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
Arturiano [62]
3 years ago
6

Solve 5y^2+20=80, where y is the real number

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0

Answer:

2√3

Step-by-step explanation:

5y2+20=80

Step 1: Subtract 20 from both sides.

5y^2+20−20=80−20

5y^2=60

Step 2: Divide both sides by 5.

5y^2 /5 = 60/5

y2=12

Step 3: Take square root.

y=√12

y=2√3

You might be interested in
I need help with this as fast as possible thanks bye
makvit [3.9K]

Answer:

153.9

Step-by-step explanation:

You use the formula πr^2 for the area, where r is the radius of the circle which is equal to half the diameter

7 0
3 years ago
X-y=5 and x+y=-10 is this parallel, perpendicular, or neither?
tiny-mole [99]

Answer:

Its perpendicular

Step-by-step explanation:

You can solve the equation to get x=-2.5 and y = -7.5 so they intersect there, but they intersect at 90 degrees so its perpendicular.

3 0
3 years ago
-9 and -7 fahrenheit which is warmer
guapka [62]
-7 degrees fahrenheit is warmer
7 0
3 years ago
Read 2 more answers
What is the volume of the rectangular prism if the length is 3cm the width is 4/3cm and the height is 3/5cm?
VMariaS [17]

Answer:

12/5 or 2.4 cm³

Step-by-step explanation:

3*4/3*3/5=12/5 or 2.4 cm³

8 0
3 years ago
What percent of 126 is 22
Anna11 [10]
In order to solve, set up a proportion: 22/126=x/100. Cross multiply: 2200=126x. Divide by 126 on both sides: 17.46%=x
8 0
3 years ago
Other questions:
  • Write a decimal subtraction problem that requires regrouping to solve. then solve the problem
    10·1 answer
  • PLEASE HELP ASAP ITS TIMED
    11·1 answer
  • Leroi and Sylvia both put $100 in a savings account. Leroi decides he will put in an additional $10 each week. Sylvia decides to
    14·1 answer
  • Write the exact value of the area of a square with a side length of √30 square units? *
    7·1 answer
  • Mr. snorkel drove 169 miles in 3 h 30 min. find the rate in feet per minute
    9·1 answer
  • What information do you need to write a sine or cosine equation?
    13·1 answer
  • What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br> x = ?
    9·1 answer
  • Pls solve this you get 30 points
    10·1 answer
  • I need help with this please
    7·1 answer
  • Help with the slop thanks and no bots
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!