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
Leokris [45]
4 years ago
6

Combine the following expressions. √16a - √49a + √81a

Mathematics
2 answers:
rusak2 [61]4 years ago
6 0

Step-by-step explanation:

4a - 7a + 9a

6a

I think this should be the answer

Stella [2.4K]4 years ago
6 0

Answer:

The answer is

<h2>6√a</h2>

Step-by-step explanation:

√16a - √49a + √81a

Simplify the surds

That's

(√16)(√a) - (√49)(√a) + (√81)(√a)

Which is

4√a - 7√a + 9√a

= 4√a + 2√a

<h3>= 6√a</h3>

Hope this helps you

You might be interested in
2<br>54% of 125 is what?<br>3. What percent of 200 is 104?<br>4. What percent of 124 is 62?​
Dovator [93]

Hey! How are you? My name is Maria, 19 years old. Yesterday broke up with a guy, looking for casual sex.

Write me here and I will give you my phone number - *pofsex.com*

My nickname - Lovely

7 0
3 years ago
Hellp me What is the value of x? (5 points)
juin [17]
2(30)=60+30=90. thats a right angle which is 90 degrees so the answer is 30
3 0
3 years ago
Read 2 more answers
There are fifteen shirts in your closet ,eight blue and seven green. You randomly select one to wear on Monday and then a differ
hoa [83]

Answer:

4/15

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
An office opens at 9am and closes at 5.30pm with a lunch break of 30minutes. What is the ratio of lunch break to the total perio
Alex777 [14]

Answer:

1:17

Step-by-step explanation:

Find out how long it it between 5.30pm and 9am. This is 8 hours 30 minutes or 510 minutes.

Now, arrange them in the ratio of Lunch Break to Total office time

30:510. This can be simplified to 1:17

Please check if the question is worded correctly, just in case. Because ratio questions are usually based on a part and the remaining parts of the same thing, and not part to whole.

Anyway. The answer given if for the question you have typed.

Hope this helps.

4 0
3 years ago
Read 2 more answers
How to solve a negative number in Pendas
shtirl [24]
What is Pendas in this sentence did you mean PEMDAS


7 0
3 years ago
Other questions:
  • Determine the volume of a right circular cylinder that has a radius of 4 inches and a height of 6 inches.
    5·1 answer
  • I need help with translation and reflection​
    8·1 answer
  • One pound of grapes costs $1.55. Which equation correctly shows a pair of equivalent ratios that can be used to find the cost of
    9·2 answers
  • Peter uses cubes to build a figure in shape of the letter X. What is the fewest unit cubes that Peter can use to build the figur
    9·2 answers
  • Simplify 10+6/2+3<br> 16/5<br> 3<br> 7<br> 11/3
    14·1 answer
  • 50 points...answer and explanation​
    8·2 answers
  • 3.7 + 9f =49.6 what is the valve of f
    6·2 answers
  • Describe how you use<br> the properties of multiplication to find the<br> product.
    13·1 answer
  • Prove that the difference between 9th square number and 5th square number is a multiple of 8?​
    12·1 answer
  • 25 POINTS, QUICKLY PLEASE!
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!