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
swat32
2 years ago
7

Which expression is equivalent to √-80 O 4√5 O -4√√51 4√√51 O 4√√5

Mathematics
1 answer:
Marat540 [252]2 years ago
7 0

Answer: 4i\sqrt{5}

Step-by-step explanation:

\sqrt{-80}\\\\=\sqrt{-1} \sqrt{80}\\\\=\sqrt{-1} \sqrt{16} \sqrt{5}\\\\=4i\sqrt{5}

You might be interested in
autopilot aviation sells model airplanes for $125. Dale loves to build model airplanes, and knows the store is offering a sell t
snow_tiger [21]

Answer:

Step-by-step explanation:

125x = 97.75

x = 0.782

1 - 0.782 = 0.218

21.8% off the original price

5 0
3 years ago
URGENT! PLEASE help me! Full solutions please, and no nonsense answers.
valentinak56 [21]

Answer:

\frac{1}{3x+52}

Step-by-step explanation:

Given

\frac{\frac{1}{x^2+51x+50} }{\frac{2}{x+50}+\frac{1}{x+1}  }

= \frac{\frac{1}{(x+50)(x+1)} }{\frac{2(x+1)+x+50}{(x+50)(x+1)} }

= \frac{1}{(x+50)(x+1)} × \frac{(x+50)(x+1)}{2x+2+x+50} ← cancel (x + 50)(x + 1) on numerator/denominator

= \frac{1}{3x+52}

8 0
3 years ago
Read 2 more answers
Solve x to the power of 2 = 4 where x is a real number. Please help fast
zimovet [89]

Answer:

It's 2

Step-by-step explanation:

X is 2 because if you multiply two by two you get 4

7 0
3 years ago
Lilli jogs 1/2 mile in 1/10 hour. What is Lilli's rate in miles per hour?
liraira [26]
If her mileage is half a mile in 6min (0.1h)
her pace would be 5mph
3 0
4 years ago
Read 2 more answers
Given that 1 inch = 2.54 cm, how many centimeters are there in 6 feet? Answer may be written using decimal form and should be ro
Rainbow [258]

Answer:182.88cm

Step-by-step explanation:

12in in a foot

12in x 6 ft. = 72in

72in x 2.54cm = 182.88cm

5 0
3 years ago
Other questions:
  • A prism with a base area of 8 cm^2 and a height of 6 cm is dilated by a factor of 5/4.
    9·2 answers
  • If the man has 20 dollars in his bank account and spends 2 dollars a day on coffee. How much money will he have in his account a
    14·1 answer
  • What does a mean in y=ab^x
    10·2 answers
  • James is 60 years old. His age is 8 years more than twice Maggie's age. How old is Maggie?
    9·2 answers
  • Which describes the correlation show in the scatter plot?
    11·2 answers
  • The orchard just sold 72 apples, which is 12% of the total number of apples they put up for sale. How many apples did they put u
    15·1 answer
  • Solve for x.
    5·2 answers
  • Can somebody help me with this one
    10·1 answer
  • Megan bought 2 1/4 pounds of bananas for $0.80 per pound and 1 1/2 pounds of strawberries for $1.10 per pound. How much more did
    7·2 answers
  • Jane is 7 years older than John.If the sum of their ages is 43.How old is Jane and how old is John​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!