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lyudmila [28]
3 years ago
7

Plss helpppppppppppppp

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0
The mean and therefor the answer is 61
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15 POINTS!
ollegr [7]
How often do they pay? If they only pay once a year, 90000/100=900.  900 * .52 = 468
6 0
3 years ago
Read 2 more answers
Anthony asked a group of students to choose their favorite type of music from the choices of rock, hip-hop, and country. The res
Fudgin [204]

Answer:

240

Step-by-step explanation:

add up the numbers of all the students that were surveyed

get 90

60 of those were rock or hiphop

divide 360 by 90

get 4

multiply 60 by 4

get 240

8 0
3 years ago
The variable z is directly proportional to x. When x is 11, z has the value 44. What is the value of z when x = 21?
dimulka [17.4K]

Directly proportional, both increase/decrease, Multiple k(constant you needed to solve for)..

Inversely --one increases as the other decreases, increase the denominator & fraction gets smaller.... So

Problem:

Dirextly to X (× by X)

Inversely to Y, (÷ by Y)

Z= k X/Y

Solve, working backwards: Z =5 becomes

5 = k (X) ÷ (Y). And

X=15 and Y =9 becomes

5= k(15)/(9). Undo ÷9, ×9 both sides

45= k(15). Now undo ×15 by ÷15 both sides

45/15 = 3. So k=3, (also called your constant of variation)....and your Equation/Proportion becomes...

Z = 3X/Y

Use the new #s.... X=23, Y=14

Z= 3×23÷14 = 69/14. If they want spirochete answer divide and round to corresponding # if decimals

4 0
3 years ago
2x2 − 4x = 0<br> A. <br> 0, -4<br> B. <br> 0, -2<br> C. <br> 0, 2<br> D. <br> 2, 4
leonid [27]

Answer:

C

Step-by-step explanation:

We see that we can factor out 2x from the equation! So our equation becomes 2x(x-2) = 0.

Since the only way for things to multiply to equal to zero is if at least one of the numbers is 0.

So if x-2 is the 0, then x = 2.

If 2x is the 0, then x = 0.

So our answer is C. 0,2

5 0
4 years ago
.The table shows the relationship between the number of hours and pages read by Melissa. What is the constant of proportionality
stepan [7]
Can you show the table
If the line is going down then it’s negative I was going up it’s positive if the line is constant it’s a constant
The more hours that she read the more pages that she’s able to read
8 0
3 years ago
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