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WARRIOR [948]
3 years ago
12

PLEASE HELP AND EXPLAIN [100 POINTS]

Mathematics
2 answers:
prisoha [69]3 years ago
3 0
I believe the answer is graph A.

As x increases (moving to the right), y decreases (moving down).
saveliy_v [14]3 years ago
3 0

Answer:

Step-by-step explanation:

As x increases, y decreases. With r=-0.4, there is a fairly strong correlation between x and y.

The only graph that fits the description above is A.

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Identify the volume of a cone with radius 6 m and height 11 m. HELP PLEASE!!
Lera25 [3.4K]

Answer: 414.48

Step-by-step explanation:

r: the radius of the base

h: height

The volume of a cone is given by:

V = π ∙ r2 ∙ h / 3,

where π ∙ r2 is the base area of the cone.

π defines the ratio of any circle's circumference to its diameter and is approximately equal to 3.141593, however the value 3.14 is often used.

6 0
3 years ago
Which of the following is the inverse of y=6*?
ehidna [41]
I’m not sure this one one of the options (since they’re a little hard to decipher) but I got: y = log base 6 of x
8 0
3 years ago
Suppose that 6.5 million students in a certain country were in 4th grade. This was 8.6% of all students in the country. Find the
UkoKoshka [18]

Answer:

7560 million

Step-by-step explanation:

here is the answer for your question

8 0
3 years ago
Find the solution to the system of equations 2x+3y+z=20 3y+5z=12 y-5z=4
podryga [215]

Answer:

x =4 ,y =4 and z =0 is the solution.

Step-by-step explanation:

We shall solve the equations using elimination  method

In equation 2 and 3 we can see that  coefficient of z in both equations  are same with opposite sides , adding equations (2) and (3)

3y+5z = 12

y -5z = 4     adding the equations

___________

4y      = 16

dividing both sides by 4

  y =\frac{16}{4}

 y = 4

Plugging the value of y in equation 2 or equation 3 ,we get

3(4) +5z = 12

12+5z = 12

  5z = 12-12 or 5z =0 gives z =0

plugging y =4 and z =0 in equation 1

2x+3(4)+ 0 = 20

2x+12 = 20

2x =20-12

2x = 8

x = 8 divided by 2 gives

x =4

therefore solution of the system is given by

x=4 , y =4 and z =0

3 0
3 years ago
Read 2 more answers
A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of st
hodyreva [135]
Set up a proportion.
Let x = the number of students in 29970 who speak 3 or more languages.

285/19 = 29970/x Cross multiply
285 x = 19 * 29970
285x = 569430
x = 569430/285
x = 5415 students speak 3 languages.
4 0
3 years ago
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