1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sphinxa [80]
3 years ago
12

The variable x varies directly as y and x varies inversely as z. What is the value is y when x=20 and z=-2, if y=30 when z=3 and

x=5?
Mathematics
1 answer:
miv72 [106K]3 years ago
7 0

Answer:

Y=-80

Step-by-step explanation:

X=Ky/z

5=30k/3

30k=15

K=1/2

20=Ky/(-2)

Ky =-40

1/2y=-40

Y=-80

You might be interested in
What is the common ratio of the geometric
Reptile [31]

the answer is B. 7

Step-by-step explanation:

it's the number u see the most therefore its the most common

3 0
3 years ago
Read 2 more answers
The value of a gold coin picturing the head of the Roman Emperor Marcus Aurelius is increasing at the rate of 11% per year. If t
Mrac [35]
To add 11% to an amount means to multiply the amount by 1.11.

You can start with $115 and multiply it by 1.11 eleven times.

A quicker way is to find 1.11^11 and then multiply by $115.

$115 * 1.11^11 = $115 * = 3.151757 = $362.45
6 0
3 years ago
In a math test, 3/10 of the children scored an average score. what percentage scored above average?
Alenkasestr [34]
3/10 so out of the 10 7 people score above average because 10-3=7 and 7+3= 10 7 and 3 make a whole please give me points and mark as brainless
5 0
3 years ago
CAN SOMEONE PLEASE HELP ME!!!????
ryzh [129]

Answer:

extra 15% corn.

.15 ⋅ 1700 = 255

You would have to add 255 pounds of corn

Not sure if its right--

4 0
3 years ago
- x+5y = 19<br> X+ 2 y = 16<br> Solving systems using elimination
Vesna [10]
Hope this helps with the answer ;)

7 0
3 years ago
Read 2 more answers
Other questions:
  • If sin Z = 3, express the complex number Z in
    13·1 answer
  • 2(n2 + 1) − 3(n2 − 3) + 3(7n2 − 2), n = 1 4
    11·1 answer
  • Eastern Meats pays its delivery workers regular time for up to 36 hours per week and
    8·1 answer
  • A package of 50 blank CDs costs $25 however the store has run out of 50-packages. the manager agrees to sell your packages of 12
    8·1 answer
  • A plane is flying at 31,348 feet. It needs to rise to 36,000 feet in two stages. In stage 1, it rises 5% of its initial altitude
    12·1 answer
  • How long is a string reaching from the top of a 12-ft pole to a point on the ground that is 11 ft from the base of the pole? I n
    12·1 answer
  • Hey lads could you please check out my channel on you.tube please leave a like and subscribe it would help a lot much love stay
    9·1 answer
  • PLEASE HELPPPP!!!!!!!!
    12·2 answers
  • Question on this math question. Can you help?
    12·2 answers
  • Using the remainder theorem which quotient has a remainder of 20?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!