateral are 60 in, 40 in, 30 in and 12,5 in

The sides of the second quadrilateral are 24 in, 16 in, 12 in and 5 in

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional, and this ratio is called the scale factor

Arrange the sides of each quadrilateral from largest to smallest

First quadrilateral Second quadrilateral

Longest side=60 in Longest side=c in

Second side=40 in Second side=16 in

Third side= a in Third side= 12 in

Fourth side=b in Fourth side=5 in

$\frac{60}{c}=\frac{40}{16}=\frac{a}{12}=\frac{b}{5}$

Find the value of c

$\frac{60}{c}=\frac{40}{16}$

$c=60(16)/40$

$c=24\ in$

Find the value of a

$\frac{40}{16}=\frac{a}{12}$

$a=40(12)/16$

$a=30\ in$

Find the value of b

$\frac{40}{16}=\frac{b}{5}$

$b=40(5)/16$

$b=12.5\ in$

7 0

3 years ago

Bowlero Lanes charges $4.50

AlekseyPX

Answer:

4.50x + 2.25=20.25

this should be it

6 0

3 years ago

Read 2 more answers

1200 people pass by the road in one day. How many people passed by the road in an hour?

Zinaida [17]

Hello!

First you have to find out how many hours are in a day

There are 24 hours in a day

Since 1200 people pass a day to find the hourly rate you do

1200 / 24

This gives us the answer of 50

Hope this helps!

5 0

4 years ago

Read 2 more answers

Evaluate f(x) = 12 for the function f(x) = 5(x - 3) + 17

lara [203]

Answer:

Step-by-step explanation:

12-3=9

5x9=45

45+17=62

6 0

4 years ago

Read 2 more answers