2 years ago

Suppose X ~ N(6.5, 1.5), and a

Mathematics

1 answer:

dangina [55]2 years ago

8 0

Answer:

Step-by-step explanation:

You might be interested in

A system of equations is shown below. y = x 2+ 2x + 8 y = – 4x What is the smallest value of y in the solution set of the system

Leto [7]

Answer:

I think 2+-1x+9y

Step-by-step explanation:

Just add the numbers that have the same variables

5 0

3 years ago

Read 2 more answers

Find the area of the circle below. Use 3.14 for pi

djverab [1.8K]

Answer:

Es igual a 28,26 centímetros2.

Step-by-step explanation:

7 0

2 years ago

When 31 times a number is increased by 40 the answer is the same as two 200 is decreased by the number

storchak [24]

$x-\ number\\\\
31x+40=200-x\ \ \ | add\ x\\\\
32x+40=200\ \ \ | subtract\ 40\\\\
32x=160\ \ \ \ | divide\ by\ 32\\\\x=5\\\\Number\ is\ 5.$

4 0

3 years ago

How many real solutions exist for this system of equations?

Rom4ik [11]

Answer:

One

Step-by-step explanation:

Set each equations equal to each other

${x}^{2} + 4 = 4x$

${x}^{2} - 4x + 4$

Find the discrimant.

${ - 4 {}^{2} - 4(1)(4) } = 0$

This means there is one real solution. Since the discramnt equal 0.

7 0

2 years ago

A survey of 100 students was taken concerning their knowledge of foreign languages. The results were as follows: 30 know French1

Sati [7]

35 students would not know any of the three languages, because if 30 know French, 19 knew German, and 16 knew Russian, that must mean that 65 students know at least one of the three languages. So you subtract 65 from 100 and end up with 35

5 0

3 years ago

Read 2 more answers